Crop variety improvement and its effect on productivity: the impact of international agricultural research
Evenson r e
Crop variety improvement and its effect on productivity: the impact of international agricultural research - CABI 2003 - xxv;522p
Field crops breedings
631.5'2 / EVE.C
Crop variety improvement and its effect on productivity: the impact of international agricultural research - CABI 2003 - xxv;522p
Field crops breedings
631.5'2 / EVE.C