A comparison of the organic matter, biomass, adenosine triphosphate and mineralizable nitrogen contents of ploughed and direct-drilled soils
作者： D. S. Powlson , D. S. Jenkinson
DOI: 10.1017/S0021859600037084
关键词:
摘要: … plough layer with the equivalent layer in direct-drilled soil, not just the soil near the surface. As the bulk density of direct-drilled soil is usually greater than that of ploughed … the difference …
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sci-hub.se 参考文章(23)
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