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果园冬灌及覆盖技术杨庆仙果树冬灌，蓄水于土，既能防冻防旱，又能冬水春用，促进根系生长。冬后在果园盖草，既可防冻保墒，又能培肥改良土壤。一、冬灌技术１．适期冬灌：灌冬水以表土日消夜冻时最合适，过早，气温尚高，蒸发大，不利于蓄水防冻；过晚，气温过低，土壤...
Orchard winter irrigation and cover technology Yang Qing cents winter fruit tree irrigation, water storage in the soil, both antifreeze drought, but also with winter water spring, and promote root growth. Cover the grass in the orchard after winter, both antifreeze and soil moisture, but also to improve soil fertility. First, winter irrigation technology Suitable winter irrigation: irrigated winter water topsoil digestion when the most appropriate, too early, the temperature is still high, evaporation, is not conducive to water storage antifreeze; too late, the temperature is too low, the soil ...