Zoekresultaten - "Soils"

Soil survey of Tamworth Agricultural Research Centre / door Riddler, A.

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Forecasting pavement performance : interim report / door Kiek, Sidney Noel

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Proceedings of Fertilizer Efficiency Research and Technology Transfer Workshop for Africa South of the Sahara : Douala, Cameroon, January 21-25, 1985 /

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A survey of the North - East lowlands of the Gazelle Peninsula of east New britain Province with particular reference to the potential and acceptability of new agroforestry project...

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The earth manual / door Margolin, Malcolm

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Slope stability problems on the Dreikikir to Wasisi road, East Sepik District / door Jacobson, G.

Onderwerpen: “…Slopes (Soil mechanics) Papua New Guinea.…”

CIRIA report /

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Southern Highlands Highway volcanic ash soils / door Kiek, Sidney Noel

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Regional action learning programme development of conservation farming systems : report of the inaugural workshop, Chiang Mai, Thailand, 23 February-1 March, 1990 /

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Land for tomorrow : subsistence agriculture, soil fertility and ecosystem stability in the New Guinea highlands / door Wood, Andrew Wardman

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Slope stability investigation of Pauanda Forebay area / door King, J.

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Regional action planning programme on the conservation farming system : report of the review workshop, Lumut, Perak, Malaysia, 26-30 August 1991 /

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Natural regeneration following clear-fell logging operations in the Gogol Valley, Papua New Guinea / door Saulei, Simon M.

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