Water-air properties in peat, sand and their mixtures
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Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, P.O. Box 201, 20-290 Lublin 27, Poland
Institute for Problems of Natural Resources Use and Ecology, National Academy of Sciences of Belarus, Staroborisovsky tr. 10 Minsk, 220114, Belarus, NATO fellowship holder in IA PAS
Acceptance date: 2002-10-11
Int. Agrophys. 2002, 16(4): 313–318
This paper presents the results of the investigations of water-air relations in peat, sand and their mixture. It was stated that the addition of sand into peat radically changes its water-air characteristics, i.e., causes a considerable decrease of water amount bound in the mixture with different potentials and at the same time the increase of the soil air content. The analysis of ODR and Eh values lets us state that the addition up to 60% of sand into peat does not cause a significant improvement of the conditions of oxygen availability for plant roots.