The method of fertilizing sunflower, what kind of fertilizer should be used?

1. Fertilization time

The demand for fertilizer for sunflowers is still relatively high. First of all, when changing the basin, we need to use base fertilizer. Then it entered the growth stage, due to the exuberant growth, there are requirements for topdressing. After the budding stage, especially some foliar fertilizer should be applied.

II. Types of fertilizers

The base fertilizer selected is mainly some organic fertilizer, such as the feces of some animals. Topdressing mainly contains nitrogen-rich fertilizer, in addition potassium is also more important, such as urea, plant ash and so on. Foliar fertilizer can use zinc, copper, manganese and other solutions.

III. Fertilization methods

1. When the base fertilizer is used, it can be directly mixed with the matrix. If urea is used for topdressing, it can be applied with water; if plant ash is used, small holes can be dug on the surface of the soil and then applied to these pits. Foliar fertilizer is applied directly to the surface of the leaf.

2. Topdressing needs to pay attention to the interval between fertilizers, which can be controlled at about two weeks, not too frequently.

IV. matters needing attention

When the temperature is too high or too low, the sunflower may enter the dormancy stage, at this time can suspend fertilization, too much fertilizer is easy to harm itself.