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

Publicado 1989

Ogallala blue : water and life on the High Plains /

por Ashworth, William, 1942-
Publicado 2006

On Fiji soil : memories of an agriculturalist /

por Reeve, Phyllis, 1938-
Publicado 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...

Publicado 1980

Organic agriculture : economic and ecological comparisons with conventional methods /

por Oelhaf, Robert C., 1938-
Publicado 1978

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

por Hillel, Daniel
Publicado 1992

The persisting ecological constraints of tropical agriculture /

por Weischet, Wolfgang
Publicado 1993

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

Publicado 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,...

Publicado 1987

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

Publicado 1974

Plants, food, and people /

por Chrispeels, Maarten J., 1938-
Publicado 1977

The politics of agricultural research /

por Hadwiger, Don F.
Publicado 1982

Postcolonial developments : agriculture in the making of modern India /

por Gupta, Akhil, 1959-
Publicado 1998

Primary production in New Zealand.

Publicado 1963

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

Publicado 1978

RAP bulletin /

RAPA bulletin.

Regional information directory /

Publicado 1986

Reintegrating fragmented landscapes : towards sustainable production and nature conservation /

Publicado 1993

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

Publicado 1998