Planned change in farming systems: progress on farm research
Tripp, Robert
Planned change in farming systems: progress on farm research - Chichester Wiley 1991 - 24cm. 348
AGRICULTURAL RESEARCH
AGRICULTURAL RESEARCH AGRICULTURAL SYSTEMS
630.72 T78P
Planned change in farming systems: progress on farm research - Chichester Wiley 1991 - 24cm. 348
AGRICULTURAL RESEARCH
AGRICULTURAL RESEARCH AGRICULTURAL SYSTEMS
630.72 T78P