Solar energy for agriculture; review of research
Trotter, W. K.
Solar energy for agriculture; review of research - Washington, USDA. : Economic, Statistics and Cooperative Service, 1979 - 26 p. : ilus. - ESCS-6/7 . - ESCS-6/7 .
54602
Agricultura.
Energía solar.
Solar energy for agriculture; review of research - Washington, USDA. : Economic, Statistics and Cooperative Service, 1979 - 26 p. : ilus. - ESCS-6/7 . - ESCS-6/7 .
54602
Agricultura.
Energía solar.