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John Robert Eyer

19 cilt bulundu.

Cilt sonuçları

A History of Southampton

John Silvester Davies · Yayınevi bilinmiyor

576 sayfa · 1883

Southampton (England)

The Church Bells of Suffolk

John James Raven · Yayınevi bilinmiyor

312 sayfa · 1890

Bell founders

The Comparative Morphology of the Male Genitalia of the Primitive Lepidoptera

John Robert Eyer · Yayınevi bilinmiyor

82 sayfa · 1924

Generative organs, Male

Bulletin

John Robert Eyer · Yayınevi bilinmiyor

24 sayfa · 1922

Agriculture

Effect of Cooking on the Riboflavin and Vitamin B6 Content of Pinto Beans

Donald Robert Burnham, Edith M. Lantz, Erle L. Hardy, Frank Lowenstein, Govan N. Stroman, John Carter (Jr.), John Robert Eyer, Percy Walter Cockerill, Philip Earle Neale, Sigurd Arthur Johansen, C. P. Wilson, Hazen Bascom Pingrey, John Clay Overpeck, · Yayınevi bilinmiyor

Factors Affecting the Germination and Growth of Chamiza

A. L. Walker, Arra Burton Fite, C. P. Wilson, C. W. Botkin, Donald Robert Burnham, J. L. Lantow, John Robert Eyer, R. F. Crawford, E. E. Anderson, Fabián García, Harry J. Clemmer, Leroy N. Berry · Yayınevi bilinmiyor

672 sayfa · 1928

Agricultural experiment stations

ApplesField Comparisons of Insecticides for Control of the Codling MothJohn Robert Eyer

Field Comparisons of Insecticides for Control of the Codling Moth

John Robert Eyer · Yayınevi bilinmiyor

44 sayfa · 1938

Apples

CiltThe Comparative Morphology of the Male Gemitalia of the Primitive Lepidoptera... by John R. Eyer,...John Robert Eyer

The Comparative Morphology of the Male Gemitalia of the Primitive Lepidoptera... by John R. Eyer,...

John Robert Eyer · Yayınevi bilinmiyor

Sayfa sayısı yok · 1924

Kategori yok

Codling mothTen Years' Experiments with Codling Moth Bait Traps, Light Traps, and Trap BandsJohn Robert Eyer

Ten Years' Experiments with Codling Moth Bait Traps, Light Traps, and Trap Bands

John Robert Eyer · Yayınevi bilinmiyor

67 sayfa · 1937

Codling moth

Insect pestsNew Insecticides for Garden InsectsJohn Robert Eyer

New Insecticides for Garden Insects

John Robert Eyer · Yayınevi bilinmiyor

24 sayfa · 1951

Insect pests

PotatoesDusting and Spraying for the Control of Insect Pests of the Irish PotatoJohn Robert Eyer, Joseph V. Enzie

Dusting and Spraying for the Control of Insect Pests of the Irish Potato

John Robert Eyer, Joseph V. Enzie · Yayınevi bilinmiyor

40 sayfa · 1939

Potatoes

AlfalfaForage and Milk Yields from Alfalfa Under Three Different Harvesting SystemsHazen Bascom Pingrey, John Robert Eyer, Merrill R. Pack, Morris Evans, Paul A. Fryxell, Philip Earle Neale, Robert M. Porter, Ward William Repp, William D. McFadden

Forage and Milk Yields from Alfalfa Under Three Different Harvesting Systems

Hazen Bascom Pingrey, John Robert Eyer, Merrill R. Pack, Morris Evans, Paul A. Fryxell, Philip Earle Neale, Robert M. Porter, Ward William Repp, William D. McFadden · Yayınevi bilinmiyor

22 sayfa · 1957

Alfalfa

Codling mothCodling Moth ControlJohn Robert Eyer, Joseph V. Enzie

Codling Moth Control

John Robert Eyer, Joseph V. Enzie · Yayınevi bilinmiyor

23 sayfa · 1947

Codling moth

OnionsThe Biology of the Onion Maggot ...John Robert Eyer

The Biology of the Onion Maggot ...

John Robert Eyer · Yayınevi bilinmiyor

Sayfa sayısı yok

Onions

Apple root-borerThe Giant Apple Root BorerR. F. Crawford, John Robert Eyer

The Giant Apple Root Borer

R. F. Crawford, John Robert Eyer · Yayınevi bilinmiyor

8 sayfa · 1928

Apple root-borer

CiltBionomics and Control of the Onion MaggotPennsylvania State University. Agricultural Experiment Station, J.R. Ever

Bionomics and Control of the Onion Maggot

Pennsylvania State University. Agricultural Experiment Station, J.R. Ever · Yayınevi bilinmiyor

Sayfa sayısı yok · 1922

Kategori yok

CiltLife History and Control of the Giant Apple Root BorerNew Mexico State University. Agricultural Experiment Station, J.R. Eyer

Life History and Control of the Giant Apple Root Borer

New Mexico State University. Agricultural Experiment Station, J.R. Eyer · Yayınevi bilinmiyor

Sayfa sayısı yok · 1942

Kategori yok

Beneficial insectsLaboratory and Field Manual of Economic Entomology (revised)John Robert Eyer

Laboratory and Field Manual of Economic Entomology (revised)

John Robert Eyer · Yayınevi bilinmiyor

Sayfa sayısı yok · 1932

Beneficial insects

CiltLaboratory and Field Manual of Economic EntomologyJohn Robert Eyer

Laboratory and Field Manual of Economic Entomology

John Robert Eyer · Yayınevi bilinmiyor

260 sayfa · 1938

Kategori yok