In agricultural production, it is often practicable to obtain higher benefits with less investment. One of the methods is economic fertilization. Farmers with better conditions also adopt higher input and higher output methods to obtain higher benefits. The same purpose of both methods is cost effective.
In agricultural fertilization measures, one of the commonly used means to achieve economically effective goals is to mix fertilizers with organic fertilizers.
What are the benefits of mixing chemical fertilizers with organic fertilizers? First, it can improve the comprehensive effect of fertilizer. When the chemical fertilizer is mixed with the organic fertilizer, the organic fertilizer can be promoted to be more mature and the nutrients can be released faster. Organic fertilizers can also adsorb chemical fertilizers, especially superphosphates and trace elements that are easily fixed or easily lost by the soil, thereby increasing the utilization rate of fertilizers. Second, it can increase the nitrogen nutrition of crops. After the organic fertilizer with calcium phosphate, calcium magnesium phosphate, or mixed, the soil can promote the growth of any original Azotobacter, Rhizobium can also promote better growth of leguminous crops, help to improve the nitrogen levels on crops. In addition, organic fertilizers have high organic matter content and relatively complete nutrients, which can improve soil and supply nutrients continuously. Third, it can alleviate the fertilizer damage caused by single application of chemical fertilizer or chemical fertilizer and the neutralization of soil acidification. The nutrients that are beneficial to the roots of the crops maintain a good balance. The fourth is to enable quick-acting fertilizers and slow-acting fertilizers to be combined quickly and slowly, with complementary advantages, strengths and weaknesses, and effective supply. Fifth, it can purify the living environment of humans and crops, and also make the application of fertilizer safe, economical and effective. Fertilizers that can be mixed with organic fertilizers include superphosphate, phosphate rock, copper slag, and urea.
There are many advantages to mixing fertilizers with organic fertilizers, but misuse can also be a mistake. Therefore, pay attention to the following points in the mixed technology:
1. The fermented organic fertilizer cannot be mixed with the alkali fertilizer because the ammonium fertilizer in the ammonium state is easily volatilized;
2 , when the mixed organic fertilizer is mixed with neutral or acidic fertilizer, it should be used with the mixture;
3. Fertilizers of nitrate nitrogen should not be mixed with unfertilized organic fertilizers, and nitrogen is easily volatilized by denitrification;
4. Fresh grasses and straws should not be mixed with nitrogen fertilizers to prevent nitrogen from being absorbed by microorganisms and become slow-fertilizers.
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