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Autumn cabbage late management
At present, the growth of Chinese cabbage is in the later stage, which is also a time when Chinese cabbage grows quickly. If water and fertilizer are supplied properly during this period, pay attention to the control of pests and diseases, and the yield can be greatly increased. First, the continuous cropping period: It is also the period of Chinese cabbage scrolling, and the outer leaves grow rapidly. 85% of the roots in the roots are distributed on the surface of the soil. In this period, a large manure should be filled with water and 2000 kg per mu should be used. Second, the heart period: the ball began to grow rapidly and full, this time again pouring a large fecal water, 2000 kg per mu or urea 10 kg, 10 days later, but also watered and applied potassium sulfate 10 kg. Third, the ball period: At this time the weather gradually cool, cabbage gradually from the rapid growth period to slow growth period and nutrient accumulation stage. Can not be big fertilizer, for washing, mainly in small water. Stop watering 7 days before harvest to improve its quality. Fourth, pest control: Mu with 70% trichlorfon 500 times to control the root. China Agricultural Network Editor