Can organic fertilizer be used together with phosphate fertilizer? Farmers know that organic fertilizer is a good thing and is generally used in combination with chemical fertilizers. However, after long-term experiments, agricultural experts believe that organic fertilizer can be combined with nitrogen fertilizer, but it should not be combined with phosphate fertilizer. Organic fertilizers are directly derived from animals and plants and generally do not contain synthetic chemicals. They are considered to be the preferred high-quality fertilizer for the production of pollution-free agricultural products.
However, organic fertilizer is not perfect, and the low nutrient content is its biggest disadvantage. For example, the total nitrogen content of 50 kg of soil manure is not as good as 0.5 kg of urea. Because of this, its yield-increasing effect is far from being comparable to chemical fertilizers. Another disadvantage of organic fertilizers is the imbalance of nutrients, most notably nitrogen and phosphorus. Crops generally require more than three times as much nitrogen as phosphorus, but investigations have shown that the total nitrogen content of the pig pens in the padding soil is 0.1%, the total phosphorus content is 0.21%, the phosphorus is twice as high as the nitrogen, and the nitrogen content is significantly lower. Crop demand, and phosphorus content is significantly higher than crop demand.
Therefore, in order to give full play to the role of organic fertilizer, it is necessary to cooperate with chemical fertilizers. However, because the nutrients of organic fertilizers and crops need to be unbalanced, organic fertilizers are not compatible with all fertilizers. In actual production, organic fertilizer and nitrogen fertilizer can be applied at the same time to supplement their nitrogen deficiency, but it is not suitable to be combined with phosphate fertilizer, so as to avoid the rich phosphorus contained in organic fertilizer itself and reduce the effect of phosphate fertilizer.
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