The oily wheat vegetable is a fast-growing vegetable, which grows fast, is easy to cultivate, is convenient to eat, and has good taste. It is a kind of vegetable that the public prefers. However, when the oil wheat is planted, it is easy to have some yellowing, which affects its normal growth and the yield will drop. If this phenomenon has not been solved, the rape will grow very weak and severe. Will wither and die, bring great losses to everyone, then how do you need to prevent this phenomenon?
1. Growth environment
There is a great demand for nutrients in oily wheat. When deep-turning, it can supplement some decomposed farmyard manure and enhance the fertility of the soil. They can get enough nutrition, the resistance will be greatly increased, and it is not vulnerable to pathogens. It is best not to plant oily vegetables in places where beans have been planted before. These legumes have many germs. If they are planted in such a land, they will be very harmful. It is best to plant them in other places where crops have been planted. The insects will be much reduced and the plants will have a good growth environment.
2, lighting
In the rainy days, the oily wheat vegetables can not absorb the light in time, and the plants are prone to water accumulation. Their plants will also have some yellowing phenomenon. When such weather is encountered, the drainage work should be done and the plants can grow healthily. Seedlings are not prone to yellowing. If the weather is good, give them plenty of light. It is best to choose a sunny place when planting, which is of great benefit to their growth.
3. Fertilizer
After planting, their seedlings will grow up quickly and require a lot of phosphorus and potassium fertilizer. At this time, they must be supplemented with enough nutrients. If the yellowing of the seedlings is serious, pay more attention when fertilizing. Try not to use nitrogen-containing fertilizers. If the nitrogen fertilizer is added to the plants indiscriminately, the plant diseases will be aggravated, and their yellowing will become more serious. It must be combined. The actual situation is rational fertilization, in order to produce better rapeseed.
There are few insect pests in the oil and wheat, and there is basically no pesticide in the field. It is a green vegetable with less pollution. When the oil wheat is yellow, it is necessary to find out what causes it, so that the disease can be treated better and the plant can grow better. When planting oily wheat vegetables, it is necessary to prevent these three points in time to avoid yellowing of oily wheat and affecting growth.
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