Control the dosage and concentration, and strive to apply evenly. The amount of trace elements required for grapes is very small, and the concentration range of many trace elements from lack to appropriate amount is very narrow. Therefore, the application of trace element fertilizers must be strictly controlled to prevent excessive concentration, and application must be uniform.
It is applied according to the status of trace elements in the soil. In different types and different textures of soil, the effectiveness and content of trace elements are different, and the effect of applying trace element fertilizers is also different. When applying micro-fertilizer, it should be rationally applied according to the status of trace elements in the soil.
Pay attention to improving the soil environment. While supplementing trace element nutrients, we must pay attention to improving soil environmental conditions. For example, acid soil can be adjusted by applying organic fertilizers or applying appropriate amounts of lime and other measures to adjust soil acidity and alkalinity and improve the nutritional status of soil trace elements.
Pay attention to the application with a large number of element fertilizers and organic fertilizers. Only under the premise of satisfying the grape needs for a large number of elements nitrogen, phosphorus, potassium, etc., the trace element fertilizer can show a significant yield increase effect. Application of organic fertilizers can adjust soil environmental conditions and achieve the purpose of improving the effectiveness of trace elements. The combined application of organic fertilizer and inorganic micro-fertilizer should be an important measure for the management of soil trace element nutrients in agricultural production in the future.
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