Quantitative fertilization method for rice
2019-02-25 21:14:28
The quantitative fertilization plan for rice is: 10-15 kilograms of nitrogen per acre, and phosphate fertilizer should not exceed half of nitrogen fertilizer. Potash is about 5 kg in the north and about 10 kg in the south. The fertilization package plan is: All phosphorus and potassium fertilizers are used as base fertilizer (partial potassium fertilizer can also be used as early fertilizer in the south), about 50% of nitrogen is used as base fertilizer, and the other nitrogen is used as top dressing, respectively, about 7 days after transplanting, and jointing and booting stage. Application. The proportion of top dressings in the two phases depends mainly on the length of rice growing period, with early rice being 2/3 and 1/3 respectively; medium rice about half each; late rice being 1/3 and 2/3 respectively, and applying nitrogen fertilizer after heading. Keep in mind that the actual amount of fertilizer applied is equal to the amount of nutrient applied divided by the nutrient content of the fertilizer.
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