CN110972850A - Cultivation type three-cropping agricultural mode planting method for red soil rice field - Google Patents
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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- A—HUMAN NECESSITIES
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- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract
The invention discloses a cultivation type three-cropping mode planting method for a red soil rice field, and belongs to the technical field of agricultural production. The invention discloses a planting method of a red soil rice field in a three-cropping mode of culture and crop cultivation, which comprises the steps of sowing rape in the middle and the last ten days of 10 months, fertilizing for 2 times, and harvesting rape seeds in the middle and the last ten days of 4 months; mechanically ploughing, crop rotation, planting early rice in the late 4 th month, fertilizing for 3 times, and harvesting the early rice in the middle 7 th month; after early rice is harvested by a machine, mechanical rotary tillage and raking are carried out, then stubbles are planted in the middle and late 7 months for throwing and planting late rice, fertilizer application is carried out for 3 times, and the late rice is harvested mechanically in the middle and late 10 months. The invention discloses a cultivation type three-cropping farming mode planting method for a red soil rice field, which can effectively improve the yield and quality of grain and oil in a unit red soil rice field, improve the utilization rate of resources such as light, warm water, hot soil and the like in the red soil rice field, and can continuously fertilize the rice field to realize sustainable utilization.
Description
Technical Field
The invention relates to the technical field of agricultural production, in particular to a cultivation type three-cropping mode planting method for a red soil rice field.
Background
Grain and oil safety, water resource safety and ecological safety are three major problems facing the world to be solved. The population is increased and the cultivated land is reduced; climate change, water resource shortage; environmental pollution and soil degradation; is three major challenges facing the world grain and oil safety. How to fertilize soil, improve the cultivated land quality, construct a stable-yield high-yield farmland, optimize the planting structure, develop multi-cropping planting, improve the cultivated land multiple cropping index, increase the grain and oil seeding area, mainly attack single yield, realize annual recyclable continuous stable yield and high yield, solve the three major problems, meet the three major challenges, and urgently need important technologies for research and solution. The popularization and application of the red soil rice field cultivation type three-cropping system farming mode is a technical path which is practical and meets the requirements. The three-cropping-type farming mode using cultivation is a planting mode which can synchronously fertilize the rice field and realize the integration of land utilization and cultivation while producing grains and oil by using three-harvest multiple cropping indexes of 3.0 in a unit area of red soil rice field in one production year.
At present, due to the change of planting technology, grain and oil price, rural labor force, agricultural mechanization and other comprehensive factors, the red soil rice field planting mode comprises two-cropping farming modes of oil rice, fertile rice, potato rice, rice and the like, and the multiple cropping index is 2.0; and a single-cropping and single-cropping farming mode of idle rice, and the multiple cropping index is 1.0. The rice continuous cropping secondary cropping, the oil rice rotation secondary cropping and the idle rice single cropping primary cropping and other 3 farming modes in the red soil rice field have the multiple cropping index of only 2.0 or even 1.0, are idle in autumn and winter or idle in winter, and have great waste of light, warm water and hot soil resources; moreover, 2 farming modes of rice continuous cropping secondary cropping and idle rice single cropping secondary cropping are soaked in winter in idle for a long time and in winter, and paddy-upland rotation is not carried out, so that secondary submerged cultivation and submerged cultivation of soil are aggravated, and sustainable utilization of the red soil rice field and stable yield and high yield of rice are influenced. Taking Jiangxi province as an example, 2400 ten thousand mu of red soil double-cropping rice field exists at present, the idle winter field reaches about 2000 ten thousand mu, if a light and simplified using-culture type three-cropping farming mode suitable for the red soil rice field in the new era can be innovated, the idle winter field can be fully utilized, the red soil rice field is synchronously fertilized while the rice and rape production is developed, and the multiple cropping index of the red soil rice field can be greatly improved to be 3.0. Therefore, the problem to be solved by the technical personnel in the field is to provide a red soil rice field cultivation type three-cropping agricultural cultivation mode planting method.
Disclosure of Invention
In view of the above, the invention provides a cultivation type three-cropping agricultural cultivation mode planting method for a red soil rice field, which can effectively improve the yield and quality of grain and oil in a unit red soil rice field, improve the utilization rate of resources such as light, warm, hot soil and the like in the red soil rice field, and continuously fertilize the rice field to realize sustainable utilization.
In order to achieve the purpose, the invention adopts the following technical scheme:
a red soil rice field is with three ripe system farming methods of fostering type, the concrete step is as follows:
(1) sowing rape in the middle and last ten days of 10 months; fertilizing for 2 times, fertilizing the base fertilizer for 1 time in combination with soil preparation, and applying additional fertilizer for 1 time on the surface at the beginning of 1 month; harvesting rapeseeds in the middle and last ten days of 4 months;
(2) mechanically ploughing, turning crop and planting early rice in the last 4 th ten days; fertilizing for 3 times, combining 1 time of base fertilizer with field tillage and whole application, fertilizing after tillering for 1 time and fertilizing after all fields, and fertilizing after heading for 1 time; harvesting early rice in the middle 7 th month;
(3) harvesting early rice by a machine, mechanically carrying out rotary tillage and raking, and then stubbing late rice in the middle and late 7 months; fertilizing for 3 times, combining 1 time of base fertilizer with field tillage and whole application, fertilizing after tillering for 1 time and fertilizing after all fields, and fertilizing after heading for 1 time; late rice was harvested mechanically in the middle and late 10 months.
Further, the rape sowing in the step (1) is mechanical ditching (no-tillage) direct rape sowing after late rice stubble or stubble cleaning, rotary tillage, sowing, earthing, pressing, spraying and ditching integrated (the whole process of stubble connecting is mechanized) direct rape sowing.
Further, the rape sowing and fertilizing amount and method in the step (1) are as follows: n10-11kg, P per mu2O53-4kg、K2O5-6 kg and borax 1.0kg, and the medicine is applied by 2 times; the first application is combined with mechanical soil preparation, sowing and broadcasting or strip base application of 7-8kg N and 3-4kgK2O、4-5kg P2O5And 1kg of borax, the second time is applied to the N and K of the additional margin before and after 1 month of the next year2O。
Further, the application amount and the method of the early rice throwing planting in the step (2) are as follows: n9-10kg and P per mu2O54-5kg、K2O7-8 kg, applied in 3 times; the first application is 50% N, 100% P in combination with a mechanical field preparation foundation2O5And 70% of K2O, applying 20% N for the second time at the tillering stage of the early rice, and applying 30% N and 30% K for the third time at the heading stage of the early rice2O。
Further, the application amount and the method of the throwing planting of the late rice in the step (3) are as follows: n10-11kg, P per mu2O55-6kg、K2O8-9 kg, applied in 3 times; the first application is 50% N, 100% P in combination with a mechanical field preparation foundation2O5And 70% of K2O, applying 20% N for the second time at the tillering stage of the late rice and applying for the third time at the heading stage of the late riceApplying 30% N and 30% K2O。
Further, the nitrogen fertilizer is urea and a ternary compound fertilizer; the phosphate fertilizer is calcium magnesium phosphate fertilizer and ternary compound fertilizer; the potassium fertilizer is potassium chloride and ternary compound fertilizer.
Further, the rape is selected from the varieties with the winter sowing full growth period less than 190 days and the yield potential approximately equal to 150 kg/mu, specifically sunlight 131 and rich oil 730, or the rape varieties with the growth period, the yield potential and the quality similar to those of the two varieties; the rice selects high-quality early rice and late rice varieties with the full growth period less than 115 days and the yield potential approximately equal to 500 kg/mu, wherein the early rice varieties are Jiazao 311, Zhongzao 39 or early rice varieties with the growth period and the yield potential similar to those of the two varieties; the late rice variety is Wufengyou T025 and Rongyou 308 or one similar to the two varieties in growth period and yield.
The supporting technical key points of the red soil rice field cultivation type three-cropping agricultural production mode are as follows:
(1) planting rape: adopting no-tillage direct seeding or mechanized direct seeding after late rice stubble, and returning the whole amount of crushed straws to the field by a rape maturing machine;
(2) planting early rice: seedling raising and throwing planting are adopted, the seedling throwing planting age is 20-25 days, and the whole amount of the broken straws are returned to the field by a mature machine;
(3) late rice planting: seedling raising and throwing planting are adopted, the seedling throwing planting age is not more than 25 days, and the whole amount of the broken straws are returned to the field by a mature machine.
Through the technical scheme, compared with the prior art, the invention discloses and provides a red soil rice field nutritional type three-cropping agricultural mode planting method, wherein the red soil rice field nutritional type three-cropping agricultural mode technology is a rape-early rice-late rice anniversary rice oil tanker high-yield technology, and is an innovative oil rice anniversary rice tanker mode: on one hand, compared with the current main rice field mode, namely a year-round rice single-cropping one-cropping farming mode and a year-round rice-tanker farming two-cropping farming mode or a double-cropping rice continuous cropping two-cropping farming mode, the method can realize the development of rape production in a new normal state, and can directly and effectively improve the grain and oil yield and quality of a unit red soil rice field and improve the utilization rate of resources such as light, warm water and hot soil of the red soil rice field while not competing for farmland stable grain production with rice planting and improving the reseeding index of the red soil rice field from 1.0 or 2.0; on the other hand, compared with a single-cropping one-cropping farming mode of annual rice and a continuous-cropping double-cropping rice farming mode of annual rice, the method not only can change annual continuous cropping into annual crop rotation and break the rice continuous cropping obstacles, but also can continuously fertilize the rice field through paddy-upland crop rotation and nutrient operation under the condition of returning all straws to the field, thereby achieving the purpose of sustainable utilization.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1 selection of varieties of Oryza sativa in a three cropping mode for Red-soil Rice fields
The red soil rice field is cultivated in a three-cropping mode, namely a rape-early rice-late rice anniversary oil tanker mode, the rape variety is a double-low rape variety (or a rape variety with similar growth period, yield potential and quality) such as sunlight 131 and rich oil 730, the early rice is Kazao 311 and Zhongzao 39 (or an early rice variety with similar growth period and yield potential to the two varieties), and the late rice is Wufengyou T025 and Rongyou 308 (or an late rice variety with similar growth period and yield potential to the two varieties). Wherein, the crop variety selection and multiple cropping indexes of different model technologies are shown in table 1.
TABLE 1 selection and multiple cropping index of crop varieties for different model technologies
Compared with the current main red soil rice field planting mode technology, the annual unit cultivated land area multiple cropping index is improved to 3.0 from 1.0 or 2.0, the resource utilization rate of light, temperature, water, soil, gas and the like is greatly improved, the quantity of agricultural products is increased, and the self-supply guarantee of grain and oil is improved.
Example 2 stubble jointing of three cropping farming modes for red soil rice field
The technical mode of three cropping crop high yield of rape-early rice-late rice in the whole year can realize annual cycle, the rape of the current year is directly sown in a zero tillage mode (mechanical ditching) after the late rice stubble of the previous year or is directly sown in a mechanized whole stubble (stubble cleaning, rotary tillage, sowing, soil covering, pressing, spraying, ditching integration), the rape of the current year is harvested in the middle and last ten days of 4 months, the mechanical tillage rake is used for crop rotation and crop grafting in the middle and last ten days of 4 months for early rice, the mechanical rotary tillage and rake is used for harvesting the early rice, the mechanical rotary tillage and rake is used for crop grafting in the middle and last ten days of 7 months, and the late rice is harvested in the middle and last ten days of 10 months.
Taking the Nanchang area in Jiangxi province as an example, the concrete stubble connection method is that after late rice in the last year is harvested, rape in the current year is sown (directly sown) in 15-25 days in 10 months, and rapeseeds are harvested in 20-25 days in 4 months; sowing and raising seedlings of early season rice in a seedling bed at 1-5 days in 4 months, throwing and planting in a large field at 25-30 days in 4 months, mechanically harvesting paddy rice at 15-20 days in 7 months and directly returning the crushed grass to the field; sowing and raising seedlings in a seedling bed at 1-5 days in 7 months, throwing and planting in a large field at 20-25 days in 7 months, mechanically harvesting paddy rice at 15-25 days in 10 months, and directly returning the crushed grass to the field, thereby completing annual production and high yield production by using a nutritional three-cropping rice-making tanker and simultaneously fertilizing the land capability of the rice field. Wherein, the crop sowing and harvesting time points and the stubble connecting mode of the current main body red soil paddy field planting mode technology are shown in a table 2.
TABLE 2 sowing and harvesting time points and stubble-connecting mode of crops by different mode technologies
Example 3
A red soil rice field is with three ripe system farming methods of fostering type, the concrete step is as follows:
(1) sowing rape in the middle and last ten days of 10 months; fertilizing for 2 times, wherein the fertilizing amount and the fertilizing method are as follows: n10-11kg and P per mu2O53-4kg、K2O5-6 kg and borax 1.0kg, and the medicine is applied by 2 times; the first application is combined with mechanical soil preparation, sowing and broadcasting or strip base application of 7-8kg of N and 3-4kg of K2O、4-5kg P2O5And 1kg of borax for the second application in the following yearN and K of additional allowance before and after 1 month2O; harvesting rapeseeds in the middle and last ten days of 4 months;
(2) mechanically ploughing, turning crop and planting early rice in the last 4 th ten days; fertilizing for 3 times, wherein the fertilizing amount and the fertilizing method are as follows: n9-10kg, P per mu2O54-5kg、K2O7-8 kg, applied in 3 times; the first application is 50% N, 100% P in combination with a mechanical field preparation foundation2O5And 70% of K2O, applying 20% N for the second time at the tillering stage of the early rice, and applying 30% N and 30% K for the third time at the heading stage of the early rice2O; harvesting early rice in the middle 7 th month;
(3) harvesting early rice by a machine, mechanically carrying out rotary tillage and raking, and then stubbing late rice in the middle and late 7 months; fertilizing for 3 times, wherein the fertilizing amount and the fertilizing method are as follows: n10-11kg and P per mu2O55-6kg、K2O8-9 kg, applied in 3 times; the first application is 50% N, 100% P in combination with a mechanical field preparation foundation2O5And 70% of K2O, applying 20% N for the second time at the tillering stage of the late rice, and applying 30% N and 30% K for the third time at the heading stage of the late rice2O; late rice was harvested mechanically in the middle and late 10 months.
The specific fertilization types are as follows:
under the condition that the whole amount of the crushed straws harvested in the red soil paddy field is returned to the field, the nitrogen fertilizer is applied with urea and a ternary compound fertilizer, the phosphate fertilizer is applied with a calcium magnesium phosphate fertilizer and a ternary compound fertilizer, the potassium fertilizer is applied with potassium chloride and a ternary compound fertilizer, and the boron fertilizer is applied with borax more than or equal to 95.0 percent.
The specific fertilization method is as follows:
1) the red soil rice field is applied with the three-cropping mode rape stubble fertilization mode of the fostering type: the base fertilizer is applied for the first time as seed fertilizer, namely 20-27kg of compound fertilizer (containing 15 percent of nitrogen, phosphorus pentoxide and potassium oxide respectively), 8.7kg of urea (containing 46 percent of nitrogen), 1.7kg of green potash fertilizer (containing 60 percent of potassium oxide), 1kg of borax more than or equal to 95.0 percent and 1kg of direct seeding rape seeds are fully and evenly mixed and then mechanically sowed in a row or broadcast application in a field; and (3) applying additional fertilizer for the second time, namely, applying 6.5kg of urea (with nitrogen content of 46%) and 1.7kg of potassium chloride (with potassium oxide content of 60%) in a mixed manner at the end of 12 months or at the beginning of 1 month according to the soil moisture content, seedling condition and weather condition of the field without intertillage.
2) The red soil rice field is with the early rice stubble fertilization mode of three ripe system farming modes of fostering type: the first application of base fertilizer is combined with the mechanical land preparation of the field, namely 27-33kg of compound fertilizer (containing 15 percent of nitrogen, phosphorus pentoxide and potassium oxide respectively), 0-2.2kg of urea (containing 46 percent of nitrogen) and 0-2.7kg of potassium chloride (containing 60 percent of potassium oxide) are applied; applying additional fertilizer for the second time, and additionally applying 3.9-4.3kg of urea (nitrogen content is 46%) at the tillering stage of early rice according to the condition of seedlings in a field and the weather condition; the third time of topdressing is carried out on the early rice in the heading stage by mixing 5.9-6.5kg of urea (nitrogen content is 46%) and 3.5-4.0kg of potassium chloride (potassium oxide content is 60%).
3) The red soil rice field is applied with the three-cropping mode of farming of fostering type and late rice stubble fertilization mode: the first application of base fertilizer is combined with the mechanical land preparation of the field, namely, 33-40kg of compound fertilizer (containing 15 percent of nitrogen, phosphorus pentoxide and potassium oxide respectively), 0-1.1kg of urea (containing 46 percent of nitrogen) and 1.0-2.2kg of potassium chloride (containing 60 percent of potassium oxide) are applied; applying additional fertilizer for the second time, and additionally applying 4.4-4.8kg of urea (nitrogen content is 46%) at the tillering stage of late rice according to the seedling condition of the field and the weather condition; the third time of topdressing is carried out on the late rice in the heading period by mixing 6.5-7.2kg of urea (nitrogen content is 46%) and 4.0-4.5kg of potassium chloride (potassium oxide content is 60%).
Compared with the current main body mode rice continuous cropping double cropping farming mode of the red soil rice field, the nutrient type triple cropping farming mode high yield technology realizes paddy-upland rotation, the soil fertility of the rice field is fertilized, the utilization rate of nitrogen, phosphorus and potassium fertilizers applied by chemical fertilizers is greatly improved, the utilization rate of N fertilizers is improved by 3-8 percentage points, P fertilizers are improved by 3-8 percentage points2O5The utilization rate is improved by 1 to 4 percentage points, K2The O utilization rate is improved by 6-10 percent, and the effects of losing weight and saving cost are achieved; the red soil rice field cultivation type three-cropping mode agricultural technology has the advantages that the utilization rate of chemical fertilizers is improved, the fertilization mode is simplified, the fertilization times of the three-cropping mode in the whole year are kept equal to those of the two-cropping mode, the labor work is reduced, and the labor intensity of agricultural production is obviously reduced. See table 3 for details.
TABLE 3 Fertilizer utilization and fertilization patterns for different farming patterns
Under the condition that the whole amount of the crushed straws is returned to the field by a machine for planting crops in red-soil paddy fields in a year round, a cultivation type three-cropping farming mode is used, and paddy-upland rotation is adopted, so that the plough layer soil can be continuously and effectively fertilized, and the soil fertility of the paddy fields is obviously improved, and the specific table is shown in table 4.
TABLE 4 soil basic fertility status of three-cropping mode for red soil rice field
Note: the data are from a pre-test post-test site-specific comparison of one year of production.
As can be seen from table 4, after one year of growth, the basic fertility indexes of the plough layer of the paddy field in the cultivation type three-cropping farming mode are all improved by comparison before the trial, while the basic fertility indexes of the plough layer of the paddy field in the main body mode are not improved or reduced in the rice continuous cropping two-cropping farming mode and the rice single-cropping one-cropping farming mode except that the paddy field two-cropping farming mode is improved.
In the production week of a red soil rice field, the invention uses the breeding type three-cropping system farming mode, compared with the current 3 main modes, the yield of the rice is reduced by 100 kg/mu compared with the rice continuous cropping two-cropping system farming mode, but the yield of rapeseeds is increased by 100 kg/mu, the variety of agricultural products is increased, the supply of the agricultural products is enriched and optimized, and the yield value is increased by 295 yuan/mu; compared with the crop mode of two cropping crops of the oil rice crop rotation, the yield of the rice is increased by 300 kg/mu, but the rape seed is less harvested by 50 kg/mu, the income increase is more obvious, namely the yield value is increased by about 390 yuan/mu; compared with the single-cropping and single-cropping rice farming mode, the yield of rice is increased by 300 kg/mu, the income of rapeseeds is increased by 100 kg/mu, the variety and the number of agricultural products are increased, and the yield is increased by 1200 yuan/mu, which is shown in table 5.
TABLE 5 yield of agricultural products in the year of three-cropping farming mode for red soil rice field
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A red soil rice field is with three ripe system farming methods of fostering type, characterized by, the concrete step is as follows:
(1) sowing rape in the middle and last ten days of 10 months; fertilizing for 2 times, fertilizing the base fertilizer for 1 time in combination with soil preparation, and applying additional fertilizer for 1 time on the surface at the beginning of 1 month; harvesting rapeseeds in the middle and last ten days of 4 months;
(2) mechanically ploughing, turning crop and planting early rice in the last 4 th ten days; fertilizing for 3 times, combining 1 time of base fertilizer with field tillage and whole application, fertilizing after tillering for 1 time and fertilizing after all fields, and fertilizing after heading for 1 time; harvesting early rice in the middle 7 th month;
(3) harvesting early rice by a machine, mechanically carrying out rotary tillage and raking, and then stubbing late rice in the middle and late 7 months; fertilizing for 3 times, combining 1 time of base fertilizer with field tillage and whole application, fertilizing after tillering for 1 time and fertilizing after all fields, and fertilizing after heading for 1 time; late rice was harvested mechanically in the middle and late 10 months.
2. The cultivation type three-cropping farming mode planting method for red soil rice field according to claim 1, characterized in that the sowing of rape in step (1) is mechanical ditching direct sowing rape after late rice stubble or stubble cleaning rotary tillage sowing soil covering, pressing, spraying and ditching integrated direct sowing rape.
3. The method for planting red soil paddy field in the three cropping mode of cultivation in the cultivation mode of cultivation as claimed in claim 2, wherein the amount of rape sowed and applied in the step (1) is the same as the amount of rape applied: n10-11kg, P per mu2O53-4kg、K2O5-6 kg and borax 1.0kg, and the medicine is applied by 2 times; the first application is combined with mechanical soil preparation, sowing and broadcasting or strip base application of 7-8kg of N and 3-4kg of K2O、4-5kg P2O5And 1kg of borax, the second time is applied to the N and K of the additional margin before and after 1 month of the next year2O。
4. The cultivation method of the red soil paddy field with the nutrient type three-cropping agricultural production mode as claimed in claim 3, wherein the fertilizer application amount and method for the throw cultivation of early season rice in the step (2) are as follows: n9-10kg and P per mu2O54-5kg、K2O7-8 kg, applied in 3 times; the first application is 50% N, 100% P in combination with a mechanical field preparation foundation2O5And 70% of K2O, applying 20% N for the second time at the tillering stage of the early rice, and applying 30% N and 30% K for the third time at the heading stage of the early rice2O。
5. The cultivation method of the red soil paddy field with the nutrient type three-cropping agricultural production mode as claimed in claim 4, wherein the fertilizer application amount and method for the throw cultivation of the late rice in the step (3) are as follows: n10-11kg, P per mu2O55-6kg、K2O8-9 kg, applied in 3 times; the first application is 50% N, 100% P in combination with a mechanical field preparation foundation2O5And 70% of K2O, applying 20% N for the second time at the tillering stage of the late rice, and applying 30% N and 30% K for the third time at the heading stage of the late rice2O。
6. The method for planting red soil paddy field in the three-cropping mode, which is used for cultivating the rice, as claimed in claim 5, wherein the nitrogen fertilizer is urea and a three-element compound fertilizer; the phosphate fertilizer is calcium magnesium phosphate fertilizer and ternary compound fertilizer; the potassium fertilizer is potassium chloride and ternary compound fertilizer.
7. The method for planting red-earth paddy fields in the three cropping mode of agriculture according to claim 1, wherein the rape varieties are sunlight 131, rich oil 730; the early rice varieties are Jiazao 311 and Zhongzao 39; the late rice varieties are Wufengyou T025 and Rongyou 308.
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| CN110432099A (en) * | 2019-09-10 | 2019-11-12 | 江西农业大学 | A kind of double-ridged horn cropping pattern of high-yield and high-efficiency |
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