在鄂尔多斯沙地改良试验站的撂荒地和退耕地，测定和分析了多年生人工草地对土壤呼吸速率的影响。
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.
随着岩溶地区土地由菜地、耕地向撂荒地转换，土壤各项物理指标都有改善。
With the vegetable land and plantation changed into deserted land, all physical standards are improved.
随着岩溶地区土地由菜地、耕地向撂荒地转换，土壤各项物理指标都有改善。
With the vegetable land and plantation changed into deserted land, all physical standards are improved.
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