滴灌是具有一定压力的灌溉水,经系统管道,通过设计标准流量的滴头,精确地按作物需要逐滴供水。 它最突出的效益,就是增产和节省大量灌溉用水。经我们几年滴灌系统运行,作物增产为32—89.6％;省水40—75％。 本文主要叙述在滴灌条件下,与传统灌溉土壤的水分、物理性状、温度、盐分、养分的变化情况。 Drip irrigation is a pressure of irrigation water, the system through the pipeline, through the design of the standard flow of dripper, precisely according to crop needs drop by drop of water. Its most prominent benefit is to increase production and save a lot of irrigation water. After several years of drip irrigation system operation, crop yield increased to 32-89.6%; water saving 40-75%. This article mainly describes the changes of water, physical properties, temperature, salt and nutrient under the condition of drip irrigation and traditional irrigated soil.