1. How many months is Shanghai Green suitable for planting

Shanghai green is also called rape, Shanghai cabbage and Chinese cabbage. It has few leaves and many stems. It is a very common Chinese cabbage in Jiangsu and Zhejiang. It is rich in nutrients. Generally, it can be planted in the South all year round, but because the summer is too hot and the plant growth is slow, it is mainly planted in spring and autumn. As for the northern region, because the weather is generally cold and the temperature suitable for the growth of Shanghai green is between 18 and 20 degrees, it is generally planted in spring, summer and autumn in the northern region

2. Shanghai green planting method

Seed selection: when selecting seeds, pay attention to the selection of plump, strong and disease-free seeds, so that the quality of Shanghai Green will be higher. After selecting the seeds, soak them in warm water for two or three days to promote germination. After the seed coat becomes soft, transfer it to a well ventilated environment with more scattered light for drying for one or two days. Generally, after waiting for five days, you can see the seeds germinate

Soil preparation: the soil with good water permeability, loose and fertile and rich in organic matter should be selected for planting Shanghai green. Mixed forest soil, humus soil, pond mud and fine sand can be mixed in the ratio of 1:4:2:2. In order to enhance the nutrients in the soil, a small amount of organic fertilizer solution can also be applied to the soil

Planting: insert the germinated seedlings into the soil at a spacing of 20 cm and a row spacing of 30 cm, with the bud end down, but not too deep. After planting, it needs to be watered to keep the soil moist, and then ensure sufficient light

Management: after planting, it needs to be watered once a day, and the soil should be loosened from time to time to fully integrate the soil with the contained water. Then, a small amount of urea solution can be properly applied to it one week after planting, and a small amount of compound fertilizer solution can be applied every other month