【摘要】 通过对湖南省农业旱灾特征及其成因剖析,认为要从根本上缓解该省的农业旱灾,必须实现农业水资源的高效利用,必须基于投入产出分析做好5个方面的工作:1)更新改造与兴建扩建一批水利工程,增大供水能力;2)科学调度大型水库,蓄足洪水资源;3)逐步建立和实施现代化灌区管理;4)应用、推广农业节水技术;5)适当调整农业结构,减轻农业用水高峰期的压力.更多还原

【Abstract】 This paper analysis the characteristic and the cause of agricultural droughts disaster of Hunan Province,it gives the point that if we want to alleviate the agricultural droughts disaster fundamentally,we must realize that the agricultural water resource should be used high-efficiently,there are 5 aspects of works to do well based on input and output analyse.1)renovate and rebuild a series of irrigation works,to increase the water supply ability;2)attemper great reservoir scientificly,to store enough flood resources;3)work up and actualize mordern irrgable area management;4)apply,popularize agriculture’s water-saving technology;5)adjust the agricultural structure properly,lighten the pressure of agricultural water peak period.更多还原