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cultivated soil in China
释义
cultivated soil in China
Encyclopedia
理学
中国的土壤类型(发生学分类)
释
cultivated soil in China
中国的耕作土壤
在长期耕作、施肥和灌溉的影响下,土壤有机质累积、土壤质地及层次排列、盐分剖面分布,都起了很大变化的土壤。
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xuanyan poem
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xuanzhong
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Xuanzhou Subgroup of Wu dialects
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Xu Beihong Memorial Museum
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