The normal growth and development of crops require multiple trace elements. The lack of any one of them will affect the normal development and growth of crops. When they are severely lacking, they will even die. Various elements are important to crop growth and cannot be substituted for each other. After a large number of nitrogen, phosphorus and potassium fertilizers are added to the fields, we must pay attention to the physiological performance of the crops and timely determine the deficiency of the crops. Only a small amount of trace elements can meet the normal growth needs of the crop. However, the critical range of various trace elements from the lack to the excess is very small. A slight lack or excess can cause serious damage to crops. Therefore, the application of trace element fertilizer should be very careful, should pay attention to the following points: Do not overspray fertilizer solution or sprinkle fertilizer particles, must be uniform, and avoid repeated application; concentration not higher than the specified concentration, if you really need high concentration , to not exceed 20% of the specified concentration.
Applying organic fertilizers to increase organic fertilizers has three benefits for micronutrients:
The first is to increase organic acids in the soil so that trace elements are available;
The second is to reduce the toxicity of trace fertilizer when the amount of trace fertilizer is excessive;
Third, there are many trace elements in the organic fertilizer itself. Fertilizers with a large amount of elemental fertilizers must show obvious effects of promoting ripening and increasing yield under important conditions such as nitrogen, phosphorus, and potassium. If a large amount of trace elements are sufficient and a large number of elements remain constant, a large number of elements will become The limiting factors that promote ripening production. It is generally not prone to micronutrient deficiencies under the conditions of rational crop rotation and fertilizer applicator fertilizers for the purposeful application of microfertilizer field crops. Therefore, the application of trace fertilizer must be targeted, and it is necessary to apply it due to crop application. For perennials (fruit trees), etc., and lots of continuous plots (protected vegetables, etc.). Pay attention to the lack of performance. The abundance of an element in a region must be determined through analysis and experimentation so that the targeted micro-fertilizer can be applied in order to achieve the purpose of promoting ripening and increasing production.
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