Reasonable application of water soluble fertilizer

A small number of attention to balance

A small amount of water soluble fertilizer is the most important principle of fertilization, consistent with the characteristics of the plant roots to continuously absorb nutrients, reducing the leaching loss caused by a large number of one-time fertilization.

Water-soluble fertilisers are usually applied, applied or applied through irrigation equipment. Especially under drip fertigation conditions, the roots grow densely and have a large amount. At this time, the nutrient supply dependence of the soil is reduced, and more dependent on the nutrients provided by drip irrigation. There is a higher demand for a reasonable ratio and concentration of nutrients. If the formula is not balanced, it will affect crop growth.

Reasonable irrigation to avoid excessive

In terms of the amount of irrigation, it is generally possible to keep the root depth moist. The depth of the root layer varies greatly depending on the crop. You can use the shovel to dig the soil at any time to understand the depth of the root layer. Excessive irrigation is not only a waste of water. It is serious that the nutrients leaching down to the roots, waste of fertilizer, and crop production. In particular, urea and nitrate nitrogen fertilizers are easily lost with water. When applied in combination with other fertilizers, usually the water soluble fertilizer is only top dressing. Do not use water-soluble fertilizers instead of other fertilizers. Use them in combination to reduce costs and take advantage of various fertilizers.

Drip irrigation fertility matters needing attention

First of all, when drip irrigation and fertilization, first drop water, and then start fertilizing after the pipes are filled with water. Immediately after the completion of fertilization, water is dripped for 20 to 30 minutes, and all the remaining fertilizer in the pipeline is discharged. Second, long-term use of drip irrigation in greenhouses or greenhouses will cause surface salt accumulation, affecting root growth. Irrigation under the membrane can be used to inhibit salt migration to the surface. Third, pay attention to the uniformity of fertilization. Drip fertilization in principle, the slower the better the fertilization. Especially for elements with poor mobility in the soil, prolonging fertilization time can greatly increase the utilization of difficult-to-shift nutrients.

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