When is the best time for rice to apply foliar fertilizer?

Foliar fertilizer is a supplement for plants to absorb nutrients, and it is an indispensable one in the planting process of many crops. When is the best time for rice to apply foliar fertilizer? How do you play?

When is the best time for rice to apply foliar fertilizer?

Generally speaking, it is the best to spray foliar fertilizer at the stage of big embryo, initial heading, grain filling and full heading of rice. Among them, the heading and flowering stage should be carried out before flowering in the morning and after 4 o'clock in the afternoon, while the large tire and grain filling should be carried out before 11:00 and after 4 o'clock in the afternoon on a sunny day.

How to fertilize the foliage of rice?

1. Rice foliar fertilizer 35g with water 15-20kg (different brands with different water), dissolve and stir fully, pay attention to the best use of clean water.

two。 Choose the equipment with good spraying effect to spray rice leaves evenly, and be careful not to hit back and forth when spraying, so as to prevent excess nutrients.

3. Grasp the time, each spray can be 10-15 days interval, so that each time the nutrients can be fully absorbed.

In addition, when spraying foliar fertilizer, we should pay attention to the following points:

1. Dosage

All kinds of available nitrogen, phosphorus and potassium fertilizer, potassium dihydrogen phosphate, triacontanol, borax, silkworm manure, human and animal urine can be used as foliar fertilizer, which is not much per mu, but it should be processed into liquid fertilizer first. The day before the quick-acting chemical fertilizer was sprayed, it was dissolved with 5-10 times water to prevent withered grass leaves from being sprayed. Human and animal urine should first be rotten in the pool, silkworm feces should be dissolved in 10 times water, filtered after 24 hours, and then sprayed on sufficient water; borax is broken first, fully stirred into a thick liquid with a small amount of water, and then sprayed on sufficient water.

two。 Sports Acrobatics

The preparation of the solution should be uniform, the spray point should be even and fine, and the spraying times should be needed.

3. Concentration

The concentration of foliar fertilization is directly related to the effect of spraying, which should be prepared according to local conditions according to different fertilizers and crops.

The proper use of rice foliar fertilizer can improve its disease resistance and yield, so we must follow the instructions, adjust according to the actual situation, and must not apply it blindly.