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Soil Management

D. Bryan DaviesDavid J. EagleJ. Brian Finney

出版	Farming Press, 1982
主題	Technology & Engineering / Agriculture / GeneralTechnology & Engineering / Agriculture / Agronomy / Soil Science
ISBN	08523611819780852361184
URL	http://books.google.com.hk/books?id=FvNFAAAAYAAJ&hl=&source=gbs_api

註釋

Soil: the farmer's raw material. Plant nutrition: the major elements. Plant nutrition: the minor nutrient. Soil water. Land drainage. Soil structure and crop performance. Soils and traction. Traffic and soil damage. Ploughs and ploughing. Cultivation implements. Cultivation implements. Power requirements and work rates. Subsoil cultivations. Soil organic matter. Cultivation systems for crop and soil. Minimal cultivations and direct drilling. Erosion. Pollution and the soil. The classification of agricultural land.