Quantity :1
Title: Planned change in farming systems: Progress in on-farm research
Author : Tripp, Robert (ed.)
Subject:
farming systems research case studies research policy alley farming rice-based cropping system maize postharvest technology
Material : book
Publisher : John Wiley & Sons Ltd.,
Publication Date : 1991
PR-M
1991
S540.O53P43
SEARCA Library
Printed