景电灌区脆弱生态环境对农业生产的影响

The Influence of WeakEcotopeon Agricultural Output in Jingtai Irrigated Area

景电灌区生态系统脆弱，土地荒漠化严重，灾害性天气频繁发生，给农业生产带来严重危害。针对区域内的生态环境特点和自然状况，建立农林复合经营系统、调整产业结构、防止土壤次生盐渍化是改善灌区脆弱生态环境，减轻自然灾害，提高农业生产的有效措施。

Heavy damages for agricultural output had been brougt by weakecotope types which were serious a rid, soil-desertification and frequentnatural calamity in Jingtai Irrigated Area.Based on local ecotope character-istics and natural cases, it was suggested that an effective way to improveecotope, relievenatural calamity and raise agricultural output was setting upa multiplex agricultural-foresy system, regulating industral compostion andpreventing secondary soil salinization.