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将滤纸夹在4种不同质地土壤中然后测水势,并与用离心机和压力膜标定的滤纸水分特征曲线进行校验.结果表明,滤纸法是一种测试水势范围广,而且比较准确的简易方法.
The filter paper was sandwiched between four soils with different soil texture and then tested for water potential and validated against the filter paper moisture characteristic curve calibrated with a centrifuge and a pressure membrane.The results showed that the filter paper method is a simple and easy method.