Hildebrand, Peter E.
On-farm agronomic trials in farming systems research and extension Peter E. Hildebrand and Federico Poey - Boulder, Colo L. Rienner 1985 - xvi, 162 p. ill 24 cm.
Agriculture--Research--On-farm
Field experiments
Agricultural innovations--Research
Agricultural systems--Research
Agricultural extension work
Appropriate technology--Research
630 / .72
On-farm agronomic trials in farming systems research and extension Peter E. Hildebrand and Federico Poey - Boulder, Colo L. Rienner 1985 - xvi, 162 p. ill 24 cm.
Agriculture--Research--On-farm
Field experiments
Agricultural innovations--Research
Agricultural systems--Research
Agricultural extension work
Appropriate technology--Research
630 / .72