 | 1922 - 530 pagina’s
...Bureau of Entomology. CONTENTS. Page. 9 13 u 13 13 INTRODUCTION. Experiments made at American University by the Bureau of Entomology of the United States Department of Agriculture, in cooperation with the Chemical Warfare Service of the United States War Department, on the action... | |
 | Louisiana State University and Agricultural and Mechanical College - 1909 - 818 pagina’s
...is essential for the development of the cane. SUCROSE DECREASE IN BORER CANE. In a recent circular published by the Bureau of Entomology of the United States Department of Agriculture, Barber* has called attention to the fact that in Louisiana, borer cane runs considerably lower in sucrose... | |
 | 1918 - 712 pagina’s
...STREAM .SPRAY WITHOUT AND WITH THE SPREADER ATTACHMENT Fig. 1. — One of the motor truck sprayers used by the Bureau of Entomology of the United States Department of Agriculture in the gipsy and brown tail moth work in New England. Note the number of men required as hose bearers... | |
 | Cuba. Military Governor, 1899-1902 (Leonard Wood) - 1901 - 640 pagina’s
...to said sugar estate for the purpose of testing the fungus recommended and forwarded to this Island by the Bureau of Entomology of the United States Department of Agriculture at Washington. We have also continued our experiments with the object of fighting the micro-organism... | |
 | Puerto Rico. Agricultural Experiment Station, Mayaguez - 1903 - 974 pagina’s
...gives promise of a bright future. The reports of large honey crops obtained on the island received by the Bureau of Entomology of the United States Department of Agriculture and the recent progress in the development of the beekeeping industry made it seem desirable that a... | |
 | Vermont Agricultural Experiment Station - 1905 - 236 pagina’s
...examination), which revealed the presence of an immense number of leaf miners. These insects were identified by the Bureau of Entomology of the United States Department of Agriculture as Tischeria malifoliella Clem. A somewhat careful survey of the entire orchard showed that with few exceptions... | |
 | Vermont Agricultural Experiment Station - 1906 - 234 pagina’s
...examination!, which revealed the presence of an immense number of leaf miners. These insects were identified by the Bureau of Entomology of the United States Department of Agriculture as Tischeria malifoliella Clem. A somewhat careful survey of the entire orchard showed that with few exceptions... | |
 | 1906 - 222 pagina’s
...agitation was in regard to the efficacy of Paris green. Although the cultural system had been recommended by the Bureau of Entomology of the United States Department of Agriculture as the chief source of reliance in securing a cotton crop, something simpler and quicker was desired.... | |
 | 1906 - 122 pagina’s
...Nevertheless the San Jose scale has not been an unmitigated scourge, and the active investigations by. the Bureau of Entomology of the United States Department of Agriculture and the entomologists of the State experiment stations have demonstrated the practicability of several... | |
 | Glenn Washington Herrick - 1907 - 414 pagina’s
...most notable demonstration of the value of insects in the cross fertilization of fruits has been made by the Bureau of Entomology of the United States Department of Agriculture in connection with fig growing in California. To produce the best quality of fruit the flowers of the... | |
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... by the Bureau of Entomology of the United States Department of Agriculture, as well as by numerous experiment-station entomologists, notably by Profs. 
