Introduction to soil science B Genxing pan Department of Soil Science, Inst Resources Ecosystem Environment of Agriculture(Ireea) www.ireea.kyig.njau.edu.cn
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Soil soils 2000
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7月20日,一名男子在希腊北部一城镇享 受露天泥浴。每年都有数以千计的人光顾当地 个烂泥潭。人们相信在那里泡一泡可以辅助 治疗神经和皮肤疾病,还有助于断骨生长
Introduction Contents What is soil? What is soil science Why do we study soil(science)?
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What is a soil? Tulip fields on 'geestgronden'(levelled, homogenized dune sands in The Netherlands 圆圈■
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