CN103314764B - Furrow, film, ridge and straw combined type mulching cultivation method for crops - Google Patents
Furrow, film, ridge and straw combined type mulching cultivation method for crops Download PDFInfo
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Abstract
The invention belongs to field of agricultural cultivation techniques, and relates to a cultivation method for crops, in particular to a furrow, film, ridge and straw combined type mulching cultivation method for the crops. The method includes the steps of farmland selection, soil preparation, ditching, ridging, basal dressing, intercropping of plants among ridge surfaces according to specification layout, ridge surface straw mulching and furrow body film mulching after crop seeding, top dressing in the seedling stage and the fast-growing stage of the plants, and recovery of mulching film after harvest. The method overcomes shortcomings of straw mulching and film mulching, achieves sustainable production of the crops, reduces waste of agricultural resources and environmental pollution, improves rainfall infiltration, restrains soil evaporation, improves hydrothermal conditions of soil, improves the nutrient status of the plants due to nutrients provided by straw, protects cultivated land, prevents loss of water and fertilizer on the surface of the soil, improves yields of the crops, changes an existing mulching cultivation production method for the crops, and achieves the purpose of protective mulching cultivation.
Description
Technical field
The present invention relates to a kind of cultivation method for crops, specifically a kind of crops furrow membrane ridge straw combined type mulching and planting method, belongs to technical field of agricultural cultivation.
Background technology
It is a time-honored crop cultivating technology that farmland covers.Now, in the agricultural production of countries in the world, widely used main cladding material is various types of mulch film, the extensive use of mulch film has greatly promoted the development of farmland culture underglass and the raising of crop yield, but the characteristic due to its anti-decomposition makes to residue in soil or the mulch film entered in surrounding environment is difficult to natural degradation, cause so-called " white pollution ".Agricultural wastes such as stalk, animal manure etc. are all excellent coverings, have long applicating history, and they not only have the effect promoting plant growth and improve crop yield, and have the effect fostering and apply fertilizer and improve soil.And the actual conditions of China are that agricultural wastes farmland area coverage and quantity significantly decline at present, but there is quite most stalk to abandon everywhere every year, let alone to rot or commit to the flames, this is not only the waste to resource, and can cause environmental pollution and affect communications and transportation.Culture underglass is the technical measures that during dry farming is produced, important guarantor stores soil moisture always.Traditional cladding material stalk can reduce rainwash, increases precipitation infiltration and suppress soil evaporation.Culture underglass is not only widely used in arid, semiarid zone agricultural production as a Technology of Drought-resistant measure, and be also widely used in country such as Japan and the European countries that some water resources are abundant, farmland covers to have and reduces soil evaporation, improves soil water and heat quantity and nutrient situation, raising biological activity of soil, suppresses the windproof and many-sided farmland ecological environment effect such as to prevent erosion of the accumulation of salt in the surface soil and weeds, frost prevention, by the diversified innovation of coverage mode for Developing Sustainable Agriculture and corresponding cultivation thereof provide technical support.
In the measure of existing crops culture underglass; there are some problems; as: mulch film is because causing white pollution; and the water conservation heat insulation effect of stalk is not as mulch film; mulch film covers on face, ridge and also becomes rain infiltration to the physical obstacle in soil simultaneously, is unfavorable for the utilization of crop to moisture on the contrary, if improving straw mulching is in furrow; distance crop root is comparatively far away, the nutrient that stalk provides and protective effect can be weakened etc. problem.
In existing culture underglass mode, arable soil surface is exposed often, without any protection, runs into the loss that rain drop erosion is easy to cause liquid manure, brings problem of environmental pollution and farmland quality to decline.The fluctuation of soil temperature and water content is very large simultaneously, does not have the buffer capacity of better moisture and temperature, can cause very large injury simultaneously to soil, spoiled soil structure, reduces soil quality.
In the measure of existing crops culture underglass; white pollution there is mulch film because can be caused; and the water conservation heat insulation effect of stalk is not as mulch film; mulch film covers on face, ridge and also becomes rain infiltration to the physical obstacle in soil simultaneously; be unfavorable for the utilization of crop to moisture on the contrary; if improving straw mulching is in furrow, distance crop root is comparatively far away, the nutrient that stalk provides and protective effect can be weakened etc. problem.
Therefore, in existing culture underglass mode, be both difficult to the shortcoming overcoming improving straw mulching and plastic mulching, and be difficult to again advantage and the potentiality of performance two kinds of coverage modes, have influence on the sustainable production of crops.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of crops furrow membrane ridge straw combined type mulching and planting method, and this method overcomes the shortcoming of improving straw mulching and plastic mulching, plays advantage and the potentiality of two kinds of coverage modes, realizes the sustainable production of crops; Simultaneously, decrease the waste to agricultural resources, reduce environmental pollution, reduce rainwash, increase precipitation infiltration and suppress soil evaporation, the nutrient that improving soil water and heat quantity and stalk provides improve plant nutrient situation, improve biological activity of soil, suppress the accumulation of salt in the surface soil and weeds, prevent freeze injury and prevent erosion, protect farmland, prevent the loss of soil surface liquid manure; This method improves the output of crop, changes the mode of production of existing crops culture underglass, improves quality and the production capacity of soil sustainably, reaches the object of protectiveness culture underglass.
For solving the problems of the technologies described above, the technical solution used in the present invention: a kind of crops furrow membrane ridge straw combined type mulching and planting method, is characterized in that: furrow membrane ridge straw combined type mulching and planting method specifically carries out according to step below:
The first step, selection farmland, wholely;
Selection soil layer is deep, and the soil is porous, level land more than middle fertility, terraced fields ground or the gentle slope of the gradient less than 15 °, carries out wholely, weeds a garden, rubble;
Second step, ditching, ridging;
Wherein, furrow width needs more than 0.3 with the ratio of row spacing, when ensure farmland in length and breadth sewerage can the row of filling unobstructed, determine the length on ridge according to actual landform situation, the both sides that the soil in small, broken bits that trench digging produces is deposited in face, ridge are temporarily as press mold use during follow-up overlay film;
3rd step, applying base fertilizer;
The base fertilizer applied is fertilizer, phosphate fertilizer, potash fertilizer and nitrogenous fertilizer, and the time of applying fertilizer to the subsoil is before crop-planting; All fertilizer evenly spreads fertilizer over the fields on furrow face, or employing has fertilizer applicator base fertilizer can be manured into soil by instrument.
The layout of the 4th step, face, ridge intercropping plant;
Select a kind of subsidiary crop and main crop interplanting, using each face, ridge as a cell layout intercropping plant, to be arranged in parallel planting band with ridge face length edge direction, between the main crop-planting band of two row, carry out the subsidiary crop plantation band of intercropping; The width of subsidiary crop plantation band is the line-spacing between adjacent two main crop-planting bands;
5th step, crop sowing;
Crop sowing adopts bunch planting or shallow ridges drilling, broadcasts rear earthing; Or adopt no-tillage seeding fertilization pick to sow;
6th step, face, ridge improving straw mulching;
After plant seeding, utilize cracker directly to be pulverized by stalk, length is less than 5cm, and uniform fold is at soil surface, and stalk consumption is 9-15t/ha;
7th step, ditch body overlay film;
Select mulch film to be entirely laid in furrow, utilize the soil in small, broken bits of trench digging generation by the edge compacting of the both sides of mulch film, make the soil close contact of mulch film and bottom of trench and furrow bank;
8th step, applying are topdressed;
Topdress 2 times, execute 1/2 of described consumption at every turn, respectively crop the growth of seedling later stage and prosperously to topdress for a long time, will topdress after being dissolved in the water and carry out watering executing;
9th step, recovery mulch film;
After crop harvesting, the mulch film remaining in farmland is reclaimed, reduce Plastic-film pollution.
In second step, concrete ridging specification is the wide 30-40cm of furrow, furrow height 15-20cm, row spacing 60-80cm, and the bottom width of furrow, than furrow upper aperture widths reduction 4-6cm, forms trapezoidal furrow wide at the top and narrow at the bottom, meanwhile, keeps furrow both sides to be slope.
In 3rd step, fertilizer adopts farmyard manure, and consumption is 45t/ha; The phosphate fertilizer of applying base fertilizer, nitrogenous fertilizer, Potassium Fertilizer are determined according to concrete crop and local reasonable volume;
During in 7th step, mulch film is selected, more than the thickness requirement 0.008mm of mulch film, selects the mulch film of punching, and the specification of hole-ground film is bore dia 5cm, pitch of holes 10cm, and mulch film width selects 70-90cm, and making all can by plastic mulching with both side surface bottom ditch body.
Face, the ridge soil of this cultivation method is no-tillage; Face, ridge soil does not plough process, adopts no-tillage, except sowing, ditching, ridging or injection fertilizer, no longer stirs soil.
This cultivation method is applicable to corn, soybean, potato, the cultivation of the crops such as potato.
Beneficial effect of the present invention: this method overcomes the shortcoming of improving straw mulching and plastic mulching, plays advantage and the potentiality of two kinds of coverage modes, makes the sustainable production of crops; Simultaneously; decrease the waste to agricultural resources; reduce environmental pollution, reduce rainwash, increase precipitation infiltration and suppress soil evaporation; the nutrient that improving soil water and heat quantity and stalk provides improve plant nutrient situation, improve biological activity of soil, suppress the accumulation of salt in the surface soil and weeds, prevent freeze injury and prevent erosion; protect farmland, prevent the loss of soil surface liquid manure.This method improves the output of crop, changes the mode of production of existing crops culture underglass, improves quality and the production capacity of soil sustainably, reaches the object of protectiveness culture underglass.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the arrangement schematic diagram of the comparative trial of the embodiment of the present invention.
In figure: 1-ditch, 2-ridge, the main crop-planting band of 3-, 4-subsidiary crop growth belt, 5-peasant's conventional process planting area, straw combined type culture underglass region, 6-furrow membrane ridge
Embodiment
Below in conjunction with accompanying drawing and concrete enforcement, the present invention is described in further details, understands to facilitate technology user of service.
As shown in Figure 1, 2: a kind of crops furrow membrane ridge straw combined type mulching and planting method, furrow membrane ridge straw combined type mulching and planting method specifically carries out according to step below:
The first step, selection farmland, wholely;
Selection soil layer is deep, and the soil is porous, level land more than middle fertility, terraced fields ground or the gentle slope of the gradient less than 15 °, carries out wholely, weeds a garden, rubble;
Second step, ditching, ridging;
Wherein, the width of ditch 1 needs more than 0.3, if below 0.3 with the ratio of the width on ridge 2, then likely cause furrow relatively narrow, be difficult to the effect of performance technology, concrete ridging specification is the wide 30-40cm of furrow, furrow height 15-20cm, row spacing 60-80cm, the bottom width of furrow, than furrow upper aperture widths reduction 4-6cm, forms trapezoidal furrow wide at the top and narrow at the bottom, simultaneously, keep furrow both sides to be slope, be conducive to the stability on ditch body overlay film and ditch and ridge; When ensure farmland in length and breadth sewerage can the row of filling unobstructed, determine the length on ridge according to actual landform situation, the both sides that the soil in small, broken bits that trench digging produces is deposited in face, ridge are temporarily as press mold use during follow-up overlay film;
3rd step, applying base fertilizer;
The base fertilizer applied is fertilizer, phosphate fertilizer, potash fertilizer and nitrogenous fertilizer, and the time of applying fertilizer to the subsoil is before crop-planting; Fertilizer adopts farmyard manure, and consumption is 45t/ha; The phosphate fertilizer of applying base fertilizer, nitrogenous fertilizer, Potassium Fertilizer are determined according to concrete crop and local reasonable volume; All fertilizer evenly spreads fertilizer over the fields on furrow face, or employing has fertilizer applicator base fertilizer can be manured into soil by instrument.
The layout of the 4th step, face, ridge intercropping plant;
Select a kind of subsidiary crop and main crop interplanting, using each face, ridge as a cell layout intercropping plant, to be arranged in parallel planting band with ridge face length edge direction, between the main crop-planting band of two row, carry out the subsidiary crop plantation band of intercropping; The width of subsidiary crop plantation band 4 is the line-spacing between adjacent two main crop-planting bands 3;
5th step, crop sowing;
Crop sowing adopts bunch planting or shallow ridges drilling, broadcasts rear earthing; Or adopt no-tillage seeding fertilization pick to sow;
6th step, face, ridge improving straw mulching;
After plant seeding, utilize cracker directly to be pulverized by stalk, length is less than 5cm, and uniform fold is at soil surface, and stalk consumption is 9-15t/ha;
7th step, ditch body overlay film;
In mulch film is selected, more than the thickness requirement 0.008mm of mulch film, object is because furrow is the corridor of field, farmland daily management operation, the too thin easy breakage of mulch film, influence technique effect; Meanwhile, thick mulch film is conducive to the recovery of residual film; Select the mulch film of punching, the specification of hole-ground film is bore dia 5cm, pitch of holes 10cm, object is to provide ground precipitation or the passage infiltrated of pouring water, enforcement mulch film is existing prevents ground moisture evaporation from causing arid, and have again and promote that moisture enters soil thus prevents the effect of water loss and damage or crop failure caused by waterlogging, mulch film width selects 70-90cm, guarantee that mulch film is enough wide, making all can by plastic mulching with both side surface bottom ditch body.
The mulch film of selection is entirely laid in furrow, utilizes the soil in small, broken bits of trench digging generation by the edge compacting of the both sides of mulch film, make the soil close contact of mulch film and bottom of trench and furrow bank;
8th step, applying are topdressed;
Topdress 2 times, execute 1/2 of described consumption at every turn, respectively crop the growth of seedling later stage and prosperously to topdress for a long time, will topdress after being dissolved in the water and carry out watering executing;
9th step, recovery mulch film;
After crop harvesting, the mulch film remaining in farmland is reclaimed, reduce Plastic-film pollution.
Face, the ridge soil of this cultivation method is no-tillage; Face, ridge soil does not plough process, adopts no-tillage, except sowing, ditching, ridging or injection fertilizer, no longer stirs soil.
This cultivation method is applicable to corn, soybean, potato, the cultivation of the crops such as potato.
Embodiment:
A kind of crops furrow membrane ridge straw combined type mulching and planting method, the furrow membrane ridge straw combined type mulching and planting method of corn specifically carries out according to step below:
A method for furrow membrane ridge straw combined type culture underglass corn, adopt the implantation methods of peasant habit to test as a comparison in the present embodiment, the difference of the implantation methods of furrow membrane ridge straw combined type mulching and planting method and peasant habit is as shown in table 1 simultaneously,
Table one: the difference table of the implantation methods of furrow membrane ridge straw combined type mulching and planting method and peasant habit
Wherein, the implantation methods of furrow membrane ridge straw combined type mulching and planting method and peasant habit respectively gets three pieces of farmlands, totally 6 communities, each community 40m
2, as shown in Figure 3, adopt randomized arrangement as field comparison test, to eliminate the error that the factors such as soil heterogeneity bring.
The first step, selection farmland, wholely;
First have selected the plot that one piece of smooth dry farmland is implemented as this method, plot preceding crop is winter wheat, and soil layer is comparatively dark, and the soil is porous, and more than middle fertility, soil types is red soil, on the farmland selected wholely, weed a garden, rubble.
Second step, ditching, ridging;
The ridging specification implemented is the wide 40cm of furrow upper opening, furrow height 20cm, row spacing 80cm, the bottom width of furrow, than furrow upper aperture widths 35cm, forms trapezoidal furrow wide at the top and narrow at the bottom, simultaneously, keep furrow both sides to be slope, be conducive to the stability on ditch body overlay film and ditch and ridge; When ensure farmland in length and breadth sewerage can the row of filling unobstructed, determine the length on ridge according to actual landform situation, the both sides that the soil in small, broken bits that trench digging produces is deposited in face, ridge are temporarily as press mold use during follow-up overlay film.
3rd step, applying base fertilizer;
The base fertilizer applied is fertilizer, phosphate fertilizer, potash fertilizer and nitrogenous fertilizer, and the time of applying fertilizer to the subsoil is before crop-planting, and fertilizer adopts farmyard manure, and its consumption is 45t/ha, and phosphate fertilizer is with P
2o
5meter, total consumption is 75kg/hm
2, all make base fertilizer and use, nitrogen application urea, counts 210kg/hm with purity nitrogen
2, 40% of this consumption is used as base fertilizer, and remaining work is topdressed.Potash fertilizer is with K
2o counts, and consumption is 75kg/hm
2, all make base fertilizer and use.Organic manure evenly spreads fertilizer over the fields on furrow face, utilizes no-tillage seeding fertilization pick to be manured into soil by chemical fertilizer after remaining 3 kinds of chemical fertilizer fully mix.
The layout of the 4th step, face, ridge intercropping plant;
Select soybean and corn intercrop, using each community as a cell layout intercropping plant, to be arranged in parallel planting band with ridge face length edge direction, the subsidiary crop plantation of intercropping is carried out between the main crop of two row, main crop is 80cm line-spacing, the centre position plantation soybean of 20cm spacing in the rows between two row corns, soybean planting specification is identical with general planting;
5th step, crop sowing;
Crop sowing adopts no-tillage seeding fertilization pick to sow;
6th step, face, ridge improving straw mulching;
After plant seeding, utilize cracker directly to be pulverized by stalk, length is less than 5cm, and uniform fold is at soil surface, and stalk consumption is 9-15t/ha;
7th step, ditch body overlay film;
In mulch film is selected, more than the thickness requirement 0.008mm of mulch film, object is because furrow is the corridor of field, farmland daily management operation, the too thin easy breakage of mulch film, influence technique effect; Meanwhile, thick mulch film is conducive to the recovery of residual film; Select the mulch film of punching, the specification of hole-ground film is bore dia 5cm, pitch of holes 10cm, object is to provide ground precipitation or the passage infiltrated of pouring water, enforcement mulch film is existing prevents ground moisture evaporation from causing arid, and have again and promote that moisture enters soil thus prevents the effect of water loss and damage or crop failure caused by waterlogging, mulch film width selects 70-90cm, guarantee that mulch film is enough wide, making all can by plastic mulching with both side surface bottom ditch body.
The mulch film of selection is entirely laid in furrow, utilizes the soil in small, broken bits of trench digging generation by the edge compacting of the both sides of mulch film, make the soil close contact of mulch film and bottom of trench and furrow bank;
8th step, applying are topdressed;
Topdress 2 times, execute 1/2 of described consumption at every turn, respectively crop the growth of seedling later stage and prosperously to topdress for a long time, will topdress after being dissolved in the water and carry out watering executing;
9th step, recovery mulch film;
After crop harvesting, the mulch film remaining in farmland is reclaimed, reduce Plastic-film pollution.
Face, the ridge soil of this cultivation method is no-tillage; Face, ridge soil does not plough process, adopts no-tillage, except sowing, ditching, ridging or injection fertilizer, no longer stirs soil.
The implementation result of the implantation methods of furrow membrane ridge straw combined type mulching and planting method and peasant habit is as shown in table 2:
Table two: furrow membrane ridge straw combined type mulching and planting method compares with the implantation methods of peasant habit
In table 2: the assay method of soil moisture content adopts oven drying method;
Output adopts field measurement method to obtain;
The accounting price of input cost (ten thousand yuan/hectare) includes seed, chemical fertilizer, labour cost, water rate and agricultural chemicals;
The accounting price of net profit (ten thousand yuan/hectare) deducts input cost by total revenue and obtains;
Nitrogen nutrient flow vector and soil loss amount are according to State Council's generaI investigation publication estimation.
This method is by reducing the destruction to soil structure as far as possible; no-tillage, cover, the innovation of the measure such as live and intercropping and integrated; protect soil surface; make soil surface not by rain drop erosion and improve soil moisture supply and thermoregulator buffer capacity; add Agricultural biodiversity, revolutionize the mode of production of existing culture underglass, improve quality and the production capacity of soil sustainably; and improve the seed output and quality of crop, reach the object protected the fields.
This method significantly improves the output of crop, volume increase 7%; Significantly improve the Water-saving effect of soil, soil moisture content improves 33.9%, increases income 9.5%.Reduce nitrogen nutrient number of dropouts 14%, reduce soil loss amount 65%.
This method overcomes the shortcoming of improving straw mulching and plastic mulching, plays advantage and the potentiality of two kinds of coverage modes, realizes the sustainable production of crops; Simultaneously; decrease the waste to agricultural resources; reduce environmental pollution, reduce rainwash, increase precipitation infiltration and suppress soil evaporation; the nutrient that improving soil water and heat quantity and stalk provides improve plant nutrient situation, improve biological activity of soil, suppress the accumulation of salt in the surface soil and weeds, prevent freeze injury and prevent erosion; protect farmland, prevent the loss of soil surface liquid manure.This method improves the output of crop, changes the mode of production of existing crops culture underglass, improves quality and the production capacity of soil sustainably, reaches the object of protectiveness culture underglass.
The content that the present invention is described by embodiment, without departing from the present invention, various conversion and equivalent replacement can also be carried out to patent of the present invention, therefore, patent of the present invention is not limited to disclosed specific implementation process, and should comprise the whole embodiments fallen within the scope of Patent right requirement of the present invention.
Claims (3)
1. a crops furrow membrane ridge straw combined type mulching and planting method, is characterized in that: furrow membrane ridge straw combined type mulching and planting method specifically carries out according to step below:
The first step, selection farmland, wholely;
Selection soil layer is deep, and the soil is porous, level land more than middle fertility, terraced fields ground or the gentle slope of the gradient less than 15 °, carries out wholely, weeds a garden, rubble;
Second step, ditching, ridging;
Wherein, furrow width needs more than 0.3 with the ratio of row spacing, when ensure farmland in length and breadth sewerage can the row of filling unobstructed, the length on ridge is determined according to actual landform situation, the both sides that the soil in small, broken bits that trench digging produces is deposited in face, ridge temporarily use as press mold during follow-up overlay film, concrete ridging specification is the wide 30-40cm of furrow, furrow height 15-20cm, row spacing 60-80cm, the bottom width of furrow is than furrow upper aperture widths reduction 4-6cm, form trapezoidal furrow wide at the top and narrow at the bottom, meanwhile, keep furrow both sides to be slope;
3rd step, applying base fertilizer;
The base fertilizer applied is fertilizer, phosphate fertilizer, potash fertilizer and nitrogenous fertilizer, and the time of applying fertilizer to the subsoil is before crop-planting; All fertilizer evenly spreads fertilizer over the fields on furrow face, or employing has fertilizer applicator base fertilizer can be manured into soil by instrument;
The layout of the 4th step, face, ridge intercropping plant;
Select a kind of subsidiary crop and main crop interplanting, using each face, ridge as a cell layout intercropping plant, to be arranged in parallel planting band with ridge face length edge direction, between the main crop-planting band of two row, carry out the subsidiary crop plantation band of intercropping; The width of subsidiary crop plantation band is the line-spacing between adjacent two main crop-planting bands;
5th step, crop sowing;
Crop sowing adopts bunch planting or shallow ridges drilling, broadcasts rear earthing; Or adopt no-tillage seeding fertilization pick to sow;
6th step, face, ridge improving straw mulching;
After plant seeding, utilize cracker directly to be pulverized by stalk, length is less than 5cm, and uniform fold is at soil surface, and stalk consumption is 9-15t/ha;
7th step, ditch body overlay film;
Mulch film is selected entirely to be laid in furrow, utilize the soil in small, broken bits of trench digging generation by the edge compacting of the both sides of mulch film, make the soil close contact of mulch film and bottom of trench and furrow bank, during mulch film is selected, more than the thickness requirement 0.008mm of mulch film, selects the mulch film of punching, the specification of hole-ground film is bore dia 5cm, pitch of holes 10cm, mulch film width selects 70-90cm, and making all can by plastic mulching with both side surface bottom ditch body;
8th step, applying are topdressed;
Topdress 2 times, 1/2 of each amount of application, respectively crop the growth of seedling later stage and prosperously to topdress for a long time, will topdress after being dissolved in the water and carry out watering executing;
9th step, recovery mulch film;
After crop harvesting, the mulch film remaining in farmland is reclaimed.
2. a kind of crops furrow membrane ridge according to claim 1 straw combined type mulching and planting method, is characterized in that: in the 3rd step, fertilizer adopts farmyard manure, and consumption is 45t/ha; The phosphate fertilizer of applying base fertilizer, nitrogenous fertilizer, Potassium Fertilizer are determined according to concrete crop and local reasonable volume.
3. a kind of crops furrow membrane ridge according to claim 1 straw combined type mulching and planting method, is characterized in that: face, the ridge soil of this cultivation method is no-tillage; Face, ridge soil does not plough process, adopts no-tillage, except sowing, ditching, ridging or injection fertilizer, no longer stirs soil.
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| CN104584955A (en) * | 2013-10-31 | 2015-05-06 | 李保瑞 | Mulch mulching method facilitating mulch reuse and convenient recycling in agricultural productions |
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