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

Έκδοση 1989

Ogallala blue : water and life on the High Plains /

ανά Ashworth, William, 1942-
Έκδοση 2006

On Fiji soil : memories of an agriculturalist /

ανά Reeve, Phyllis, 1938-
Έκδοση 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...

Έκδοση 1980

Organic agriculture : economic and ecological comparisons with conventional methods /

ανά Oelhaf, Robert C., 1938-
Έκδοση 1978

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

ανά Hillel, Daniel
Έκδοση 1992

The persisting ecological constraints of tropical agriculture /

ανά Weischet, Wolfgang
Έκδοση 1993

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

Έκδοση 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,...

Έκδοση 1987

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

Έκδοση 1974

Plants, food, and people /

ανά Chrispeels, Maarten J., 1938-
Έκδοση 1977

The politics of agricultural research /

ανά Hadwiger, Don F.
Έκδοση 1982

Postcolonial developments : agriculture in the making of modern India /

ανά Gupta, Akhil, 1959-
Έκδοση 1998

Primary production in New Zealand.

Έκδοση 1963

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

Έκδοση 1978

RAP bulletin /

RAPA bulletin.

Regional information directory /

Έκδοση 1986

Reintegrating fragmented landscapes : towards sustainable production and nature conservation /

Έκδοση 1993

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

Έκδοση 1998