山东打渔张灌溉区,位于黄河南岸的滨海地带,这一带的土地是黄河下游的冲积土,其中含有不同程度的盐碱,作物不易保确保苗,因而生产不能保证。特别是内有150万亩荒碱地光碱扳地,只能生产耐碱的黄须菜荆条或寸草不生。同时东有海 Shandong fishing Zhangzhang irrigated area, located in the southern bank of the Yellow River coastal zone, the land in this area is the alluvial soil in the lower reaches of the Yellow River, which contains varying degrees of salinization, crop is not easy to ensure security seedlings, so the production can not be guaranteed. In particular, there are 150 million mu of alkali alkali caustic alkali to pull the ground, can only produce alkali-resistant barbary rhodiola or inch grass is not born. East at the same time the sea