论文部分内容阅读
在农业生产和科学实验中,往往需要测定土壤含水量。测定土壤含水量的常规方法多用“烘箱”烘干,但在农村因设备所限不易做到,有的采取在锅台或热炕烤干,这种方法虽然简便,但时间长,也不太准确。为了解决这一问题,可采用酒精测定法,方法简易,速度快,准确率也高。其具体做法是:取要测定的土壤10克,放在铝盆內,加入95%酒精
In agricultural production and scientific experiments, it is often necessary to determine the soil moisture content. The conventional method of measuring soil moisture content is mostly “oven” drying, but in the rural areas due to equipment is not easy to do, and some take the pot or hot kang dried, this method is easy, but a long time, not accurate . In order to solve this problem, alcohol assay can be used, the method is simple, fast, high accuracy. The specific approach is: take the soil to be measured 10 grams, placed in the aluminum basin, add 95% alcohol