After the spring rape twitches, the main stem rapidly expands and expands, and the root system rapidly enlarges, reaching the peak at the flowering stage. Therefore, there is a saying that the spring dish resembles a tiger. However, flower buds that continue to differentiate at all stages of inflorescence after convulsions are mostly ineffective flower buds. For instance, inappropriate adjustment of fertilizer and water will lead to out-of-control populations and closed canopy closure, resulting in serious diseases, which will ultimately lead to an increase in the rate of empty rafts and a decrease in yield. The key to ensuring the stability of rapeseed spring is to ensure that the seedlings can be used for fertilizer application to achieve the purpose of growing branches, increasing grains, and increasing weight. For poorly growing rape seedlings during the wintering period, the manure should be applied early and applied more often, and usually 7-8 kilograms of urea is applied during the convulsions. If the winter fertilizer is sufficient to meet the needs of the spring growth of the rapeseed, the fertilizer can be applied less and later, so as to prevent excessive growth, and at the same time avoid the situation that the leaves are small, pods are fine, the branches are few, and the inflorescences are short due to lack of fertilizer in the later period. Generally, when the loquat height is 10-13 cm, urea 4-5 kg ​​will be applied. For overwintering nutrition foot, rapeseed seedling large seedlings, fertilizer should be less applied, late application, usually in the flower urea Mushi 2-3 kg. In order to make full use of manure, it is necessary to pay attention to irrigation in the case of spring drought to meet the spring water demand for rape; if there is more rainwater, the dredging work should be strengthened to achieve no clear water and tillage layer after the rain. No dark stains are required to maintain normal root activity and reduce the incidence of disease. We're professional Others Laparoscopy Surgery manufacturers and
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