Method for inter-planting rice in wheat field with ultra-high stubble

A planting method and wheat field technology, applied in botany equipment and methods, rice cultivation, plant cultivation, etc., can solve the problems of high labor intensity and ineffective use of harvested straw, so as to protect the environment, promote sustainable development, save The effect of cultivated land

Inactive Publication Date: 2017-08-18
崇州市隆兴镇千禾农机服务专业合作社 +1
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AI-Extracted Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method for interplanting rice in a super-high stubble wheat field, which can solve the probl...
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Method used

After wheat field interplanting paddy, by staying high stubble during harvesting, then most of wheat straw is buried in moisture ditch, has realized the full amount of wheat straw returning to the field, can improve soil like this, promote agricultural sustainable development, can avoid again the farmer Open-air burning of straw avoids environmental pollution; since there is no ...
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The invention relates to the technical field of agriculture planting, and discloses a method for inter-planting rice in wheat field with ultra-high stubble. The method comprises the steps that in the middle-late grain-filling stage of wheat, treated rice seeds are sown on the surface of the wheat field in a broadcast mode, when the wheat is harvested, about 30 cm of high stubble is reserved, and after the wheat is subjected to threshing, straw is scattered on the spot or buried into dead furrows nearby; the method further comprises the step of field management of wheat harvest, such as water management, fertilizer management, chemical weed control and disease and insect control. By means of the method, all wheat straw returning is achieved, soil can be improved, agricultural sustainable development can be promoted, and the situations that farmers burn the straw in the open air and environments are polluted are avoided; besides, the land does not need to be cultivated and no machines are needed to transplant rice seedlings so that the fuel consumption of the machines can be reduced; compared with common rice direct sowing, the cultivated land is saved.

Application Domain

Technology Topic

FertilizerGrain filling +9


  • Experimental program(1)

Example Embodiment

[0027] Preparatory work includes the selection of the first crop field and improved varieties:
[0028] The requirement of the previous crop field is that the wheat field can be irrigated and drained in time and the field surface is level. Carefully control the weeds in the previous crop, and ban chlorsulfuron and metsulfuron-methyl herbicides in wheat field chemical industry to avoid damage to interplanted rice seedlings. In the set of rice fields, a 30 cm wide and 10 15 cm deep trench is opened every 2.5 to 3 meters, and the soil is cultivated on the ridges on both sides to ensure that it can be irrigated and drained. It is advantageous for the full amount of straw to be returned to the field. The leaves of weeds help the seeds to land. After the wheat turns green, apply a no-deep tillage soil conditioner to loosen the soil.
[0029] The requirements for selection of improved varieties are: rice varieties with strong tillers, well-developed root systems, suitable growth period, large panicle shape, disease resistance (mainly resistance to rice stripe disease), and strong stress resistance should be selected for inter-rice in wheat fields. Nanjing 9108", "Wuyunjing 24" and so on.
[0030] A method for interplanting rice in a super-high stubble wheat field is to sow the treated rice seeds on the surface of the wheat field in the middle and late stages of wheat filling. The rice planting method includes the following steps:
[0031] (1) Before sowing, soak the seeds with 10% Seed Soaking Spirit, soak the seeds day and night, to ensure that about 70% to 80% of the seeds are exposed and white when sowing.
[0032] Root bud
[0033] (2) In the middle and late stage of wheat filling (3~5 days after wheat harvest), sowing, 5~7kg/mu, the thick mud should be broken on the day of sowing.
[0034] Mix the breast rice seeds, add dry fine soil and knead into a granular shape, sift off the excess fine soil, share it according to the border area, and evenly spread the seeds to the wheat field;
[0035] (3) Irrigate the field in the evening after sowing in time until the high piers of the wheat field are completely submerged in the water and drained quickly to ensure the second day
[0036] There is no accumulation of water in the field before sunrise;
[0037] (4) Smoke and cure Laodelphax striatellus before wheat harvest. Choose fine weather and use poisonous soil to control Laodelphax striatellus 7-10 days before wheat harvest.
[0038] The method is to mix 80% dichlorvos with moistened fine soil, and after there is no dew on the leaves, uniformly spread poisonous soil on the field and surrounding ridges and ditches to eliminate insect sources and prevent rice stripe leaf blight;
[0039] (5) When harvesting wheat, the harvester is equipped with a straw crushing and dispersing device, leaving the stubble 20-30cm and crushing the straw randomly
[0040] Fall in the wheat field to form a layer of straw; during machine harvesting, in addition to the field, try to reduce the repeated rolling of the machine in the intercropping rice field. The height of the machine-retained stubble is generally 20-30cm; the day after machine-harvesting to the morning of the second day, Immediately irrigate and moisten for about 5 days, which can effectively avoid drought or drowning of the rice seedlings at the early stage of stubble; take advantage of the moist field and apply urea 75-112.5kg/mu as early as possible; later transition from full ditch water to thin layer, adopt shallow water frequent irrigation , Properly open the field to promote seedling growth and tillering;
[0041] (6) Field management after wheat harvest, including water slurry management, fertilizer management, chemical weeding, and pest control. among them
[0042] Water slurry management includes flooding in the evening of the day of planting, so that the wheat field borders are completely submerged, and the soil should be drained quickly after the soil is fully soaked to ensure that there is no accumulation of water in the borders and ditch in the morning of the second day; follow the principle of applying a small amount of fertilizer for multiple times. Pure nitrogen is applied during the whole growth period, among which tillering fertilizer accounts for 70%, and the ear fertilizer is mainly used to promote flowering; for chemical weeding, 75~100g of benzyl dichloride (special for wheat field interplanting rice) is used for spraying 15 kg of water, interval 1 Establish a thin water layer (not to submerge the heart of the seedlings) and keep it for 3 days. After 7 to 10 days, for a small amount of weeds that have missed spraying, use 150 g of Inaki per acre to add 20 kg of water. Pay attention to spray when there is no water in the field, and repeat spray when there is more or large grass. One day later, a thin water layer is established, supplemented by manual weeding (weedy rice) if necessary.
[0043] With the development of the rural economy, the decline in the comparative benefits of agriculture, the massive transfer of agricultural labor, and the expansion of agricultural operations, this method has gradually become an important constraint on the development of agriculture and the improvement of agricultural labor productivity due to its high labor intensity and labor intensive labor. One of the factors. The ultra-high stubble wheat field interplanting rice with the goal of saving labor, cost and labor, meets the needs of continuous agriculture and high-quality production, and meets the needs of banning straw burning, environmental protection and ecological agriculture. It is more and more popular by government departments at all levels and farmers. It is the attention of large farmers, and the promotion and application has practical and long-term significance. With this method, the average yield of rice is 9000kg/mu, and the highest is 10875kg/mu, which is the same as or slightly higher than that of conventional transplanted rice.
[0044] After interplanting rice in the wheat field, by leaving high stubbles during harvesting and burying most of the wheat straw in the moist ditch, the full amount of wheat straw is returned to the field, which can improve the soil and promote the sustainable development of agriculture, and it can also prevent farmers from burning straw in the open. , Avoid environmental pollution; because there is no need to cultivate the land and mechanically transplant seedlings, it can save mechanical fuel consumption and protect the environment. Planting one acre of rice requires about 0.15 acres of seedling ponds to raise seedlings, but this method does not need to raise seedlings, it saves the seedling area and can directly plant wheat or rape, saving arable land.
[0045] The above are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present invention fall into the scope of the present invention. Within the scope of protection.
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