The Effect of Soil Bulk Density and Moisture Tension on Nitrous Oxide and Carbon Oxide Emissionстатья
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Дата последнего поиска статьи во внешних источниках: 14 апреля 2015 г.
Аннотация:The quantitative dependences of CO2 and N2O emission on soil water tension (P) were studied by
the method of gas chromatography in four types of loamy soils—chernozem, soddy-podzolic, sierozem, and krasnozem (red ferralitic soil). The data on gas emission are expressed as a ratio (Erel) of emission at a certain moisture tension to maximal emission noted for that soil. The dependence of Erel on P is close for all the soils studied and is described by the following equations: Erel = 0.7 - 0.28 frame1 at 200 < P < - 0.1 atm and Erel = 2.12 + 0.9 frame3 at –0.1 < P < –0.01 atm.