l e melchers

L. E. Melchers · U.S. Dept. of Agriculture

32 sayfa · 1922

Wheat / Varieties / Disease and pest resistance / Rust diseases

L. E. Melchers · Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture

68 sayfa · 1939

Wheat / Puccinia graminis / Leaf rust of wheat / Diseases and pests

L. E. Melchers · Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture

103 sayfa · 1941

Wheat / Puccinia graminis / Diseases and pests

L. E. Melchers · Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture

175 sayfa · 1940

Milo / Sorghum / Varieties / Diseases and pests

L. E. Melchers · U. S. Government Printing Office

11 sayfa · 1932

Kategori yok

L. E. Melchers · Agricultural Experiment Station, Kansas State Agricultural College

38 sayfa · 1916

Smut diseases / Forage plants / Diseases and pests / Grain

L. E. Melchers · Agricultural Experiment Station, Kansas State Agricultural College

23 sayfa · 1926

Plant diseases

L. E. Melchers · Yayınevi bilinmiyor

106 sayfa · 1931

Kategori yok

Joseph Henry Merrill, L. E. Melchers · Agricultural Experiment Station, Kansas State Agricultural College

12 sayfa · 1918

Vegetables / Diseases and pests

C. O. Johnston, L. E. Melchers · Agricultural Experiment Station, Kansas State Agricultural College

37 sayfa · 1928

Sorghum / Seeds / Viability / Diseases and pests / Control