1. Crop variety improvement and its effect on productivity: the impact of international agricultural research

کتابخانه: كتابخانه مركزی كشاورزى (تهران)

موضوع: $AField crops$BBreeding,$AField crops$BGenetics,$ACrop improvement,$AAgriculture$BResearch -- International cooperation,$AAgricultural productivity

رده :
SB
185
.
7
.
C76
2003