Rapeseed is not only used to extract edible oil and feed, but also used to make margarine and artificial protein in food industry. It is also widely used in metallurgy, machinery, rubber, chemical industry, paint, textile, soap making, paper making, leather, medicine and other industries, and has important economic value.
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Maintenance method of rape flower
1. temperature: It can also be seen from its main distribution area that it prefers higher temperature, and 20 to 30 degrees is more suitable. Not cold-tolerant, so there are not many plants in the north. If you want to be cultivated as an ornamental plant, you need to pay attention to cold protection.
2. Lighting: It likes light very much. If it is kept in a dark environment for a long time, its growth will be very slow and it is easy to get some diseases. Therefore, whether in the growing season or in winter, we should try to provide enough light.
3. watering: it is a wet variety. Especially when it blooms. Its flowering period is generally about 30 days, so watering at this stage must be timely. During pod setting, irrigation is needed once or twice.
4. Fertilization: The way of topdressing outside the roots is mainly adopted. First of all, it's at flowering time. Every once in a while, you need to spray some fat water containing trace elements. In addition, the leaf surface also needs to use calcium superphosphate.
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