In winter, the temperature is low, the light is less, the leek grows slowly, the stem thin leaves are thin, and the yield is low. If the leaves are sprayed once every 7-10 days in winter, 0.1% magnesium sulfate, 0.2% urea, 0.3% potassium dihydrogen phosphate, 800 times humic acid active liquid fertilizer, 1000 times natural brassin, 1000 times triacontanol, 1500 The Sansheng Nongsu chelating fertilizer mixture was sprayed continuously for 5 to 6 times to evenly spray all the leaves. It is advisable to start dropping with drops of water, which can significantly improve the cold-resistance and drought-resistance ability of the leek and enhance the photosynthesis and speed up the photosynthesis. With the growth rate, the output will increase significantly.
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