... upland rice nursery 旱秧田 upland rice soils 旱地水稻土 Upland rice seedling 旱育秧 ...
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·2,447,543篇论文数据，部分数据来源于NoteExpress
目前有资料表明，我国水稻土具有比旱地土壤较高的表土有机碳密度，且近20年来存在着升高的趋势。
Some data indicate that the soil organic carbon density of paddy soil is higher than that of dry cropland soil in China, and has an increasing tendency over the last 20 years.
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