Apply micro-fertilizer should be careful

First, we must look at soil fertilization. Different soils contain different trace elements. Only by knowing that there is a certain element in the soil, it is effective to apply a certain element of fertilizer. At present, soil content can be determined according to soil parent material, soil texture, soil pH and the like. Such as boron deficiency, zinc deficiency, its boron content is less than 0.5 parts per million, zinc is less than one millionth of a fifth, it is a lack of micro-fertilizer. Before you can figure it out, you can apply it in a small area and apply it in a large area. Otherwise, if you hear about what is missing, it may be counterproductive.

Second, it should be regarded as the application of different crops. The demand for various micro-fertilizers is also different. For example, rice needs silicon; rape, legumes, etc. need boron; garlic and onion need selenium.

Third, the appropriate amount of micro-fertilizer is generally used as the base fertilizer. 100-200 grams of boron per acre, or 100-150 grams of zinc fertilizer, or 100-250 grams of ferrous sulfate, or 510 grams of copper sulfate, should not be abused.

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