Yazar
w p flint
27 cilt bulundu.
W. P. Flint · Illinois Natural History Survey
11 sayfa · 1919
Control / Locusts / Insect pests / Beneficial insects
W. P. Flint · University of Illinois Agricultural Experiment Station
388 sayfa · 1930
Oil as pesticide / Corn / Storage
W. P. Flint · University of Illinois Agricultural Experiment Station, in cooperation with the Natural History Survey, Illinois Dept. of Registration and Education
84 sayfa · 1924
Chinch-bugs / Control
W. P. Flint · University of Illinois Agricultural Experiment Station, in cooperation with the Natural History Survey, Illinois Dept. of Registration and Education
550 sayfa · 1923
Chinch-bugs / Disease and pest resistance / Corn / Diseases and pests
W. P. Flint · University of Illinois, College of Agriculture, Extension Service in Agriculture and Home Economics
12 sayfa · 1942
European corn borer / Control / Corn / Diseases and pests
W. P. Flint · Yayınevi bilinmiyor
Sayfa sayısı yok · 1920
Insect pests / Armyworms / Beneficial insects
W. P. Flint · Illinois Natural History Survey
12 sayfa · 1926
Fruittree leafroller / Fruit / Diseases and pests
W. P. Flint · Yayınevi bilinmiyor
Sayfa sayısı yok · 1919
Chinch-bugs / Insect pests / Beneficial insects
W. P. Flint · Illinois Natural History Survey
Sayfa sayısı yok · 1918
Insecticides / Insect baits and repellents
W. P. Flint · Illinois Natural History Survey
Sayfa sayısı yok · 1919
Corn / Corn root-aphis / Diseases and pests
W. P. Flint · Yayınevi bilinmiyor
Sayfa sayısı yok · 1920
European corn borer / Corn / Diseases and pests
W. P. Flint · Schnepp and Barnes, printers]
305 sayfa · 1920
Insects / Corn-stalk borer / Insect pests / Insects, Injurious and beneficial / Injurious and beneficial Insects
W. P. Flint · The Williams & Wilkins company in cooperation with the Century of progress exposition
133 sayfa · 1932
Insect pests
W. P. Flint · University of Illinois College of Agriculture and Agricultural Experiment Station
15 sayfa · 1928
European corn borer / Corn / Diseases and pests
W. L. Burlison, W. P. Flint · University of Illinois Agricultural Experiment Station
15 sayfa · 1923
Chinch-bugs / Control
W. S. Brock, W. P. Flint · University of Illinois Agricultural Experiment Station
Sayfa sayısı yok · 1919
San José scale / Control
W. P. Flint, M. D. Farrar · University of Illinois College of Agriculture, Agricultural Experiment Station and Extension Service in Agriculture and Home Economics
59 sayfa · 1940
Shade trees / Diseases and pests
A. S. Colby, H. W. Anderson, W. P. Flint · University of Illinois College of Agriculture, Agricultural Experiment Station and Extension Service in Agriculture and Home Economics
72 sayfa · 1940
Berries
J. J. 1886-1939 Pieper, W. P. 1882-1943 Flint, W. L. 1882-1958 Burlison · Creative Media Partners, LLC
Sayfa sayısı yok · 2018
Kategori yok
Matthew Arnold, W. Russell Flint, P. H. Lee-Warner · P.L. Warner
67 sayfa · 1910
English poetry / Description and travel