Double-cropping no-tillage seedling-throwing straw-to-farmland rice high-yield and high-efficiency production method
A production method, rice straw technology, applied in rice cultivation, fertilization methods, botanical equipment and methods, etc., can solve the problems of high labor intensity of plowing, easy stiff seedlings of rice, slow nutrient transformation, etc., to reduce labor production strength, reduce soil erosion, reduce labor effect
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Embodiment 1
[0037] Choose Wanlong Village, Ganshan Town, a double-cropping rice production area in Changsha County, Hunan Province, with about 50 mu of secondary gleization rice fields (Pangquan Fields). The early rice seedlings were tossed on a floppy disk on April 24. When the seedlings were tossed, the seedlings had 4.0 leaves, and 28,000 plants were tossed per mu. mu, add ammonium bicarbonate 15kg / mu, and topdress urea 10kg / mu after throwing seedlings for 12 days. Other management is the same as the routine management of early rice. The average yield of early rice is 425kg / mu. Leave 50cm of stubble for early rice harvesting, mix the straw and return it to the field, treat the straw with a straw decomposing agent within 1 to 2 days after harvest, and spray the herbicide paraquat to weed and stubble. The late rice was tossed on a floppy disk on July 14. When the seedlings were tossed, the seedlings had 4.0 leaves, and 18,000 plants were tossed per mu. The late rice variety was Zhunlia...
Embodiment 2
[0039] Choose Baishu Township, Zhentou Town, a double-cropping rice production area in Liuyang City, Hunan Province, with about 30 mu of gleated rice fields (cold-soaked fields). Early rice seedlings were tossed on a floppy disk on April 24. When the seedlings were tossed, the seedlings had 4.0 leaves, and 30,000 plants were tossed per mu. mu, add ammonium bicarbonate 10kg / mu, and topdress urea 10kg / mu 12 days after throwing seedlings. Other management is the same as the routine management of early rice. The average yield of early rice is 416kg / mu. Leave 50cm of rice stubble after harvesting early rice, return part of the burned rice straw to the field, and spray glyphosate herbicide within 1 to 2 days after harvest to kill weeds. The late rice was tossed with soil on July 20. The seedlings had 4.5 leaves and 20,000 plants per mu. The late rice variety was Fengyuanyou 299, and Xingxiang compound fertilizer (12-6-7 ) 50kg / mu, add ammonium bicarbonate 10kg / mu, topdress urea 1...
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