In early spring, the temperature gradually warmed up, the climate and environment for greenhouse vegetable cultivation also improved, and the growing trend of vegetables was faster. At this time, water and fertilizer management should be strengthened. In early spring, the management of water and fertilizer in vegetables should adhere to the principle of “stimulating control and combining to promote the mainâ€. When planting in the spring, each plant should be planted with about 1 kilogram of water. Farmers can appropriately shorten the seedlings time, generally after planting 10 days to 15 days, depending on the seedlings and lyrics pouring first water, promote flowering and fruit setting, flowering and fruiting period of about 10 days watered once. In the fruit enlargement period, the outside temperature rises day by day, the plant water requirement and the field evaporation increase, and the water is soaked in about 7 days to keep the soil moist and the water content is maintained at 70% to 80%, which can promote rapid fruit enlargement. At the same time, once every time with the fertilizer, 10 kg of urea and 10 kg of potassium sulfate are applied per acre. Mainly by flushing, spraying with amino acids on leaves, humic acid liquid fertilizer, potassium dihydrogen phosphate supplemented, water and fertilizer attack. In early spring, fruit enlargement is fast, and the enhancement of fertilizer and water and supplement of "top cover fertilizer" can prevent empty fruit phenomenon. Applicator,Medical Dressing,Waterproof Wound Dressing,Wound Care Dressings Henan Maidingkang Medical Technology Co.,Ltd , https://www.mdkmedicales.com