Seedling-inarch and nurse-plant methods of propagation
George W. Oliver
Seedling-inarch and nurse-plant methods of propagation - Washington 1911 - 43p. - United States Department of Agriculture No.202, Bureau of plant industry .
Seedling-inarch and nurse-plant methods of propagation - Washington 1911 - 43p. - United States Department of Agriculture No.202, Bureau of plant industry .