How to apply fertilizer to fertilizers in crop cultivation
Fertilizers are widely used in vegetable production because of their good root-promoting effects. However, because it is a routine measure, some vegetable farmers are very casual in application, so the occurrence of seedling damage often occurs in production.
There are three common mistakes: First, the fertilizer is applied to the planting hole and the vegetable seedlings are directly planted, so that the fertilizer directly contacts the root system. Second, the choice of fertilizer can not be applied. Third, the amount of one-time application is too large.
How to avoid the same problem happening again?
First, the choice of fertilizer should be reasonable. It is best to choose chemical fertilizers such as compound fertilizers, especially some fertilizers with strong irritant or strong volatility such as ammonium bicarbonate or ammonium sulfate and diammonium.
Secondly, before the planting, the fertilizer or the medicament is applied to the planting hole in advance, and the fertilizer or the agent is thoroughly mixed with the soil to avoid direct contact between the fertilizer or the agent and the root, and the fertilizer or the phytotoxicity occurs.
Again, since the point of fertilization is close to the root system, the application amount must be controlled well, and it is better to apply less. Apply fertilizer to the hole. Under normal circumstances, the amount of biological fertilizer applied to each hole can be 30-50 grams; the agent such as Fumei double mixed plus carbendazim, 1 gram per hole.
In addition, if the hole is first replanted after fertilization or medicine, the possibility of occurrence of fertilizer or phytotoxicity is even smaller.
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