What is the best fertilizer for cabbage?

Cabbage fertilization time

During the growth period of cabbage, fertilizer can generally be applied every 7-15 days. Usually, fertilizer is applied more frequently during the vigorous growth period, and less fertilizer is applied during the seedling stage and when it is close to maturity.

After cabbage enters the rosette stage, it has a great demand for nutrients and needs to be topdressed in time, which plays a decisive role in the growth of the leaf head.

What fertilizer to use for cabbage

Chinese cabbage is mainly fertilized with fertilizers containing nitrogen, phosphorus and potassium. Nitrogen fertilizer can promote the growth of plant leaves, phosphorus fertilizer can increase the clean vegetable rate of Chinese cabbage, and potassium fertilizer can significantly promote individual development and increase the fresh weight and yield of single plant. Among them, the demand for nitrogen fertilizer is greater, and the demand for phosphorus fertilizer is smaller.

Cabbage fertilization method

Cabbage has a long growing period. Before planting, long-lasting organic fertilizer needs to be applied. Manure can be used as base fertilizer. Quick-acting fertilizer needs to be applied during the seedling stage, and fertilizer needs to be applied during the rosette stage. Generally, human manure, wood ash, ammonium nitrate, phosphorus, and potassium fertilizers are applied per mu.

A large amount of fertilizer and water is required during the heading period. Heading fertilizer should be applied one week before the heading period. Mainly use complete fertilizer with long-lasting fertilizer effect, and the potassium fertilizer content needs to be increased.

Cabbage fertilization precautions

The base fertilizer applied to cabbage must be fully fermented and decomposed, and it cannot stick to the leaves. It needs to be rinsed clean in time. Nitrogen fertilizer should be applied mainly, and phosphorus and potassium fertilizers should be added. The amount of nitrogen, phosphorus and potassium fertilizers should be properly controlled. Concentrated fertilizers should not be used, and water should be added for dilution.