First, we must ensure high-quality organic fertilizer. In production, it is necessary to build and select high-quality, pollution-free organic fertilizer and fully decompose. If you need to buy commercial organic fertilizer, you should choose the products of regular large manufacturers.
Second, we must strictly control the amount of fertilizer. Under normal circumstances, the control amount of organic fertilizer per mu per season is 1500-2000 kg of pure chicken manure or 50-100 kg of high-quality cake fertilizer, and 3500-4000 kg of high-quality human and animal manure or soil and miscellaneous fertilizer are fully decomposed. Fruit and tuber vegetable crops require a large amount of fertilizer, and the upper limit can be selected, while leafy vegetable crops require a relatively small amount of fertilizer, and the lower limit can be selected.
Third, we must cooperate with the application of biological fertilizer. The biological bacteria in the biological fertilizer can accelerate the decomposition of organic matter in the organic fertilizer, making it more conducive to crop absorption, and at the same time can decompose and transform the harmful substances in the organic fertilizer to avoid damage to the crop. Generally, when applying organic fertilizer in the base, 150-200 kg of bio-fertilizer can be applied per acre; for topdressing, 20-25 kg of bio-fertilizer per acre can be applied at a time.
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