CN115885788A - Strip tillage soil preparation and fertilizing and seeding method based on corn straw total smashing and returning - Google Patents
Strip tillage soil preparation and fertilizing and seeding method based on corn straw total smashing and returning Download PDFInfo
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- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 73
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Abstract
The invention relates to a strip tillage soil preparation and fertilizing and seeding method based on corn straw total smashing and returning, belongs to the technical field of corn seeding, and specifically comprises the following steps of operating, smashing corn straw harvested in autumn into smashed straw below 5-10 cm through a smashing machine, and then uniformly covering the surface of cultivated land; and then strip land preparation operation is carried out on the covered ground through a series connection type strip double-shaft rotary tillage, pressing and raking integrated land leveler, when the local temperature is stabilized to be more than 8-10 ℃, a small horse tractor is used to ride on a no-tillage strip, front wheels and rear wheels walk on left and right rotary tillage, pressing and raking strips, a four-row fertilization and seeding integrated machine is pulled to carry out fertilization and seeding, and then field management operations such as weed control, insect pest control, chemical control, topdressing, intertillage and the like are carried out.
Description
Technical Field
The invention relates to a strip tillage land preparation and fertilizing and seeding method based on corn straw total smashing and returning, and belongs to the technical field of corn seeding.
Background
The spring corn is a dominant crop in a spring sowing continuous cropping area in a semiarid area, the spring corn is high in yield and large in corn straw amount, the mechanical straw separation cost is high, the farmland is seriously compacted, organic matters and nutrient substances are difficult to return to soil due to the straw separation, and the improvement of the organic matters and the farmland quality of the farmland is seriously influenced; the conventional corn straw is smashed, rotary tillage is carried out and then returned, the mixing uniformity of the corn straw and soil is poor, the suspended compactness of the soil after rotary tillage is poor, the soil moisture is easy to lose due to wind leakage and air leakage, the soil moisture content before sowing is poor, the quality of timely sowing, sowing and seedling emergence is influenced, and even normal sowing is difficult under the drought condition; after the corn is harvested in autumn, the straws are crushed to cover the cultivated land, if the cultivation and the pressing are not carried out, the straws are easily blown away by strong wind in autumn, winter and spring or are piled up, the mechanical operation of the next link is influenced, and the environment-friendly problem of straw burning still exists when the straws live through the winter on the spot.
The currently introduced non-tillage technology and large-scale heavy professional mechanical equipment for corn, which are being popularized abroad and other regions in China, cannot well adapt to the climate conditions, the field conditions and the cultivation habits and requirements of corn cultivation in semiarid regions, the acquisition cost of new machinery is high, the adaptability is poor, the operation quality is unstable, the matching degree of agricultural machinery and agriculture is low, the acceptance of the masses is low, the serious idle and waste of the existing resources of small and medium-sized agricultural machinery and general agricultural machinery are caused, the enthusiasm of a new technology and new equipment for a manipulator to use is influenced, the difficulty in popularizing the whole amount of corn straws in the semiarid region is high, the cost of leaving the field of the straws is high, the acceptance of the manipulator of the non-tillage technology and the non-tillage equipment is low, the acceptance of farmers is low, the management difficulty of prohibiting burning of the corn straws in the winter coverage and the leaving the field of the straws is high, the problem of serious soil returning and nutrient loss and the improvement of the cultivated land quality is influenced, and sufficient attention is not paid yet.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a strip tillage land preparation and fertilizing and seeding method based on total corn straw smashing and returning, which is suitable for spring corn production in semiarid regions.
In order to achieve the purpose, the technical scheme adopted by the invention is a strip tillage land preparation and fertilizing and seeding method based on corn straw total smashing and returning, the operation is carried out according to the following steps,
a. straw treatment
The method comprises the following steps of (1) crushing the corn straws harvested in autumn into crushed straws less than 5-10 cm by a crusher, and then uniformly covering the surface of the cultivated land; strip land leveling operation is carried out on the covered ground through the series-connection strip double-shaft rotary tillage, pressing and raking integrated land leveling machine, so that mutually spaced rotary tillage, pressing and raking strips with the width of 50-65 cm and no-tillage strips with the width of 50-65 cm covered by the crushed corn straws in situ are formed on the ground, and meanwhile, part of soil is sputtered and covered on the crushed straws of the no-tillage strips in the land leveling process of the series-connection strip double-shaft rotary tillage, pressing and raking integrated land leveling machine;
b. spring fertilizing and seeding
In spring, when the local temperature is stable to be more than 8-10 ℃, a small horse-power tractor is used to ride on the no-tillage strips, the front wheel and the rear wheel walk on the left and right rotary tillage, pressing and raking strips, the four-row combined fertilizing and seeding machine is pulled to fertilize and seed, fertilizer is applied to the middle position of the left and right rotary tillage, pressing and raking strips in a deep fertilizing mode, two rows of corns are sown on the left and right rotary tillage, pressing and raking strips after fertilization, so that corn sowing strips are formed, and the sowing strips are alternated with the no-tillage strips covered by the straws;
c. management of field
The field management comprises weed control, pest control, chemical control and regulation, topdressing and intertillage; after sowing, the pre-seedling herbicide is sprayed in time and the post-seedling herbicide is sprayed in time to prevent and control weeds, seedling strip intertillage or deep scarification intertillage fertilization is carried out in time before rain before jointing, furrowing is carried out on ridges, the seedling strips are fertilized and earthed, the capacity of storing water, preserving soil moisture, resisting drought and lodging in rainy seasons is enhanced, and the aerial root absorption capacity of the corn is cultivated.
d. Land management in the same year and the second year
After the autumn corn in the season is ripe and harvested, smashing the whole straws according to the step a and utilizing a series type strip double-shaft rotary tillage, pressing and raking integrated land leveling machine to conduct land leveling, and in the spring of the second year, installing the step b to conduct fertilizing and seeding.
Preferably, in the step b, the corn sowing belt is located in the rotary tillage strip, and the distance between the position and the edge of the rotary tillage, pressing and raking strip is 3-5 cm, and the sowing depth is 3-5 cm.
Preferably, in the step b, before the maize is subjected to jointing, topdressing intertillage or deep scarification intertillage ridging is carried out in time, fertilizers are topdressed near the root system of the maize, furrowing intertillage or deep scarification intertillage furrows are carried out on the ridges between maize rows, meanwhile, ridging is carried out on the root of the maize, and the absorbing capacity of the aerial root of the maize is cultivated.
Preferably, tandem type strip biax rotary tillage suppression harrow integration tillage machinery in step a includes first rotary cultivator, second rotary cultivator, first link is all installed to the front portion of first rotary cultivator and second rotary cultivator, establish ties around first rotary cultivator, the second rotary cultivator and arrange, just the articulated connection of first link of second rotary cultivator is in the frame of first rotary cultivator, still be connected through supplementary coupling mechanism between first rotary cultivator, the second rotary cultivator, the top power input shaft of first rotary cultivator gearbox is connected with the transfer case of tractor, the top power output shaft of first rotary cultivator gearbox is connected with the top power input shaft of second rotary cultivator through the universal joint, the rotary tillage arbor is installed respectively to the gearbox bottom both sides output shaft of first rotary cultivator and second rotary cultivator, evenly install a plurality of rotary tillage sword on the rotary tillage arbor, still be connected with additional rack system in the frame of second rotary cultivator, the rear portion of additional rack system still articulates and is connected with the follow-up frame, the holding cylinder is installed to the bottom of follow-up frame, the rear portion of follow-up frame still is connected with the hacking through flexible coupling mechanism.
Preferably, the width of the ballasting roller is 160-200 cm, the leveling structure is a single leveling structure, and the width of the leveling is 160-200 cm.
Preferably, supplementary coupling mechanism is including installing the triangle stores pylon on first rotary cultivator and second rotary cultivator, the triangle stores pylon on first rotary cultivator is used for connecting the frame of tractor, install the connection pull rod between the triangle stores pylon on first rotary cultivator and the second rotary cultivator.
Preferably, the flexible connecting mechanism is a connecting steel wire rope.
Preferably, the additional rack system comprises a movable rack hinged to the second rotary cultivator, vertical support rods are respectively installed at two ends of the movable rack, a hydraulic oil cylinder is installed between each vertical support rod and the second rotary cultivator, and a support inclined rod is installed between each vertical support rod and the movable rack.
Compared with the prior art, the invention has the following technical effects: the invention adopts the integrated land preparation of front and back tandem strip double-shaft rotary tillage, pressing and raking, and then adopts the conventional integrated fertilizing and seeding machine to fertilize and seed, the in-situ stable covering of the broken corn stalks with shallow soil covering on the no-tillage strip, the water retention and height are kept to form a high water potential area, the adjacent rotary tillage strip area has the lateral seepage of the high water potential of the no-tillage strip, the soil water content is obviously higher than that of the conventional rotary tillage contrast soil, and the water content is higher than that of the contrast soil for the integrated land preparation of rotary tillage, pressing and raking, thus being very beneficial to the timely high-quality sowing and high-quality seedling keeping of the dry corn spring, and simultaneously being beneficial to the faster decomposition and decay of the broken corn stalks in the soil into organic matters, further improving the soil quality and improving the land fertility. The method is suitable for the corn spring sowing continuous cropping area in the semiarid area with the annual rainfall of 400-560mm in China.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a sectional view showing the sowing operation in the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A strip tillage land preparation and fertilizing and seeding method based on corn straw total smashing and returning is widely applicable to corn spring seeding areas in semiarid regions and is operated according to the following steps,
a. straw treatment
The method comprises the following steps of (1) crushing the corn straws harvested in autumn into crushed straws less than 5-10 cm by a crusher, and then uniformly covering the surface of the cultivated land; strip land leveling operation is carried out on the covered ground through the series-connection strip double-shaft rotary tillage, pressing and raking integrated land leveling machine, so that mutually spaced rotary tillage, pressing and raking strips with the width of 50-65 cm and no-tillage strips with the width of 50-65 cm covered by the crushed corn straws in situ are formed on the ground, and meanwhile, part of soil is sputtered and covered on the crushed straws of the no-tillage strips in the land leveling process of the series-connection strip double-shaft rotary tillage, pressing and raking integrated land leveling machine;
b. spring fertilizing and seeding
In spring, when the local temperature is stable to be more than 8-10 ℃, a small horse power tractor is used to ride on the no-tillage strips, front and rear wheels walk on the left and right rotary tillage, pressing and raking strips, a four-row combined fertilizing and seeding machine is pulled to fertilize and seed, fertilizers are applied to the middle positions of the left and right rotary tillage, pressing and raking strips in a deep fertilizing mode, two rows of corns are then sown on the left and right rotary tillage, pressing and raking strips after fertilization respectively to form corn seeding strips, and the seeding strips are alternated with the no-tillage strips covered by straws; the corn sowing belt is arranged in the rotary tillage strip, the distance between the position of the corn sowing belt and the edge of the rotary tillage, pressing and harrowing strip is about 3-5 cm, and the sowing depth is 3-5 cm; meanwhile, before the maize is in the jointing stage, the topdressing intertillage or the deep scarification intertillage ridge cultivation is carried out in time, the fertilizer is topdressed near the root system of the maize, the furrowing intertillage or the deep scarification intertillage furrow cultivation is carried out on the ridges between the maize rows, meanwhile, the ridging and the ridging are carried out on the root of the maize, and the absorbing capacity of the aerial root of the maize is cultivated.
c. Management of field
The field management comprises weed control, pest control, chemical control and regulation, topdressing and intertillage; after sowing, the pre-seedling herbicide is sprayed in time and the post-seedling herbicide is sprayed in time to prevent and control weeds, seedling strip intertillage or deep scarification intertillage fertilization is carried out in time before rain before jointing, furrowing is carried out on ridges, the seedling strips are fertilized and earthed, the capacity of storing water, preserving soil moisture, resisting drought and lodging in rainy seasons is enhanced, and the aerial root absorption capacity of the corn is cultivated.
d. Land management in the same year and the second year
After the autumn corn is ripe and harvested in the season, the straws are completely crushed according to the step a, a tandem type strip double-shaft rotary tillage, pressing and raking integrated land cultivator is used for cultivating and soil preparation, and in the spring of the second year, the step b is installed for fertilizing and seeding.
Wherein, the integrated land leveler of tandem type strip biax rotary tillage suppression harrow is used for carrying out the rotary tillage to soil, it is level and smooth, the suppression, the disposable continuous operation of harrow leveler is handled, as shown in figure 1, figure 2, the integrated land leveler of tandem type strip biax rotary tillage suppression harrow includes first rotary cultivator 1, second rotary cultivator 2, first link 3 is all installed to the front portion of first rotary cultivator 1 and second rotary cultivator 2, first rotary cultivator 1, second rotary cultivator 2 tandem arrangement around, and the articulated connection of first link of second rotary cultivator 2 is in the frame of first rotary cultivator 1, still be connected through auxiliary connection mechanism between the second rotary cultivator 2, the top power input shaft of first rotary cultivator 1 gearbox is connected with the transfer case of tractor, the top power output shaft of first rotary cultivator 1 gearbox passes through universal joint 4 and is connected with the top power input shaft of second rotary cultivator 2, the bottom both sides output shaft of first rotary cultivator 1 and second rotary cultivator 2 installs respectively arbor 5, evenly install a plurality of arbor 6 on the arbor 5, the frame of second rotary cultivator 2 still be connected with the additional rotary cultivator 2 and follow-up the additional frame of rotary cultivator system and still be connected with the additional rotary cultivator 8 through the additional rotary cultivator 8 articulated connection of the frame of the additional rotary cultivator 8 rear portion of follow-up the rotary cultivator 8, the additional rotary cultivator system is connected with the frame of the additional rotary cultivator 8.
The auxiliary connecting mechanism comprises a triangular hanging frame 12 arranged on the first rotary cultivator 1 and the second rotary cultivator 2, the triangular hanging frame on the first rotary cultivator 1 is used for being connected with a rack of a tractor, and a connecting pull rod 13 is arranged between the triangular hanging frames on the first rotary cultivator 1 and the second rotary cultivator 2. The auxiliary attachment mechanism is used to reinforce the connection of the first and second rotary cultivators 1, 2 and to connect a tractor. The additional frame system 7 comprises a movable frame 14 which is hinged to the second rotary cultivator, vertical support rods 15 are respectively arranged at two ends of the movable frame 14, a hydraulic oil cylinder 16 is arranged between the vertical support rods 15 and the second rotary cultivator 2, and a support inclined rod 17 is arranged between the vertical support rods 15 and the movable frame.
A tandem strip double-shaft rotary tillage, pressing and raking integrated tillage and soil preparation machine adopts one-time continuous combined operation of continuous rotary tillage, pressing and raking for two times, and continuous strip rotary tillage and soil preparation are carried out through two rows of rotary blades in front and back. The follow-up roller on the multifunctional combinable additional rack system of the rotary cultivator is arranged at the rear part of a scraper plate of the rotary cultivator to carry out instant compaction on the soil after rotary tillage and leveling, the width of the roller 5 is 160-200 cm, the land leveler 6 is of a simple land leveler structure, the width of the land leveler is 160-200 cm, the land leveler is connected at the rear end of the follow-up arm of the additional rack system of the rotary cultivator through a flexible connecting mechanism and is positioned at the rear part of the roller, the phenomenon of chapping generated by the land leveler on the compacted soil is polished to realize further soil moisture conservation, and the flexible connecting mechanism 11 adopts a connecting steel wire rope. The rotary tillage cutter shaft is connected with a transfer case of the tractor through a gearbox.
According to the invention, after autumn harvest, corn straws are ground in a timely and full crushing mode, wherein half of the straws cover the ground surface in situ, and the other half of the straws are fully mixed with soil after being subjected to strip-type double-shaft rotary tillage pressing and raking, so that a covering and rotary mixing combined field returning mode for forming the full crushing and field returning of the corn straws is formed, the burning problem caused by overwintering of the corn straws is eliminated, the straw field leaving cost and the loss of organic matters and nutrients are reduced, the benefits of covering, soil moisture preservation and water storage of the corn straws are maintained, the requirement of high-quality sowing on the land preparation quality of the conventional fertilizing and sowing machinery can be met, the advantage that the high-quality sowing and high-quality seedling emergence can be realized by using the conventional fertilizing and sowing machinery after the tandem-type strip-type double-shaft rotary tillage pressing and raking integrated tillage machine is formed, the organic matter content of the corn straw field returning to the field and the soil level are favorably gradually improved, the yield is improved, and the cost is reduced. Meanwhile, the high-quality crushing of the corn straws is realized by means of the gradually enhanced function of crushing and returning the corn straws to the field of the corn combine harvester and the high efficiency of the corn straw crusher; the tandem type strip double-shaft rotary tillage, pressing and raking integrated machine manufactured by means of the mature technology and scale advantage of a conventional rotary cultivator is simple in structure and low in manufacturing cost, main parts are general in maintenance cost, the tandem type strip double-shaft rotary cultivator can crush the crushed corn straws again through two operations before and after the tandem type strip double-shaft rotary cultivator, the returning quality of the crushed corn straws mixed with soil is good, the overall operation efficiency is high, the actual operation area for completing the double-shaft strip operation once per mu is basically not increased compared with the operation area of a single machine in the full-rotation farming industry, the operation cost and the cost are basically not increased, the labor cost for farmers to treat the straws is avoided, the farmers can accept the machine easily, and the manipulators can also accept the machine easily; the compaction, the flatness and the soil moisture preservation effect of the soil after cultivation are further improved by utilizing the functions of pressing and raking of the existing multifunctional additional rack system of the rotary cultivator, the soil moisture preservation and water storage of the rotary cultivation strips across the year and the no-tillage strips covered by the straws are facilitated, and the wind erosion is reduced and prevented; the existing large quantity of held small and medium-sized four-wheel tractors are used for hitching and pulling operation, the accessibility of power equipment is good, the operation requirements of fertilizing and seeding of a left rotary tillage seeding belt and a right rotary seeding belt can be met by fine adjustment of the existing four-row fertilizing and seeding machinery, an expensive special heavy no-tillage seeder type does not need to be additionally purchased, the operation requirements are not greatly different from the conventional operation, the operation requirements are easily accepted and mastered by a mechanical hand, the conventional fertilizing and seeding are carried out after strip rotary tillage, the seeding quality of corn is high, the seedling emergence uniformity is good, and the corn is easy to be recognized by farmers; the method for preventing the weeds by using the herbicide for the corns is widely used, the herbicide is used for preventing and controlling the weeds, the method is not different from the conventional management, and the method is easy to obtain the approval of farmers. The whole straw returning before overwintering of the corn straws is realized by the crushed straws in the same land through two different forms of no-tillage strip in-situ coverage returning and high-quality rotary mixing returning, the difficult problem of straw leaving the field and the nutrient loss are solved, a fireproof isolation strip is also formed naturally after strip cultivation, the crushed straws covered by a small amount of soil play a good role in preserving soil moisture and storing water for the no-tillage strips covered in situ, the straws after twice rotary mixing can be returned to the field in high quality without influencing seeding and yield, the straws are not needed to burn in the tillage field naturally, the possibility of spreading after burning the corn straws in winter and spring is eliminated, and the working pressure of fire prevention and environmental protection of the base government is eliminated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. Strip tillage land preparation and fertilizing and seeding method based on corn straw total smashing and returning, and is characterized in that: the operation is carried out according to the following steps,
a. straw treatment
Crushing all corn straws harvested in autumn into crushed straws less than 5-10 cm by using a crusher, and then uniformly covering the surface of cultivated land; strip land leveling operation is carried out on the ground covered by the broken corn straws through the series strip double-shaft rotary tillage, pressing and raking integrated land leveling machine, the ground is enabled to form mutually spaced rotary tillage, pressing and raking strips with the width of 50-65 cm and no-tillage strips covered by the broken corn straws with the width of 50-65 cm in situ, and meanwhile, part of soil is sputtered and covered on the broken straws of the no-tillage strips in the land leveling process of the series strip double-shaft rotary tillage, pressing and raking integrated land leveling machine;
b. spring fertilizing and seeding
In spring, when the local temperature is stable to be more than 8-10 ℃, a small horse-power tractor is used to ride on the no-tillage strips, the front wheel and the rear wheel walk on the left and right rotary tillage, pressing and raking strips, the four-row combined fertilizing and seeding machine is pulled to fertilize and seed, fertilizer is applied to the middle position of the left and right rotary tillage, pressing and raking strips in a deep fertilizing mode, two rows of corns are sown on the left and right rotary tillage, pressing and raking strips after fertilization, so that corn sowing strips are formed, and the sowing strips are alternated with the no-tillage strips covered by the straws;
c. management of field
The field management comprises weed control, pest control, chemical control and regulation, topdressing and intertillage; after sowing, spraying a pre-seedling herbicide in a proper time and spraying a post-seedling herbicide in a proper time to prevent and control weeds, carrying out intertillage or deep-scarification intertillage fertilization in a proper time before raining before jointing, ditching ridges, fertilizing and earthing a seedling zone, enhancing the capacity of storing water, preserving soil moisture, resisting drought and lodging in rainy seasons, and cultivating the aerial root absorption capacity of corn;
d. land management in the same year and the second year
After autumn corn is ripe and harvested in this season, smashing the straws in full and utilizing a series connection type strip double-shaft rotary tillage, pressing, raking and integrated tillage and soil preparation machine to carry out soil preparation according to the step a, and in the next spring, installing the step b to carry out fertilizing and seeding.
2. The strip land preparation and fertilizing and seeding method based on corn stalk total smashing and returning to field as claimed in claim 1, characterized in that: in the step b, the corn sowing belt is located in the rotary tillage strip, and the distance between the position and the edge of the rotary tillage, pressing and raking strip is 3-5 cm, and the sowing depth is 3-5 cm.
3. The strip tillage and land preparation and fertilizing and seeding method based on corn straw total smashing and returning to the field as claimed in claim 1, characterized in that: in the step b, before the maize is subjected to jointing, topdressing intertillage or deep scarification intertillage ridging is carried out in time, fertilizers are topdressed near the root system of the maize, furrowing intertillage or deep scarification intertillage furrowing is carried out on the ridges among maize rows, meanwhile, ridging is carried out on the root of the maize, and the absorbing capacity of aerial roots of the maize is cultivated.
4. The strip tillage and land preparation and fertilizing and seeding method based on corn straw total smashing and returning to the field as claimed in claim 1, characterized in that: the tandem type strip double-shaft rotary tillage, pressing and raking integrated land leveling machine in the step a comprises a first rotary cultivator and a second rotary cultivator, a first connecting frame is installed on the front portion of the first rotary cultivator and the front portion of the second rotary cultivator, the first rotary cultivator and the second rotary cultivator are connected in series, the first connecting frame of the second rotary cultivator is hinged to the frame of the first rotary cultivator, the first rotary cultivator and the second rotary cultivator are connected through an auxiliary connecting mechanism, the top power input shaft of the first rotary cultivator gearbox is connected with a transfer case of a tractor, the top power output shaft of the first rotary cultivator gearbox is connected with the top power input shaft of the second rotary cultivator through a universal joint, rotary blade shafts are installed on two side output shafts of the bottom of the gear cases of the first rotary cultivator and the second rotary cultivator respectively, a plurality of rotary blades are evenly installed on the rotary blade shafts, an additional frame system is further connected to the frame of the second rotary cultivator, a follow-up frame system is further hinged to the rear portion of the additional frame system, a pressing roller is installed at the bottom of the follow-up frame, and a rear portion of the follow-up frame is further connected with a flexible connecting mechanism.
5. The strip tillage and land preparation and fertilizing and seeding method based on corn straw total smashing and returning to the field as claimed in claim 4, characterized in that: the width of the pressing roller is 160-200 cm, the leveling is a single leveling structure, and the width of the leveling is 160-200 cm.
6. The strip tillage and land preparation and fertilizing and seeding method based on corn straw total smashing and returning to the field as claimed in claim 4, characterized in that: the auxiliary connecting mechanism comprises a triangular hanging frame arranged on the first rotary cultivator and the second rotary cultivator, the triangular hanging frame on the first rotary cultivator is used for connecting a frame of the tractor, and a connecting pull rod is arranged between the triangular hanging frame on the first rotary cultivator and the second rotary cultivator.
7. The strip tillage and land preparation and fertilizing and seeding method based on corn straw total smashing and returning to the field as claimed in claim 4, characterized in that: the flexible connecting mechanism is a connecting steel wire rope.
8. The strip tillage and fertigation method based on corn straw total shattering and returning to the field as claimed in claim 4, wherein: the additional rack system comprises a movable rack hinged to the second rotary cultivator, vertical support rods are mounted at two ends of the movable rack respectively, a hydraulic oil cylinder is mounted between each vertical support rod and the second rotary cultivator, and a support inclined rod is mounted between each vertical support rod and the movable rack.
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| CN202211712967.3A CN115885788A (en) | 2022-12-30 | 2022-12-30 | Strip tillage soil preparation and fertilizing and seeding method based on corn straw total smashing and returning |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211712967.3A CN115885788A (en) | 2022-12-30 | 2022-12-30 | Strip tillage soil preparation and fertilizing and seeding method based on corn straw total smashing and returning |
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| CN117243067A (en) * | 2023-08-02 | 2023-12-19 | 山东农业大学 | A method to promote regional advantages of wheat |
| CN118160588A (en) * | 2024-03-22 | 2024-06-11 | 内蒙古农业大学 | A method for cultivating corn in cold and arid areas |
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