“简易微喷灌技术”及其在旱塬麦田应用研究初报

以塑管渗灌技术为基础发展起来的简易微喷灌技术，除具有渗灌的优点外，还具有可移动，投资小，简便灵活，适应性广等特点。小麦越冬期即使补水量不大，也可使土壤水分有明显的增加，到翌年春，５０￣８０ｃｍ土层含水量补水田高于对照２．５７％，小麦反青期补水０￣３０ｃｍ土层平均比对照高３．３９％。

Simple Micro-sprinkling Irrigation Method and its Application in Dryland Wheat Production

The hillyland area in Donghai, Xinyi and Ganyu county is characterized by the plentiful sunlight and suitable heat resources. The good agroecological condition is generally coexisted with the bad one in this area. Because of the thin layer of soil, the poor supply of soil avaiable nutrient,the serious soil erosion, the seasonal drought, and the shortage of water resource, attention must be paid to develop aproject emphasizing the conservation of water resource. Analysis of the agricultural resources suggests that the efforts should be made to retain surface runoff,to enhance the capability of dispatching and preserving water, and to improve efficiency of water usage. To afforest trees and to build terraced fields are also essential for controlling soil erosion. The technique of deep ploughing and manure accumulation should be empolyed to set up a high effective agroecological system.To gradually realize a large-scale exploitation and an indust rial process , the agriculturalst ructure should be adjusted. The resources advantage should be identified to develop a diversified economy. This is a way to develop the economy and to approach the ultimate aim of agricultural integrative exploitation in this hilly countryside.