A preliminary evaluation of the "Harvest survey technique"
Bell, M.A.
A preliminary evaluation of the "Harvest survey technique" - 1989 - Printed
English
Crops
Developing Countries
Methods
Mexico
Production
Wheat
Yields
Farming systems
A preliminary evaluation of the "Harvest survey technique" - 1989 - Printed
English
Crops
Developing Countries
Methods
Mexico
Production
Wheat
Yields
Farming systems