1, increase the full maturity of organic fertilizer
The fresh organic farmhouse fertilizer can be applied only after it has been thoroughly cooked. The application of organic fertilizer can improve the soil structure, reduce the amount of chemical fertilizers, and reduce salt damage.
2. Promote balanced fertilization
Organic manure, NPK, and trace element fertilizers should be applied together. Appropriately reduce the amount of N and P fertilizers, supplement K fertilizer, and apply boron, zinc, molybdenum and other trace elements.
3, choose the appropriate fertilizer varieties
It is advisable to use fertilizers with less auxiliary components, not excessive use of ammonium nitrogen fertilizers and ammonium nitrate fertilizers, and promote the use of low-nitrogen and high-concentration compound fertilizers.
4, fertilization to do the right amount of ground
The amount of fertilizer should not be too much, ammonium bicarbonate is less than 25 kg/mu, ammonium sulfate is less than 15 kg/mu, urea is less than 10 kg/mu, and superphosphate is less than 25 kg/mu. When applying topdressing, apply less frequently.
5. Advocate deep application of fertilizers or trenches
This can protect fertilizer, reduce volatilization losses, reduce direct injury, can not spread fertilizer, acupuncture points from the crop more than 10 cm. It is necessary to cast a deep cover and apply water afterwards.
6, fertilizer damage, timely watering dilution
The foliar can spray Tianda 2116 or compound microbial fertilizer 500 times, the effect is better.
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