Rapeseed is one of the main nectar crops and oil crops in China. It is a herbaceous cruciferous crop, which is divided into winter rape and spring rape. Its seeds are often used as one of the main varieties for oil extraction, and rapeseed is cultivated all over the country.

China is the country that produces the most rapeseed in the world, and its planting area and output rank first in the world. Rapeseed contains a kind of erucic acid which can affect the quality of rapeseed and rapeseed oil, and a certain amount of chemical substances such as sinapine and tannin.

Extended data:

Rape is one of the main oil crops in China, and its cultivation methods are divided into seedling transplanting and no-tillage direct seeding, and seedling transplanting is mainly used in most planting areas.

Whether in seedbed or field, it is necessary to be full of fertilizer and moisture, and the soil is free of pests and diseases. Sowing should be done according to the farming season, and new high-fat film should be sprayed, so as to preserve moisture and fertilizer, prevent pests and diseases, and promote strong seedlings.

When transplanting, select upright seedlings with well-developed roots and healthy plants, plant them reasonably and densely, and spray new high-fat film after transplanting, which can protect the leaves, protect the bottom, prevent pests and diseases, effectively promote the wound healing and rapid growth of roots, and effectively prevent cold and winter.