Fertilization technology of Chinese cabbage

Chinese cabbage, also known as Chinese cabbage, is one of the specialty vegetables in the south. It is tender in quality, sweet and bitter in taste, rich in nutrition, and has high edible value and planting value. And how to plant Chinese cabbage fertilizer watering is more important, related to its yield, so how to fertilize Chinese cabbage? Let's have a look with the editor.

1. Characteristics of fertilizer requirement

Chinese cabbage prefers warm and humid climate, shallow root system, many whisker roots, easy to survive transplanting, transplanting on sandy loam or loam with high content of organic matter and convenient drainage and irrigation. For mineral nutrition absorption, nitrogen is the most, potassium is the second, phosphorus is the least, and the ratio of nitrogen, phosphorus and potassium is 3.5 ∶ 1 ∶ 3.4. it is proved that for every 1000 kilograms of Chinese cabbage, it is necessary to absorb 2.2 kilograms of nitrogen, 0.6 kilograms of phosphorus and 1.1 kilograms of potassium from soil. The highest nitrogen absorption period of its plant is from budding stage to harvest period, accounting for about 40% of 60%; the peak of phosphorus absorption is also in the budding period, and so is the absorption of potassium.

2. Base fertilizer

Chinese cabbage is a fast-growing vegetable, its root system before, the growth period is short, planting density is high, so it is necessary to apply sufficient basic fertilizer, timely soil preparation, soil deep ploughing and tanning, killing germs and insect eggs, reducing the harm of diseases and insect pests, and then applying sufficient base fertilizer, generally 1.2-1.5 meters wide and 20-30 centimeters high, showing the shape of tortoise back. The application of base fertilizer can choose organic fertilizer or farm manure. 80,100kg or 1000 kg of mature organic fertilizer is applied per mu to provide nutrients for the growth and development of Chinese cabbage.

3. Topdressing

In addition to applying sufficient base fertilizer, topdressing is needed many times to meet the needs of the growth and development of Chinese cabbage and improve its yield and quality. it is mainly nitrogen fertilizer in the seedling stage, and thin nitrogen fertilizer and water are applied every 3-5 days to promote the rapid growth of Chinese cabbage. The compound fertilizer based on nitrogen fertilizer was also applied in the leaf growth period, but the concentration of fertilizer and water should be appropriately increased compared with that in the seedling stage, and the concentration of high potassium compound fertilizer was the same as that in the leaf growth period.

The above is the introduction of Chinese cabbage fertilization technology, hope to help you, want to know more related knowledge, please pay attention to us.