検索結果 - (( soil consultation ) OR ( ((soil construction) OR (soil conservation)) ))

Soil conservation and management in developing countries : report of an expert consultation held in Rome, 22-26 November 1976.

主題: “…Soil conservation Developing countries.…”

Soil and plant testing and analysis report of an expert consultation held in Rome, 13-17 June 1977

Land evaluation criteria for irrigation report of an Expert Consultation held in Rome 27 February- 2 March 1979 /

Land evaluation guidelines for rainfed agriculture : report of an expert consultation held in Rome, 12-14 December 1979 /

The expert consultation on the ASOCON information service, Los Banos, The Philippines, 6-9 November 1990.

主題:

Soil conservation / 著者: Hudson, Norman

主題: “…Soil conservation.…”

Soil conservation / 著者: Hudson, Norman

主題: “…Soil conservation.…”

Soil conservation / 著者: Hudson, Norman

主題: “…Soil conservation…”

Soils in construction 著者: Schroeder, W. L. (Warren Lee), 1939-

Conserve your soil : a simple guide to soil erosion /

Conserving soil resources : European perspectives : selected papers from the First International Congress of the European Society for Soil Conservation /

主題: “…Soil conservation Europe.…”

Soil conservation handbook /

主題: “…Soil conservation.…”

Soil erosion and conservation /

主題:

Elements of soil conservation/ 著者: Bennett, Hugh Hammond

主題: “…Soil conservation…”

Soil erosion and conservation / 著者: Morgan, R. P. C. (Royston Philip Charles), 1942-

主題:

Soil conservation in the Pacific : a symposium and a panel discussion /

主題: “…Soil conservation Pacific Area.…”

Agroforestry for soil conservation / 著者: Young, Anthony

主題: “…Soil conservation.…”

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

Soil management for the conservation of soil nitrogen / 著者: Saito, Masanori

主題: “…Soil conservation.…”

Soil: use and improvement / 著者: Stallings, J. H.

主題: “…Soil conservation…”