【摘要】 通过对干旱内陆河灌区田间土壤水、盐及地下水动态监测试验分析,结果表明:超大水量冬灌方式是导致灌区土壤盐渍化恶性循环的主要原因。对农田土壤盐分的定点实时监测,能够定量表征农田生态环境状况优劣;地下水位埋深变化,可警示农田盐渍化的演变,对调整灌溉定额采取预防措施有指导意义。更多还原

【Abstract】 According to dynamic analysis of monitoring experiment for soil water、soil salt and ground water transport in soil in arid inland river irrigation region.It is concluded that winter irrigation with exceedance water is the main reason for making for vicious circle of soil salinization.Regular monitoring in same point for soil salt in field can quantitative show state of ecology environment changing;Groundwater fluctuation can warn development of agricultural field salinization,It can help leader adjust irrigation quota and adopt preventing measure.更多还原