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irving e melhus
13 cilt bulundu.
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Experiments on spore germination and infection in certain species of Oomycetes
Irving E. Melhus · The University of Wisconsin Agricultural Experiment Station
91 sayfa · 1911
Oomycetes / Plant diseases
Fungicidal action of formaldehyde
Irving E. Melhus, Joseph C. Gilman, James B. Kendrick · Yayınevi bilinmiyor
397 sayfa · 1920
Kategori yok
Pythium graminicola subr. on barley
Wen-chun Ho, C. H. Meredith, Irving E. Melhus · Yayınevi bilinmiyor
314 sayfa · 1941
Barley / Diseases and pests / Pythium
Plant research in the tropics
Irving E. Melhus, Iowa State College. Tropical Research Center · Agricultural Experiment Station, Iowa State College
660 sayfa · 1949
Corn / Diseases and pests
Iowa laws relating to noxious weeds, together with descriptions and methods of control
Irving E. Melhus, R. H. Porter, E. P. Sylvester, Iowa. Department of Agriculture · State of Iowa.
43 sayfa · 1939
Weeds / Control / Law and legislation