The latest course on planting techniques and methods of summer sowing Chinese cabbage

Chinese cabbage is a very common leafy vegetable in our life, which is basically planted everywhere. Chinese cabbage can be planted in most seasons, and many people are growing Chinese cabbage in summer. But because the summer temperature is higher, so the planting method is also different, so how to grow summer Chinese cabbage? The following editor brings you the planting technology of summer sowing Chinese cabbage, let's have a look!

1. Selection of species and sites

To grow Chinese cabbage in summer, it is necessary to choose varieties with strong high temperature tolerance, strong heading ability and good disease resistance, and the most important thing is to be able to withstand high temperature. After the selection of varieties, we need to do a good job in the selection of soil. In order to avoid the harm of diseases and insect pests, planting fields should be selected in areas with high terrain and normal drainage and irrigation. And because the growth cycle of Chinese cabbage is relatively short, so we also need to apply sufficient base fertilizer. Ridging cultivation is the main cultivation method, which can not only improve the drainage and irrigation, but also enhance the permeability.

2. Sowing seeds at the right time

The sowing time of Chinese cabbage in summer is usually around June every year. When planting, we should pay attention to control the planting density, generally planting about 3200 plants per mu. In order to improve the whole seedling rate, ridging and ditching should be done well before strong seedlings are sown, or hole sowing should be carried out according to planting density. If the soil moisture is not good, you should point some water in the ditch or hole, and then sow and cover the soil and water. The seedlings can emerge after about 4 days, and the soil should be kept moist after emergence, and the seedlings should be fixed between two true leaves and about 5 true leaves.

3. Water and fertilizer management

Water and fertilizer is very important to the growth of Chinese cabbage. After the initial stage of heading of Chinese cabbage, topdressing should be started. Even if you apply enough base fertilizer, you should apply about 50 jin of urea per mu, and then help the ridge and start watering. Usually topdressing once or so, after fixing the seedlings, we should pay attention to keep the soil moist, and appropriately increase the amount of water after entering the heading period. Usually water once every 4 days or so, stop watering 5 days before harvest, and do a good job of drainage in case of rainy season or too much watering.

4. Pest control

Then we have to do a good job in the prevention and control of diseases and insect pests. The common diseases and insect pests of Chinese cabbage in summer are soft rot, dry burn, aphids and so on. We should focus on the prevention and control of these diseases and insect pests and strengthen prevention. In the early stage of Chinese cabbage heading, it is necessary to do a good job of spraying and disinfecting. Neostigmycin is the main spraying agent, and the spraying location should be on the petiole and root, about once a week. If a diseased plant is found, it should be removed in time. Avoid the spread of the disease and expand the affected area.

The above is a brief introduction to the planting techniques of summer sowing Chinese cabbage. Summer sowing Chinese cabbage must pay attention to the temperature and other problems to ensure the healthy growth of Chinese cabbage. That's all for today's introduction. This article is for reference only. I hope it can help you all.