FIELD: agriculture, in particular, amelioration, ecology monitoring. SUBSTANCE: method involves measuring coefficient of radiation of frozen soils in microwave band in winter, with values of coefficient of radiation depending on quantity of unfrozen water in frozen soil. Unfrozen water in soils differing by granulometric composition has qualitatively like but quantitatively different temperature-humidity characteristics. Granulometric composition is evaluated by comparing quantity of unfrozen water in frozen soil by remote control method with quantity of unfrozen water determined by graphic method or calculated by empirical formula recited in Specifications. EFFECT: increased efficiency, simplified method and provision for precise data. 2 dwg, 2 tbl
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Authors
Dates
1997-08-27—Published
1991-06-21—Filed