The effect of water-soluble fertilizer is doubled!
Water-soluble fertilizer has obvious advantages in improving fertilizer utilization rate, saving agricultural water, reducing ecological environment pollution, improving crop quality and reducing labor. What are the technical points of water soluble fertilizer application?
Avoid direct application
To take a second dilution. The water-soluble fertilizer has higher nutrient content than the common compound fertilizer, and the dosage is relatively small. The direct application of the fertilizer is easy to cause the roots of the seedlings and the weak seedlings, and the secondary dilution is not only beneficial to the uniform application of the fertilizer, but also can improve the fertilizer utilization rate.
Small amount of multiple application
Because of the quick-acting effect of water-soluble fertilizer, it is difficult to remain in the soil for a long time. A small amount is the most important fertilization principle, which is consistent with the characteristics of uninterrupted nutrient absorption by plant roots, and reduces the leaching loss caused by one-time large-scale fertilization. Generally, the amount per acre is 3 to 6 kg.
Pay attention to nutritional balance
Water-soluble fertilizers are generally applied by pouring, spraying, or mixed into water and applied with irrigation. It should be reminded that when using drip irrigation, due to the dense growth and large amount of crop roots, the dependence on soil nutrient supply is reduced, and more depends on the nutrients provided by drip irrigation. If the water soluble fertilizer formula is not balanced, it will affect crop growth. In addition, water-soluble fertilizer should not be applied with traditional irrigation methods such as flood irrigation or irrigation, to avoid fertilizer waste and uneven application.
Combined with the application of water-soluble fertilizer as a quick-acting fertilizer, it can only be used as a top dressing. Especially in conventional agricultural production, water-soluble fertilizer is not a substitute for other conventional fertilizers. It is necessary to combine the basic fertilizer with the topdressing fertilizer, the combination of organic fertilizer and inorganic fertilizer, and the combination of water-soluble fertilizer and conventional fertilizer in order to reduce the cost and exert the advantages of various fertilizers.
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