This paper summarizes the measuring parameters of the soils in both the soil bin and the field, by use of the self designed HTY-3 type soil parameter metering device for dry farmland.
本文简述了利用自行设计的HTY - 3型旱田土壤参数测定仪对土槽土壤和田间土壤进行的测定。
Methods To contrast the disparity of soil type, soil use, and basic characteristics, in particular microelement contents in high_mortality area and low_mortality area of esophageal cancer.
方法对比食管癌高、低死亡率区土壤类型、利用方式及土壤一般特性，尤其是在微量元素含量上的差异。
Methods To contrast the disparity of soil type, soil use, and basic characteristics, in particular microelement contents in high_mortality area and low_mortality area of esophageal cancer.
方法对比食管癌高、低死亡率区土壤类型、利用方式及土壤一般特性，尤其是在微量元素含量上的差异。
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