Cabbage management "three elements"

Seedlings, fill seedlings, Dingmiao timely seedlings from the seed germination to Dingmiao, the general seedling age of about 18 days, during which should be repeated multiple seedlings. The seedlings were unearthed for 3 days for the first time. The seedlings were separated, and 4 to 5 leaves were planted for the second time, leaving 2 to 3 plants per hole. According to the strength of the seedlings, leave strong and weak, when the leaves grow to 8 to 9 leaves, according to the spacing of about 50 cm for the seedlings. The timing of seedlings should be controlled at high temperatures in the noon.

The cultivation of weeds and weeds is carried out in the middle of Dingmiao and Rosettes respectively. According to the principle of "shallow, double, deep, and triple without damaging the roots", the cultivation of high ridges should follow the principle of "deep sewers and shallow rakes." Cultivate the grass and cultivate the soil, such as the late rosette overgrowth, can be seedlings.

Water-based topdressing, such as the use of less fertilizer, can be used to recover a fertilizer at the seedling stage. Mushi urea 10 kg. In the rosette period, the ball beginning and middle period, each chase a fertilizer, Mushi urea 15 to 20 kilograms, combined spraying foliar fertilizer potassium dihydrogen phosphate and urea mixture every 10 days. Watering should be carried out in conjunction with topdressing. The soil in the early stage of the ball is dry and wet, and the soil is moist during the ball stage.

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