江汉平原农业水土环境利用与保护

江汉平原农业水土环境的基本特征是水高田低、涝渍危害严重,垸落众多、垸田密布.影响农业可持续发展的水土问题是地势低洼,因雨成灾;过境水量多,湖泊调蓄功能下降,防洪压力大,农田涝渍长期存在.为发展生产,必须保护湿地资源、完善水利工程、建设高标准基本农田,同时,要科学利用水土资源,因地制宜地发展湿地特色产业.

Agricultural Soil and Water Environment in Jianghan Plain and Utilization

The basic characteristics of agricultural soil and water environment in Jianghan Plain are: a lot of protective embankments in lakeside areas,a density distribution of low-lying paddy fields surrounded with dikes,water table in rivers over cropland,a serious hazard from surface and subsurface waterlogging.Soil and water issue of influencing agricultural sustainable development are: low relief,disaster from rainfall,much more discharge from non-local,a low function of lake regulating flood,a great pressure from flood-control, cropland suffering from surface and subsurface waterlogging for a long time.In order to promote production,it must be done to protect wetland resources,to improve water conservancy project,and to establish basic farmland with higher standard.At the same time,it is essential to scientifically utilize soil and water resources and to develop industry with wetland feature in the light of local conditions.