论文部分内容阅读
盐渍土是滨海地区分布最多的一种土壤类型,也是滨海地区土壤改良利用的重点对象。据土壤普查资料统计,如东县盐渍土面积有38万亩,占全县耕地面积的30%左右。此外,还有10多万亩盐荒地和70多万亩的海涂,这是我县重要的后备土地资源,有待开发利用。盐渍土是土壤和浅层地下水含有过多的可溶性盐分,盐分来源于盐渍母质与海水的浸渍。我县黄
Saline soil is one of the most distributed types of soil in the coastal area, and is also the key target of soil improvement and utilization in the coastal area. According to soil census data statistics, Rudong saline soil area 380000 mus, accounting for 30% of the county area of arable land. In addition, there are more than 10 million mu of salt wasteland and more than 700,000 mu of sea tide, which is an important backup land resource of our county and needs to be exploited and utilized. Saline soil is the soil and shallow groundwater contains too much soluble salt, salinity derived from the parent material and seawater impregnation. My county yellow