为确定烟草的适度亏水效应及烟草水分生理灌溉指标，进行了烟草蒸渗仪试验，通过控制土壤水分下限研究烟草的适度亏水效应。
Experimental study was performed to determine the moderate water deficit effect and physiological irrigation index of tobacco with lysimeters by controlling the lower limit of soil water content.
张力渗透仪是一种根据多维入渗原理进行土壤水分和溶质运移参数原位测量的仪器。
Tension infiltration meter is a kind of devices measuring soil moisture and solute movement parameters on the spot according to multi-dimensional infiltration theory.
用中子仪测定土壤水分含量和变化量，分析计算水文地质参数，所得结果与其它方法测定值相近，可以认为中子仪测定水文地质参数是一种新的手段和方法。
To calculate the above parameters, water content in soil and its variety were measured by a neutron probe. This method is simple and the results are close to those obtained using other methods.
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