Water vapour adsorption by soil aggregate fractions
1
Institute of Aquatic and Ecological Problems, Far East Division, Russian Academy of Sciences, 65 Kim-Yu-Chen Str., Khabarovsk, 680000 Russia
2
Faculty of Soil Science, Moscow State University, Vorobevy gory, Moscow, 119899 Russia
3
Computer Center, Far East Division, Russian Academy of Sciences, 65 Kim-Yu-Chen Str., Khabarovsk, 680000 Russia
Int. Agrophys. 2005, 19(1): 47-52
KEYWORDS
ABSTRACT
Water vapour adsorption by soil aggregates of humus accumulating soil horizon (fractions Ł0.1, 0.1-0.25,
, 5-10 , >10 mm) is found to be adequately described in the range of 0.1Ł p/p0 Ł0.98 by the equation W = Wmh[(p/p0)6-(p/p0)3 + (p/p0)]+Wres, where: Wmh maximum hygroscopic moisture, Wres residual water content or model fitting coefficient. The main parameter Wmh of the dependence W=f(p/p0) of aggregated part of soil is determined by soil type.
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| eISSN: | 2300-8725 |
| ISSN: | 0236-8722 |
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