棚室蔬菜软管滴灌新技术棚室蔬菜栽培，传统灌水方式是沟灌，早春大面积沟灌，不但会使土温大幅度下降，而且因畦表上水分蒸发面大，造成了棚室内空气相对湿度过高。高温的空气和叶片上结成的水珠、水膜是病菌孢子萌发的浸染水，导致病害的发生和蔓延，是制约棚室蔬菜早熟... New technology of greenhouse vegetable drip irrigation Greenhouse vegetable cultivation, the traditional way of irrigation is furrow irrigation, early spring large area furrow irrigation, not only will greatly reduce the soil temperature, but also due to the surface of the table water evaporation, causing the shed indoor air relative humidity Too high. High temperature air and leaves formed on the water droplets, water film is germ germination of the disseminated water, leading to the occurrence of disease and spread, is to control the greenhouse vegetables early ...