Diseases of watermelons
Orton, W.A.
Diseases of watermelons - Washington 1922 - 1-31 p. - Disease, Watermelon United States Department of Agriculture. Farmers Bulletin No. 1277 .
Diseases of watermelons - Washington 1922 - 1-31 p. - Disease, Watermelon United States Department of Agriculture. Farmers Bulletin No. 1277 .