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节水灌溉是指喷灌、雾灌、滴灌而言。这是我国“七五”期间农机化推广的新技术。因它省水、省工、省地,适宜于各种地形和多种作物,在半干旱和干旱地区更为适用,对保护水资源具有重大意义和作用。与地面灌溉相比,喷灌可节水30—50%,而雾灌和滴灌又比喷灌省水,滴灌可节水70—80%。本文介绍日本赠给中国农
Water-saving irrigation refers to sprinkler irrigation, fog irrigation, drip irrigation. This is a new technology for promoting agriculturalization in China during the “Seventh Five-Year Plan” period. Because of its water-saving, labor-saving, provincial, suitable for a variety of topography and a variety of crops, in semi-arid and arid areas more applicable to the protection of water resources of great significance and role. Compared with surface irrigation, sprinkler irrigation can save 30-50%, while fog irrigation and drip irrigation than sprinkler irrigation, drip irrigation can save 70-80%. This article introduces Japan to Chinese farmers