Seeds of change
Black, Eugene R Brown, Lester R
Seeds of change green revolution and development in the 1979's - New York Praeger publishers 1970 - xiv,205p.; 22cm.
Agriculture change - seeds - America
Green revolution - seeds - America
Irrigation strategies
Marketing system
Population problem
Seeds of change green revolution and development in the 1979's - New York Praeger publishers 1970 - xiv,205p.; 22cm.
Agriculture change - seeds - America
Green revolution - seeds - America
Irrigation strategies
Marketing system
Population problem