According to the medium-term weather forecast released by the Central Meteorological Observatory on December 22, the temperature in the central and eastern regions of China will fluctuate considerably in the next 10 days due to the influence of cold air. The average temperature is about 1°C lower than the same period in the normal year. Wing Yip Group's Jiangsu Marketing Center gave a friendly reminder to the farmers and actively took precautions against freezing and seedlings.
The height of the cultivating soil is generally suitable for culturing the first leaf of the base, which can not only loosen the soil and increase soil temperature, but also directly protect the root, which is beneficial to the growth of roots and the prevention of root extraction.
The dredging ditch excavated the mud deposited in the ditch and cultivated it in the root of rape to promote root growth and enhance cold resistance.
Increase the application of phosphorus and potash fertilizer to reduce the amount of nitrogen fertilizer application, so as to avoid soft and watery plants, cold resistance is poor. Before the advent of low temperature, it is even more inappropriate to apply nitrogenous fertilizer. Phosphorus and potassium fertilizers should be applied in order to promote the development of mechanical organization of the plant, increase the concentration of cell fluid, and enhance the ability of antifreeze. Potassium is in the ionic state in the plant body. Potassium fertilizer can increase the liquid concentration of the crop, make the freezing point of the crop fall, and increase the antifreeze ability. The occurrence of freezing injury at the same low temperature is relatively light. The application amount of potash fertilizer in rapeseed production is generally low, and 6-8 kg of potassium oxide per acre is added on the basis of the current basis. Sub-basal fertilizer and manure fertilizer are applied twice and can effectively prevent freezing injury. At the same time, it can spray 600 times liquid of Yongye Lifeline. Wing Yee Life is able to promote the absorption of water and nutrients in the soil from rapeseed roots. It has the effect of reducing stomatal opening and reducing water transpiration, so that plants and soil can maintain more water and nutrients, reduce loss, and effectively improve the plant's resistance to low temperature. It has a good effect in freezing resistance and drought resistance.
Yongye Life's spraying time on rape and its efficacy:
Diluted by 800 times in the seedling stage to promote the growth of seedlings and plant growth and robust, the roots developed, enhance crop resistance to disease, cold, drought and other stress resistance.
The buds were diluted 600 times, sprayed once every 10 to 15 days, and sprayed twice in a row. Increase the number of knots, promote full grain, and effectively increase production and oil yield.
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