Kết quả tìm kiếm - (("soil conservation") OR ("soil construction"))*

Farm development : southern tablelands and Monaro /

Keys to soil taxonomy /

Improved use of plant nutrients report of the expert consultation on better exploitation of plant nutrients held in Rome 18-22 April 1977.

Organic recycling in Asia papers presented at the FAO /SIDA Workshop on the Use of Organic Materials as Fertilizers in Asia, held in Bangkok, 26 October-5 November 1976.

Organic recycling in Africa papers presented at the FAO /SIDA Workshop on the use of Organic Materials as Fertilizers in Africa, held in Buea, Cameroon, 5-14 December 1977.

FAO systems management series.

Mục lục: “…. -- Farming systems development and soil conservation /David Norman and Malcolm Douglas. -- Farming systems approach to development and appropriate technology generation /D.W. …”