In this paper,soil respiration rate of Medicago sativa L and Astragalus adsurgens Pall grassland in wind-water erosion crisscross region on the Loess Plateau were measured to understand the response of soil respiration in vegetated grassland to water and plant density and to relate soil respiration with environmental factors.The results showed that water adding significantly accelerated soil respiration rate(P<0.01),while the response of soil respiration to plant density varied with plant species.The sea...
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