Fertilization and irrigation method for promoting rice glumous flower differentiation and reducing degradation
A technology for rice and spikelets, which is applied in the field of fertilization and irrigation for promoting the differentiation of rice spikelets and reducing degradation, to achieve the effects of promoting differentiation, carbon and nitrogen balance, and promoting root growth and development.
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[0026] Embodiment: A kind of fertilization and irrigation method that promotes rice spikelet differentiation and reduces degeneration
[0027] Include the following steps in order:
[0028] In the first step, before the rice is transplanted, the rice base fertilizer is applied to the paddy field, and the total nitrogen content of the rice base fertilizer is controlled at 90-100 kg / ha. The rice base fertilizer is composed of a mixture of inorganic fertilizer and organic fertilizer, wherein organic The nitrogen content of the fertilizer accounts for 60-70% of the total nitrogen content of the rice base fertilizer, and the nitrogen content of the inorganic fertilizer accounts for 30-40% of the total nitrogen content of the rice base fertilizer;
[0029] In the second step, after transplanting, measure the SPAD value of the leaves with a chlorophyll meter at the early tillering stage, the 4-leaf stage, and the 2-leaf stage, and determine the amount of nitrogen application accordin...
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