阅读说明：本技术 一种东北地区玉米与大豆、花生带状复合间种种植方法 (Strip-shaped compound interplanting planting method for corns, soybeans and peanuts in northeast ) 是由 王浩 刘俊山 刘忠义 王凤成 李连金 于 2021-09-24 设计创作，主要内容包括：本发明公开一种东北地区玉米与大豆、花生带状复合间种种植方法,包括品种筛选、种子优选及二次处理、测土配肥、秋/春整地、定制农机、除草技术、科学合理施肥方式、促控技术、防虫防病、植物保护防虫防病以及适时收获。此发明使米豆和米花间作,通光通风有效增加,边行优势得到了体现,使玉米的密度增加了150％；同时秸秆全量原位还田更加有意义的是增加土壤中有机物质的含量,土地越种越肥,肥料越用越少,有效的保护了黑土地；与传统的间作模式相比,模式减少了大豆的荫蔽效应,同时方便大型农机使用；米豆间作和米花间作再下一种植季大豆玉米轮作、花生玉米轮作,有效解决了重茬危害,疏松土壤、改善土壤结构,加速土壤养分的恢复,终身受益。(The invention discloses a banded compound interplanting planting method for corns, soybeans and peanuts in northeast regions, which comprises the steps of variety screening, seed optimization and secondary treatment, soil testing and fertilizer matching, autumn/spring land preparation, agricultural machine customization, weeding technology, scientific and reasonable fertilization mode, control promotion technology, insect prevention and disease prevention, plant protection insect prevention and disease prevention and timely harvesting. The invention enables rice beans and popcorn to intercropped, the light and ventilation are effectively increased, the advantages of the corn are reflected, and the density of the corn is increased by 150%; meanwhile, the full-amount in-situ returning of the straws is more meaningful in increasing the content of organic substances in the soil, the more fertile the soil is, the less the fertilizer is used, and the black soil is effectively protected; compared with the traditional intercropping mode, the mode reduces the shading effect of the soybeans and is convenient for large-scale agricultural machinery to use; rice-bean intercropping and popcorn intercropping are carried out, then soybean-corn rotation and peanut-corn rotation are carried out in the next planting season, continuous cropping hazards are effectively solved, soil is loosened, the soil structure is improved, the recovery of soil nutrients is accelerated, and the rice-bean intercropping and popcorn intercropping method is beneficial for life.)

1. A banded compound interplanting planting method for corns, soybeans and peanuts in the northeast region is characterized by comprising the following steps:

s1: and (4) screening seeds. Selecting a high-quality, high-density, high-yield, drought-resistant and lodging-resistant corn planting variety with compact plant type, upward-stamped leaves and short stems for the corn; selecting a soybean planting variety with yin resistance, lodging resistance and large pod size from soybeans;

s2: seed optimization and secondary treatment. After selecting a variety, performing optimization based on a plurality of indexes of seed production base standard, seed purity, gene stability and germination rate, coating the seeds, and performing ultrasonic and electromagnetic radiation treatment in a space capsule to reach a set yield level;

s3: and (5) measuring soil and preparing fertilizer. Detecting the nutrient components of the soil in a special soil detection laboratory, balancing the nitrogen, phosphorus and potassium formula according to the detection result, and simultaneously supplementing medium trace elements; the fertilizer is tested and formulated, organic matter supplement is provided, and the sustainable production capacity of soil is promoted;

s4: soil preparation in autumn/spring. Returning the whole straws to the field in situ, adding a special microbial inoculum while cutting the straws, completing straw crushing, throwing, spraying a decomposition agent, rotary tillage, soil mixing, deep loosening, ridging and pressing by using a novel combined soil preparation machine at one time, and making the straws into organic matters without quick decay from the field and into large ridges of 1.3m to make the soil enter a good standby state;

s5: and (5) customizing the agricultural machinery. Six rows and three large ridges are sown at one time, the number of the large ridges is 1.3 m/ridge, the ridges are provided with double narrow rows, the row spacing of the narrow rows is 0.3m, the row spacing between the ridges is 1m, the hole spacing is 0.2m to 0.4m of the rows at two sides, 0.2m to 0.5m of the inner rows at two sides, 0.2m to 0.6m of the inner rows at two sides are sown in a non-equidistant way, and each hole is provided with three plants; three large ridges are planted on the soybean seeds, the number of the large ridges is 1.3 m/ridge, four rows of the soybean seeds are arranged on the ridges, the row spacing is 0.2m, 0.3m and 0.2m, and the plant spacing is adjusted according to different varieties for equidistant sowing so as to achieve the effect of a new planting mode;

s6: and (4) weeding. Under different crop intercropping modes, before three leaves of corn and before seedlings of soybean after sowing, the closed weeding is carried out once.

S7: and (4) fertilizing. The method comprises a fertilization mode of adding a base fertilizer and a foliar fertilizer, a fertilization mode of matching with drip irrigation water soluble fertilizer and the like, and according to the nutrient requirement of each stage of crops, the method realizes accurate and effective fertilization and integrates water and fertilizer; the foliar fertilizer is applied for three times, and according to the fertilizer requirement rule of different key periods of corn, the nutrient components of the foliar fertilizer for three times are different, wherein the foliar fertilizer is applied for the first time in the weaning period, the foliar fertilizer is applied for the second time in the horn mouth period, and the foliar fertilizer is applied for the third time in the grouting period;

s8: and (5) promoting and controlling. Spraying the control-promoting immunomodulator on six to nine unfolded leaves of the corn, spraying the immunomodulator when the soybean high-stalk variety is subjected to three-stage flowering, controlling the plant height, and protecting flowers and pods so as to improve the yield per unit.

S9: the plant can protect insect and disease. The insecticidal bactericide which is commonly used for corn and soybean is sprayed in a key period, such as abamectin mite, nitre mite, acetamiprid and pyraclostrobin, so as to prevent and treat the insect pests of stem borers, spodoptera frugiperda, diabrotica, overground nematodes, armyworms, aphids, spodoptera exigua, leaf mites, thrips, pod borers, aphids, red spiders and cyst nematodes of the corn; preventing and treating diseases of corn big and small leaf spot, rough dwarf, bacterial wilt and eye spot, and diseases of soybean root and stem rot and leaf spot;

s10: harvesting at proper time: when the corn enters the seeds completely and has a black powder layer in the last 10 th month, harvesting moisture in about 25 water at proper time, and directly dragging the seeds by adopting a direct harvesting machine to reduce loss; the soybeans are harvested in advance of the corn, and a harvesting machine is selected to harvest the soybeans in a low mode and prevent the soybeans from falling into the pods.

2. The strip-shaped compound interplanting method for corn, soybean and peanut in northeast region of claim 1, wherein: in S2, the seed coating adopts the seed coating agent for preventing underground pests, aphids in later period on the ground, corn head smut, cold damage at low temperature and damage of birds and rats, drought resistance and water retention agent and pelleting agent for providing nutrition for the seeds, thereby ensuring that the seeds are sown once to ensure the full-length seedlings.

3. The strip-shaped compound interplanting method for corn, soybean and peanut in northeast region of claim 1, wherein: in S5, the planting pattern is: 6: 6 or 3:3 large ridges, three large ridges of corns, six rows and three large ridges of soybeans and twelve rows; corn with three plants in one hole are not equidistant, and soybean is sowed in four rows at equal intervals on ridges.

4. The strip-shaped compound interplanting method for corn, soybean and peanut in northeast region of claim 1, wherein: in S6, acetochlor, 2.4D butyl ester, propisochlor, alachlor, prometryn and thifensulfuron methyl are adopted as the herbicide for intercropping corn and soybean closed weeding; atrazine, mesotrione and nicosulfuron are adopted after corn seedling; after soybean seedling, clomazone, fomesafen and bentazone are adopted.

5. The strip-shaped compound interplanting method for corn, soybean and peanut in northeast region of claim 1, wherein: in s7, the secondary foliar fertilizer has to be sprayed before the flare stage, so that the number of lines and grains can be increased.

6. The strip-shaped compound interplanting method for corn, soybean and peanut in northeast region of claim 1, wherein: when the oral fertilizer is applied, substances for promoting root growth and diameter increase are added, and the soybean is applied with bacterial manure to promote the formation of rhizobia.

Technical Field

The invention relates to the technical field of crop planting, in particular to a banded compound interplanting method for corn, soybean and peanut in northeast.

Background

In order to solve the contradiction of land competition between planting soybean peanuts and corns and improve the unit yield of corns, a rice bean and popcorn mode is researched, the corn is ensured not to reduce the yield of the corns and simultaneously half of the soybean area is increased under the same area, namely 50% of the land area is increased, if the technology can be applied in a large area, half of the land area is increased in the invisibly state, the ecological benefit and the social benefit are extremely obvious, the technology adapts to the requirement of agricultural development in a new period, ensures the grain safety, enhances the competitive capacity of agricultural products, promotes the strategic adjustment of agricultural structures, improves the agricultural benefit, and promotes the agricultural efficiency and the yield increase of farmers.

The method has the advantages that the inner covering is added in the northeast China, the four seasons are clear, the rain and heat are in the same season, the dry wind is large in spring, the high temperature and raininess are high in summer, the autumn is high, the vigor is cool, and the winter is cold, so that the method is suitable for planting crops such as corn, soybean, peanut, wheat, dwarf sorghum, millet, potato, sweet potato, beet, oil sunflower, pumpkin, watermelon, muskmelon, eggplant, hot pepper and the like. The method is suitable for rice-bean-popcorn intercropping, the rain amount of a rain-fed operation area is abundant, irrigation is not needed, the means such as drip irrigation and the like are adopted in arid areas, high-standard farmlands are built, and people who cannot irrigate the hillsides adopt thinly-planted large-stick varieties. The dwarf crops and the corns are intercropped, the space levels are different, the height matching effectively utilizes the space, the light energy is more reasonably utilized, the ventilation and light transmission capability is effectively increased, the marginal effect is better exerted, and the edge row advantages are fully embodied, so that the edge ridge plants are the ground heads, the corn with clear levels can greatly increase the yield of the soybean peanuts without reducing the yield, the yield benefit of a producer is increased, and the method is of great importance for solving the problem of sustainable development of black land protection of agriculture in China.

Disclosure of Invention

In order to solve the existing problems, the invention provides a strip-shaped compound interplanting method for corn, soybean and peanut in northeast. The invention is realized by the following technical scheme.

A banded compound interplanting method for corns, soybeans and peanuts in the northeast region comprises the following steps:

s1: and (4) screening seeds. Selecting a high-quality, high-density, high-yield, drought-resistant and lodging-resistant corn planting variety with compact plant type, upward-stamped leaves and short stems for the corn; selecting a soybean planting variety with yin resistance, lodging resistance and large pod size from soybeans;

s2: seed optimization and secondary treatment. After selecting a variety, performing optimization based on a plurality of indexes of seed production base standard, seed purity, gene stability and germination rate, coating the seeds, and performing ultrasonic and electromagnetic radiation treatment in a space capsule to reach a set yield level;

s3: and (5) measuring soil and preparing fertilizer. Detecting the nutrient components of the soil in a special soil detection laboratory, balancing the nitrogen, phosphorus and potassium formula according to the detection result, and simultaneously supplementing medium trace elements; the fertilizer is tested and formulated, organic matter supplement is provided, and the sustainable production capacity of soil is promoted;

s4: soil preparation in autumn/spring. Returning the whole straws to the field in situ, adding a special microbial inoculum while cutting the straws, completing straw crushing, throwing, spraying a decomposition agent, rotary tillage, soil mixing, deep loosening, ridging and pressing by using a novel combined soil preparation machine at one time, and making the straws into organic matters without quick decay from the field and into large ridges of 1.3m to make the soil enter a good standby state;

s5: and (5) customizing the agricultural machinery. Six rows and three large ridges are sown at one time, the number of the large ridges is 1.3 m/ridge, the ridges are provided with double narrow rows, the row spacing of the narrow rows is 0.3m, the row spacing between the ridges is 1m, the hole spacing is 0.2m to 0.4m of the rows at two sides, 0.2m to 0.5m of the inner rows at two sides, 0.2m to 0.6m of the inner rows at two sides are sown in a non-equidistant way, and each hole is provided with three plants; three large ridges are planted on the soybean seeds, the number of the large ridges is 1.3 m/ridge, four rows of the soybean seeds are arranged on the ridges, the row spacing is 0.2m, 0.3m and 0.2m, and the plant spacing is adjusted according to different varieties for equidistant sowing so as to achieve the effect of a new planting mode;

s6: and (4) weeding. Under different crop intercropping modes, before three leaves of corn and before seedlings of soybean after sowing, the closed weeding is carried out once.

S7: and (4) fertilizing. The method comprises a fertilization mode of adding a base fertilizer and a foliar fertilizer, a fertilization mode of matching with drip irrigation water soluble fertilizer and the like, and according to the nutrient requirement of each stage of crops, the method realizes accurate and effective fertilization and integrates water and fertilizer; the foliar fertilizer is applied for three times, and according to the fertilizer requirement rule of different key periods of corn, the nutrient components of the foliar fertilizer for three times are different, wherein the foliar fertilizer is applied for the first time in the weaning period, the foliar fertilizer is applied for the second time in the horn mouth period, and the foliar fertilizer is applied for the third time in the grouting period;

s8: and (5) promoting and controlling. Spraying the control-promoting immunomodulator on six to nine unfolded leaves of the corn, spraying the immunomodulator when the soybean high-stalk variety is subjected to three-stage flowering, controlling the plant height, and protecting flowers and pods so as to improve the yield per unit.

S9: the plant can protect insect and disease. The insecticidal bactericide which is commonly used for corn and soybean is sprayed in a key period, such as abamectin mite, nitre mite, acetamiprid and pyraclostrobin, so as to prevent and treat the insect pests of stem borers, spodoptera frugiperda, diabrotica, overground nematodes, armyworms, aphids, spodoptera exigua, leaf mites, thrips, pod borers, aphids, red spiders and cyst nematodes of the corn; preventing and treating diseases of corn big and small leaf spot, rough dwarf, bacterial wilt and eye spot, and diseases of soybean root and stem rot and leaf spot;

s10: harvesting at proper time: when the corn enters the seeds completely and has a black powder layer in the last 10 th month, harvesting moisture in about 25 water at proper time, and directly dragging the seeds by adopting a direct harvesting machine to reduce loss; the soybeans are harvested in advance of the corn, and a harvesting machine is selected to harvest the soybeans in a low mode and prevent the soybeans from falling into the pods.

Further, in S2, the seed coating adopts a pelleting agent for preventing underground pests, aphids in later period on the ground, corn head smut, cold damage at low temperature and damage of birds and rats, resisting drought and water retention agents and providing nutrition for the seeds, thereby ensuring that the seeds are sown once to keep the seedlings.

Further, in S5, the planting mode is: 6: 6 or 3:3 large ridges, three large ridges of corns, six rows and three large ridges of soybeans and twelve rows; corn with three plants in one hole are not equidistant, and soybean is sowed in four rows at equal intervals on ridges.

Further, in S6, the intercropping corn soybean closed weeding adopts the agents of acetochlor, 2.4D butyl ester, propisochlor, alachlor, prometryn, thifensulfuron methyl; atrazine, mesotrione and nicosulfuron are adopted after corn seedling; after soybean seedling, clomazone, fomesafen and bentazone are adopted.

Furthermore, in s7, the secondary foliar fertilizer needs to be sprayed before the flare stage, so that the number of lines and grains can be increased.

Furthermore, substances for promoting root growth and diameter increase are added when the oral fertilizer is applied, and the soybean bacterial fertilizer is applied to promote the formation of rhizobia.

The invention has the beneficial effects that: has certain economic benefit, ecological benefit and social benefit:

1. economic benefits are as follows: 7.5 mu of corn and 7.5 mu of soybean are planted by taking 1 hectare as an example, the 7.5 mu of corn produces the yield of 1 hectare of common corn, the 7.5 mu of soybean is net, 3000 jin of soybean has a net profit of 6 to 9 thousand.

2. Ecological benefits are as follows: the rice bean and popcorn intercropping environment, the three-dimensional strip-shaped compound intercropping of the short crops of the tall stalks and the soybean peanuts effectively and reasonably utilizes the space structure, increases the number of corn plants in unit area, improves the land output by fertilizing through a soil testing formula, reduces the agricultural pollution, returns the whole straws to the field in situ, improves the organic matter content of the soil, increases the water and fertilizer retention capacity, more reasonably utilizes the nutrients in the soil by crop rotation of the corns and the soybean peanuts, reduces the using amount of chemical fertilizers, achieves the purposes of saving fertilizer and improving efficiency, reducing the cost, improving the soil, reducing the land pollution, also solves the problem of continuous cropping of the peanuts and the soybeans, obviously increases the soybean output, improves the quality and the output of the soybean peanuts, and really realizes the black land protection, which is a breakthrough in green agriculture.

3. Social benefits are as follows: the yield benefit is improved, and simultaneously the contradiction of too little cultivated land per capita is relieved, the yield of 1 hectare of seeds is equivalent to that of 1.5 hectare of common planting of other people, the cost is not reduced, and the yield of grains is increased; the intercropped soybean area can increase the soybean planting area for the country, thus greatly relieving the supply and demand contradiction of the soybeans; the peanut soybean and corn intercropping is cost-saving and efficient, the research and development of the comprehensive cultivation technology are promoted, the innovation of storing grains in the ground and storing grains in the technology for guaranteeing the grain safety is realized, the innovation of improving the agricultural ecological environment is realized, the demonstration and promotion strength is increased, and the contribution is made to the agricultural efficiency improvement, the income increase of farmers and the improvement of the grain yield increase capability.

Drawings

FIG. 1 is a schematic diagram of the row spacing of three large ridges of corn in the corn and soybean peanut strip compound intercropping of the present invention;

FIG. 2 is a schematic diagram of soybean planting in three large ridge row spacing;

FIG. 3 is a schematic diagram of the hole spacing of three large ridges of intercropped corn.

Detailed Description

The invention will be described more fully in the following with reference to the accompanying drawings.

In specific embodiment 1, a banded compound interplanting method for corn, soybean and peanut in northeast region comprises the following steps:

s1: and (4) screening seeds. Selecting a high-quality, high-density, high-yield, drought-resistant and lodging-resistant corn planting variety with compact plant type, upward-stamped leaves and short stems for the corn; selecting a soybean planting variety with yin resistance, lodging resistance and large pod size from soybeans;

s2: seed optimization and secondary treatment. After selecting a variety, performing optimization based on a plurality of indexes of seed production base standard, seed purity, gene stability and germination rate, coating the seeds, and performing ultrasonic and electromagnetic radiation treatment in a space capsule to reach a set yield level; the seed coating adopts the seed coating for preventing underground pests, aphids at later period on the ground, corn head smut, cold damage at low temperature and bird and mouse damage, drought resistance and water retention agent and pelleting agent for providing nutrition for seeds, thereby ensuring that the seeds are sown once to ensure full seedlings;

s3: and (5) measuring soil and preparing fertilizer. Detecting the nutrient components of the soil in a special soil detection laboratory, balancing the nitrogen, phosphorus and potassium formula according to the detection result, and simultaneously supplementing medium trace elements; the fertilizer is tested and formulated, organic matter supplement is provided, and the sustainable production capacity of soil is promoted;

s4: soil preparation in autumn/spring. Returning the whole straws to the field in situ, adding a special microbial inoculum while cutting the straws, completing straw crushing, throwing, spraying a decomposition agent, rotary tillage, soil mixing, deep loosening, ridging and pressing by using a novel combined soil preparation machine at one time, and making the straws into organic matters without quick decay from the field and into large ridges of 1.3m to make the soil enter a good standby state;

s5: and (5) customizing the agricultural machinery. Six rows and three large ridges are sown at one time, the number of the large ridges is 1.3 m/ridge, the ridges are provided with double narrow rows, the row spacing of the narrow rows is 0.3m, the row spacing between the ridges is 1m, the hole spacing is 0.2m to 0.4m of the rows at two sides, 0.2m to 0.5m of the inner rows at two sides, 0.2m to 0.6m of the inner rows at two sides are sown in a non-equidistant way, and each hole is provided with three plants; three large ridges are planted on the soybean seeds, the number of the large ridges is 1.3 m/ridge, four rows of the soybean seeds are arranged on the ridges, the row spacing is 0.2m, 0.3m and 0.2m, and the plant spacing is adjusted according to different varieties for equidistant sowing so as to achieve the effect of a new planting mode; the planting mode is as follows: 6: 6 or 3:3 large ridges, three large ridges of corns, six rows and three large ridges of soybeans and twelve rows; corn with three plants in one hole are not equidistant, and the soybean is sown in four rows at equal intervals on ridges;

s6: and (4) weeding. Under different crop intercropping modes, before three leaves of corn and before seedlings of soybean after sowing, weeding in a closed manner at one time; the herbicide adopted by the intercropping corn soybean closed weeding is acetochlor, 2.4D butyl ester, propisochlor, alachlor, prometryn and thifensulfuron methyl; atrazine, mesotrione and nicosulfuron are adopted after corn seedling; adopting clomazone, fomesafen and bentazone after soybean seedling emergence; during the spraying process, the air temperature and the soil humidity, the vehicle speed and the atomization degree, the weather condition and drought are taken into consideration, the dosage and the water quantity are properly increased, the dosage and the water consumption are reduced after rain, and the pesticide is not sprayed in rainy days and low-temperature days;

s7: and (4) fertilizing. The method comprises a fertilization mode of adding a base fertilizer and a foliar fertilizer, a fertilization mode of matching with drip irrigation water soluble fertilizer and the like, and according to the nutrient requirement of each stage of crops, the method realizes accurate and effective fertilization and integrates water and fertilizer; the foliar fertilizer is applied for three times, and according to the fertilizer requirement rule of different key periods of corn, the nutrient components of the foliar fertilizer for three times are different, wherein the foliar fertilizer is applied for the first time in the weaning period, the foliar fertilizer is applied for the second time in the horn mouth period, and the foliar fertilizer is applied for the third time in the grouting period; the secondary foliar fertilizer needs to be sprayed before the horn mouth period, so that the number of lines and grains can be increased, otherwise, the secondary foliar fertilizer does not work;

s8: and (5) promoting and controlling. Spraying the control-promoting immunomodulator on six to nine unfolded leaves of the corn, spraying the immunomodulator when the soybean high-stalk variety is subjected to three-stage flowering, controlling the plant height, and protecting flowers and pods so as to improve the yield per unit.

S9: the plant can protect insect and disease. The insecticidal bactericide which is commonly used for corn and soybean is sprayed in a key period, such as abamectin mite, nitre mite, acetamiprid and pyraclostrobin, so as to prevent and treat the insect pests of stem borers, spodoptera frugiperda, diabrotica, overground nematodes, armyworms, aphids, spodoptera exigua, leaf mites, thrips, pod borers, aphids, red spiders and cyst nematodes of the corn; preventing and treating diseases of corn big and small leaf spot, rough dwarf, bacterial wilt and eye spot, and diseases of soybean root and stem rot and leaf spot;

s10: harvesting at proper time: when the corn enters the seeds completely and has a black powder layer in the last 10 th month, harvesting moisture in about 25 water at proper time, and directly dragging the seeds by adopting a direct harvesting machine to reduce loss; the soybeans are harvested in advance of the corn, and a harvesting machine is selected to harvest the soybeans in a low mode and prevent the soybeans from falling into the pods.

Wherein, substances for promoting the growth of roots and increasing the diameter are added when the oral fertilizer is applied, and the soybean bacterial fertilizer is applied to promote the formation of rhizobia.

The invention has certain economic benefit, ecological benefit and social benefit:

1. economic benefits are as follows: 7.5 mu of corn and 7.5 mu of soybean are planted by taking 1 hectare as an example, the 7.5 mu of corn produces the yield of 1 hectare of common corn, the 7.5 mu of soybean is net, 3000 jin of soybean has a net profit of 6 to 9 thousand.

2. Ecological benefits are as follows: the rice bean and popcorn intercropping environment, the three-dimensional strip-shaped compound intercropping of the short crops of the tall stalks and the soybean peanuts effectively and reasonably utilizes the space structure, increases the number of corn plants in unit area, improves the land output by fertilizing through a soil testing formula, reduces the agricultural pollution, returns the whole straws to the field in situ, improves the organic matter content of the soil, increases the water and fertilizer retention capacity, more reasonably utilizes the nutrients in the soil by crop rotation of the corns and the soybean peanuts, reduces the using amount of chemical fertilizers, achieves the purposes of saving fertilizer and improving efficiency, reducing the cost, improving the soil, reducing the land pollution, also solves the problem of continuous cropping of the peanuts and the soybeans, obviously increases the soybean output, improves the quality and the output of the soybean peanuts, and really realizes the black land protection, which is a breakthrough in green agriculture.

3. Social benefits are as follows: the yield benefit is improved, and simultaneously the contradiction of too little cultivated land per capita is relieved, the yield of 1 hectare of seeds is equivalent to that of 1.5 hectare of common planting of other people, the cost is not reduced, and the yield of grains is increased; the intercropped soybean area can increase the soybean planting area for the country, thus greatly relieving the supply and demand contradiction of the soybeans; the peanut soybean and corn intercropping is cost-saving and efficient, the research and development of the comprehensive cultivation technology are promoted, the innovation of storing grains in the ground and storing grains in the technology for guaranteeing the grain safety is realized, the innovation of improving the agricultural ecological environment is realized, the demonstration and promotion strength is increased, and the contribution is made to the agricultural efficiency improvement, the income increase of farmers and the improvement of the grain yield increase capability.

In the description herein, reference to the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.