Scientific and rational application of potassium fertilizer plays an important role in cultivating robust seedlings, improving disease resistance, insect resistance, lodging resistance and seed setting rate, and capturing high yield and stability. The following is a key period for the use of potash for the reference of rice farmers.
The key period: 1. Apply potassium fertilizer in the seedling stage, and apply it as a base fertilizer for seedlings. 2. Apply potassium fertilizer during the tillering period. 3. In the differentiation stage of young spikes, the potassium fertilizer should be applied according to the growth of the early stage of rice. 4. The application of potassium fertilizer in the booting, milk ripening and yellow ripening period together with the new high-fat membrane can help the plant to absorb a large amount of light fertilizer, light energy, light, compatible with conventional fertilizers and nutrients to supply plant growth and development to the limit. .
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