Agricultural Foliar Fertilizer

Agricultural foliar fertilization is an important way for plants to supplement nutrients, which makes up for the lack of nutrient absorption by roots, but agricultural foliar fertilization can not replace soil fertilization.

Agricultural foliar fertilizer can be used in the following situations:

1. The basic fertilizer is insufficient, and the plant is de fertilized;

2. The root system of the plant was seriously damaged and the root growth was weak;

3. Plants need to recover quickly from a deficiency of nutrients;

4. In the process of flower cutting propagation;

5. Deep rooted flowers.

This product should use more soluble fertilizer. Nitrogen fertilizer mainly includes urea, ammonium sulfate and ammonium nitrate, phosphorus fertilizer such as calcium superphosphate, potassium dihydrogen phosphate and ammonium phosphate, potassium fertilizer such as potassium nitrate and potassium sulfate, as well as ferrous sulfate, zinc sulfate, manganese sulfate, copper sulfate, borax or boric acid, ammonium molybdate and other trace elements.

Application method:

1. Spraying concentration:

Different kinds of flowers need different amounts and concentrations, which must be mastered in the process of use to avoid drug damage or other abnormal phenomena. Urea is 0.1% - 0.5% for seedling, 0.2% - 1% for herbaceous flowers and 0.5% - 1% for woody flowers; Ammonium sulfate is generally 0.1% - 0.2%; 1% for ammonium nitrate; Calcium superphosphate is 0.5% - 1% for herbaceous flowers and 2% - 5% for woody flowers; Potassium dihydrogen phosphate 0.1% - 0.2%; 0.2% - 0.5% for ferrous sulfate. Trace elements are generally used between 0.01% - 0.5%.

2. Application time and environmental requirements:

The fertilizer solution sprayed on the leaf surface must be kept moist for a certain time before it can be absorbed into the cuticle of the leaf through the leaf surface, and play its role as a nutrient source on the periphery of the cuticle and protoplast membrane in a solution state. Avoid high temperature, strong light, dry, rainy days and other environments, and generally apply it in the morning or before the evening. When spraying, pay attention to the positive and negative sides of the blade and spray evenly.

In addition, the spraying concentration of agricultural foliar fertilizer must be well controlled. Excessive concentration will cause leaf damage. Foliar fertilizer can also be applied in combination with hormones. At the same time, it should be recognized that foliar fertilizer is auxiliary and can not replace root fertilization. It should be used in combination with root fertilization.

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