Microelement Fertilizer

- Sep 22, 2017 -

Trace elements include boron, zinc, molybdenum, iron, manganese, copper and other nutrients. Although plants have little need for trace elements, their effects on the growth and development of plants are as important as that of a large number of elements, and when a certain trace element is deficient, the crop growth and development is affected obviously, the yield is reduced and the quality is decreased. On the other hand, excessive trace elements can make crops toxic, light affects yield and quality, and even endanger the health of animals and humans when serious. With the increasing of crop yield and the application of fertilizer, the application of microelement fertilizer is becoming more and more urgent. In the microelement fertilizer, iron, manganese, zinc, copper sulfate, boric acid, molybdate and its one valence salt are usually used more.
Chemical fertilizers are usually divided into two kinds: constant element fertilizer and microelement fertilizer. What are constant element fertilizers? Constant element fertilizer is a large amount of fertilizer consumed by crops, such as nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, calcium, magnesium and sulphur fertilizer.
Microelement fertilizer, usually referred to as micro-fertilizer. Refers to fertilizers containing micronutrients, which are less absorbed by crops (as opposed to constant element fertilizers). Although there are few requirements for trace elements in crops, they are as important to crops as constant elements and cannot be substituted for each other. The application of micro-fertilizer should be based on nitrogen, phosphorus and potash fertilizer. At the same time, in different levels of nitrogen, phosphorus and potassium, the reaction of crop to trace element is not the same. Generally speaking, low yielding soil is prone to lack of trace elements, and with the increasing of yield level, the need of crop to trace elements will increase correspondingly. Therefore, the application of micro-fertilizer must be made, but it is also wrong to try to reduce the amount of fertilizer, but only by increasing the application of micro-fertilizer.
Micro-fertilizer is a lot of scientific experiment and research, it has been proved that there are some biological significance of the plant normal growth and development of the essential micronutrients, in agriculture as a fertilizer application of chemical products, such as boron fertilizer, zinc fertilizer, manganese fertilizer, molybdenum fertilizer, copper fertilizer, iron fertilizer, cobalt fertilizer are micro-fertilizer. These trace elements account for the percentage of dry weight of the body: Manganese 0.05%, Iron 0.02%, zinc 0.01%,
Boron 0.005%, copper 0.001%, molybdenum 0.0001%. Any of the available trace elements in the soil are deficient in supply, the crops will have special symptom, the yield is reduced, the quality is decreased, even the harvest is hopeless. Perhaps someone asked, since the micro-fertilizer is so important, but in production has not applied micro-fertilizer.

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