| 生物土壤与生态 |
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| Effect of Perennial Cultivated Forage on Soil Respiration of Sandy Land |
Taogetu1; ZHAO Ji1; SUN Qi-zhong2
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| 1.College of Life Sciences, Inner Mongolia University, Hohhot 010021, China; 2.Grassland Research Institute, Chinese Academy of Agricultural Sciences, Hohhot 010010, Chnia |
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Abstract An analysis on the effect of cultivated grassland on soil respiration rate was conducted for the abandoned land and the transferred farmland in the Ordos Sandy Land Improvement Experimental Station. The soil respiration rate of the cultivated grassland which established on abandoned sandy land was higher than that of abandoned sandy land, their difference was significant(P<0.01). The soil respiration rate of Bromus inermis grassland which established on transferred farmland was slightly higher than that of Zea mays land. Compared with Agropyron cristatum grassland, Bromus inermis grassland had higher soil respiration rate. Nevertheless, organic manure could heighten the soil respiration rate of cultivated grasslands.
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Received: 17 January 2007
Published: 20 March 2008
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2008, Vol. 28 
