Oceania Benchmark Sites Network for Agrotechnology Transfer (OBSNAT) Workshop : Noumea, New Caledonia, 5-16 June 1989 : report.

Vydáno 1989

Ogallala blue : water and life on the High Plains /

Autor Ashworth, William, 1942-
Vydáno 2006

On Fiji soil : memories of an agriculturalist /

Autor Reeve, Phyllis, 1938-
Vydáno 1989

Opportunities for increasing crop yields : taken from proceedings of a meeting held at the University of Reading, 17-21 September 1979 to celebrate the 75th anniversary of the Asso...

Vydáno 1980

Organic agriculture : economic and ecological comparisons with conventional methods /

Autor Oelhaf, Robert C., 1938-
Vydáno 1978

Out of the earth : civilization and the life of the soil /

Autor Hillel, Daniel
Vydáno 1992

The persisting ecological constraints of tropical agriculture /

Autor Weischet, Wolfgang
Vydáno 1993

Planning for on-farm research : reports and papers from the first annual meeting of cooperators, Apia, Western Samoa, 4-10 April 1995 /

Vydáno 1995

Plant growth regulators for agricultural and amenity use : proceedings of a symposium organised by the British Crop Protection Council and the British Plant Growth Regulator Group,...

Vydáno 1987

Plant industry, soils and entomology groups in the Asian and Pacific region.

Vydáno 1974

Plants, food, and people /

Autor Chrispeels, Maarten J., 1938-
Vydáno 1977

The politics of agricultural research /

Autor Hadwiger, Don F.
Vydáno 1982

Postcolonial developments : agriculture in the making of modern India /

Autor Gupta, Akhil, 1959-
Vydáno 1998

Primary production in New Zealand.

Vydáno 1963

Proceedings of the 28th Lincoln College Farmers' Conference : 8-10 May 1978.

Vydáno 1978

RAP bulletin /

RAPA bulletin.

Regional information directory /

Vydáno 1986

Reintegrating fragmented landscapes : towards sustainable production and nature conservation /

Vydáno 1993

Remote sensing for agriculture, ecosystems, and hydrology : 22-24 September 1998, Barcelona, Spain /

Vydáno 1998