摘要
江汉平原共有中、低产田76.4万hm^2,占区域人为土面积的40.6%、湖北省人为土面积的20.2%,是湖北省农业发展的重要后备资源。随机选取江汉平原三湖农场11个土壤剖面,野外进行了硬度、地下水位测量及土壤分层采样,并对各层土样进行了含水量、容重和孔隙度等物理特性的室内分析。结果显示,4个剖面土壤利用方式完全与土壤剖面的物理属性相悖,其它7个剖面中有3个需要在某一方面进行改良方适于旱作;部分剖面存在着地下水位低、排水不良等问题。改变耕作方式、加强土壤排水能力和增施有机肥是提高土壤生产能力的首要举措。
40.6% of the area of anthrosols of Jianghan plain, which equals to 20.2% of the area of anthrosols of Hubei province, is middle-low yields crop-land. It is precious reserve resources for the development of the agriculture of Hubei province Take Sanhu Farm of Four Lake area of Jianghan Plain as a study area, measurement and analyses of physical characteristics of the layered soil samples of 11 soil profiles taken randomly were made in field or in laboratory, including hardness, water table, water content, bulk density and porosity, etc. The result turned out that soil utilization patterns of 4 profiles were incompatible to soil physical features; other 3 profiles need to be modified in some way. There are problems of low water table and poor drainage in some profiles. To change soil utilization patterns, strengthen drainage ability and apply more organic manure should be prime measures to improve soil producing ability.
出处
《华中师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2009年第2期337-340,共4页
Journal of Central China Normal University：Natural Sciences
基金
国家自然科学基金项目(40771088)
关键词
人为土
土壤剖面
物理特征
anthropological soil
soil profile
physical characteristics
