Yazar
a w cressman
6 cilt bulundu.
A. W. Cressman · U.S. Dept. of Agriculture, Agricultural Research Service
Sayfa sayısı yok · 1959
Aonidiella aurantii / Control / Insecticides / Research / Oranges
A. W. Cressman · U.S. Dept. of Agriculture, Agricultural Research Service
Sayfa sayısı yok · 1957
Insecticides / Research / Aonidiella aurantii / Control
A. W. Cressman · U.S. Dept. of Agriculture, Agricultural Research Service
Sayfa sayısı yok · 1961
Insecticides / Testing / Aonidiella aurantii / Control
A. W. Cressman · U.S. Dept. of Agriculture
20 sayfa · 1935
Scale insects / Control / Camphor tree / Diseases and pests
A. W. Cressman · U.S. Dept. of Agriculture
14 sayfa · 1955
Rubberized fabrics / Fumigation / Equipment and supplies / Laminated fabrics
A. W. Cressman, Lynn H. Dawsey, United States. Department of Agriculture. National Agricultural Library. · U.S. Dept. of Agriculture
15 sayfa · 1942
Oil as pesticide / Insecticides / Insecticidal plants