New points in the management of white radish field

I. Watering during germination: Fully watered, the soil moisture content is above 80%, to ensure that the emergence of seedlings is fast and homogeneous. Seedling period: the roots are less shallow, but the supply must be guaranteed. The soil moisture content is about 60%. The principle of less pouring and pouring should be mastered. Before the break, the seedlings should be planted so that the straight roots can be tied down. Leaf growth period: In this period, more water is needed to properly irrigate, but in the later stage, water should be properly controlled to prevent leaf growth and affect the growth of meat roots. Root growth period: should be fully evenly watered, and use the fruit of the fruit to make the underground nutrient transport conduit thicker, improve the fruit fruit expansion and vitality, to prevent cracking, soil moisture maintained at 70 to 80 percent, air The humidity is preferably 80 to 90 percent. Watering is required until the late growth to prevent hollowing.

Second, the seedlings. Seedlings grow quickly after they are unearthed, and they need time and seedlings. Otherwise, crowded sunshades will occur, causing longevity. The seedlings should be early, generally 2 times in the first seedlings. When the first time is in 2 to 3 true leaves, the principle of the seedlings is better and better. When the belly is broken, the plants with the characteristics of the original varieties are selected, and one seedling is reserved for each hole. Spraying a new high-fat film in time after the seedling can effectively prevent the moisture on the ground from evaporating, the moisture of the seedlings is not transpiration, the pests and diseases are isolated, the seedling period is shortened, and the new environment is quickly adapted.

Third, cultivating, weeding, and cultivating soil Because the growth of white radish requires high air content in the soil, it is necessary to keep the soil loose, timely cultivating, combined with cultivating and weeding, and must cultivate soil when cultivating. In production, the three tasks of cultivating, weeding and cultivating are generally combined.

Fourth, pest control. The key to disease prevention and control lies in strengthening cultivation management, timely use of ecological factors plant cell immune factors, enhancing plant stress resistance, and making virus DNA break and apoptosis. Control plant physiological diseases and invasive diseases to make plants robust and enhance disease resistance.

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