Autumn carrots will enter the rapid expansion period of fleshy roots, that is, the peak period of economic production, and also the peak period of carrots requiring water. Therefore, the following aspects should be done in the field management.
1. Watering (irrigation) water drought resistance: Due to the continuous drought in recent periods, different degrees of drought occur in a large area, which has an adverse effect on the growth of carrots, especially the growth of fleshy roots. The growers should take necessary drought-fighting measures in a timely manner according to the actual situation. Keep the soil water content at about 70% of the maximum water holding capacity in the field (the soil is moist, the hands are pinched into a group, and the ground can be scattered). For those who use water in the ditch and infiltrate the soil, it is necessary to eliminate the water in the ditch on the second day.
2, after the application of swelled fertilizer: from mid-October to mid-November is the peak of carrot absorption, so in front of the 12 leaves (succulent roots and fingers when the water) spray the fruit of the fruit of the body, can activate the plant ecological growth Energy, broaden the path of plant conduits, increase the absorption and absorption of plants, increase fruit yield and quality, and promote radish development.
3, prevention and treatment of insects: Recently due to drought and less rain, some plots have more serious powdery mildew, spray can be pesticides plus new high-fat film amount, spray control, 2 times in a row, 7 days apart.
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