How to deal with low fertilizer utilization rate

    The low utilization rate of chemical fertilizers is mainly due to improper fertilization methods. To resolve this issue, the following actions should be taken:

 

    According to the production target, do a good job of balanced fertilization

 

    Within a certain range of fertilization, crop yield is positively correlated with fertilization. If the total amount of fertilization or the amount of single fertilization is too much, the ecological balance will be lost due to the nutrient environment, which will lead to a reduction in production. Therefore, it cannot be said that the fertilizer output will be high. When determining the amount of fertilizer applied, factors such as climate, soil, and fertility should also be considered.

 

    Adhere to deep fertilization, to achieve water fertilization

 

    In production, it is necessary to adhere to the deep application of chemical fertilizers in order to protect the fertilizer with soil cover and reduce volatilization and loss. When the sensation is insufficient, it is necessary to properly irrigate the water and adjust the water to adjust the fertilizer.

 

    Mix organic fertilizer to enhance absorption capacity

 

    After mixing chemical fertilizers with organic fertilizers, the available nutrients can be adsorbed or combined by organic fertilizers, and then gradually released, which not only prolongs the time of fertilizer supply, but also reduces the unnecessary consumption of nutrients.

 

    Improve fertilizer preparations and regulate peak fertilizer supply

 

    The first is to make a single-type fertilizer into a broad-spectrum compound fertilizer; the second is to make special fertilizer according to the fertilizer characteristics of the crop; the third is to use the modified means to make the quick-release fertilizer into slow-release fertilizer; the fourth is to use inorganic fertilizer. Granular fertilizers with complementary advantages of bio-organic fertilizers, early or delayed application time, so that the peak of fertilizer demand and fertilizer supply can be linked to each other to fully exert fertilizer efficiency.

 

    (Li Hui)

 

 

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April 03, 2020