Fertilizer special for paddy rice

A special fertilizer and rice technology, applied in the field of mixed fertilizer in agricultural production, can solve the problems of abnormal ripening, easy lodging, phosphorus and zinc imbalance, etc.
CN1151100CInactive Publication Date: 2004-05-26王鸿庆
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
王鸿庆
Publication Date
2004-05-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

A special fertilizer for paddy rice is prepared from N fertilizer, P fertilizer and zinc sulfate through mixing and granulating. It contains N (17-20%), P2O5 (7-10%) and Zn (0.22-1.1%). Its advantages are durable fertility, and high utilization rate.
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Description

technical field

[0001] The invention relates to the field of mixed fertilizers in agricultural production, in particular to a special fertilizer for rice. Background technique

[0002] At present, rice fertilization is mostly based on conventional elemental fertilizers such as urea, ammonium bicarbonate, and diammonium phosphate. The use of these elemental fertilizers has brought serious problems in agricultural production, such as partial application of chemical fertilizers and unbalanced nutrient supply, and cannot fully meet the needs of farmers. Nutrients required at various stages of rice production. If too much nitrogen fertilizer is applied, the rice seedlings will mature late, the vegetative growth cycle will be prolonged, the reproductive growth time will be delayed, they will not mature normally, and they will be prone to lodging, and various diseases, especially rice blast, will be serious; Zinc imbalance inhibits the absorption of zinc by rice, and leads to the ...

Claims

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