Three methods of applying basal fertilizer. Which fertilizers can be used as basal fertilizer?

The role of basal fertilizer

Basal fertilizer is the fertilizer applied simultaneously with soil plowing and harrowing before sowing, also called base fertilizer .

The application of basal fertilizer has two main functions: one is to improve soil fertility and soil quality, thus creating good soil conditions for crop growth and development; the other is to continuously provide nutrients for crop growth .

What fertilizer is suitable for base fertilizer?

The types of fertilizers used for base fertilizers should be mainly organic fertilizers and slow-release fertilizers , such as manure, compost, phosphate rock powder, etc., which are all stable and slow-release fertilizers. Phosphorus and potassium fertilizers can also be used as base fertilizers and applied together with organic fertilizers.

Quick-acting nitrogen fertilizer should not be used too much as basal fertilizer to avoid nutrient loss and nutrient pollution of water sources. At the same time, this type of fertilizer can easily cause excessive growth in the early stage of the composition, making it susceptible to diseases and insect damage.

Effective method of applying basal fertilizer

1. Spreading

That is, before sowing crops, fertilizer is evenly spread on the surface and then plowed into the soil. This fertilization method is suitable for crops with high planting density, such as wheat and rice.

Features : This method has low labor intensity and is evenly mixed with the tillage layer of soil, which is beneficial to improving the soil's fertilizer supply capacity and increasing soil fertility.

2. Strip and hole application

It refers to the process of combining land preparation, bed making, furrowing or hole digging before sowing, applying fertilizer to the soil, and then clarifying the soil for sowing. It is suitable for row sowing or spot sowing of crops.

Features : This method belongs to concentrated fertilization. It should be noted that the amount of fertilizer should not be too large to avoid burning seeds and seedlings due to excessive local fertilizer concentration. The organic fertilizer applied should be fully decomposed.

3. Separate fertilization method

According to the properties of the fertilizer used and combined with deep plowing, apply long-acting fertilizers to the lower layer and quick-acting fertilizers to the upper layer. Fertilizers in each layer should be evenly distributed.

Features : This fertilization method can meet the nutrient needs of crop root growth, and is more effective for crops with long growth periods and deep roots.