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1西瓜选用早熟、高产、优质的抗病苏蜜等品种。施足基肥,每667米2施腐熟有机肥2000千克或饼肥50千克、过磷酸钙50千克、尿素10千克、硫酸钾15千克。3月中旬浇足底水后定植,每667米2栽600株左右。生长前期在大棚内套小拱棚,夜间覆盖草苫等物保温,后期注意通风降温。定植后7~10天棚温保持在30~32℃,以加快发根成活。晴天中午通风,下午提
A selection of watermelons precocious, high yield, high-quality varieties of resistance Su honey. Shizujifei, every 667 m 2 applied maturity organic fertilizer 2000 kg or cake fertilizer 50 kg, 50 kg of superphosphate, urea 10 kg, 15 kg of potassium sulfate. Planting water at the end of March after planting foot, planting about 600 plants per 667 meters. Early growth in the shed within the small shed, covered with grass and other objects at night insulation, the latter pay attention to ventilation and cooling. 7 ~ 10 days after planting canopy temperature was maintained at 30 ~ 32 ℃, in order to speed up the hairy root survival. Sunny at noon, afternoon mention