The Use of Aircraft in Agriculture


Book Description

Origin of aerial application and early development. Development of an aerial application industry. Growth patterns and world levels of aerial application. Aerial application organizations. Government regulation of aerial application. Aerial applicator organizations. Government regulation of aerial application. Aircraft types used for aerial applications. Aerial equipment for despersing dry and liquid materials. Application techniques. Meteorological factors relating to aircraft applications. Operational analysis of agricultural aircraft use. Flight planning, aircraft lloading, and field layout. Aircraft flight safety and airworthines. Agricultural pilot training. Specific treatment practices.













Chemical Lands


Book Description

An exploration of the elaborate relationship between farmers, aerial sprayers, agriculturalists, crop pests, chemicals, and the environment. The controversies in the 1960s and 1970s that swirled around indiscriminate use of agricultural chemicals—their long-term ecological harm versus food production benefits—were sparked and clarified by biologist Rachel Carson’s Silent Spring (1962). This seminal publication challenged long-held assumptions concerning the industrial might of American agriculture while sounding an alarm for the damaging persistence of pesticides, especially chlorinated hydrocarbons such as DDT, in the larger environment. In Chemical Lands: Pesticides, Aerial Spraying, and Health in North America’s Grasslands since 1945 David D. Vail shows, however, that a distinctly regional view of agricultural health evolved. His analysis reveals a particularly strong ethic in the North American grasslands where practitioners sought to understand and deploy insecticides and herbicides by designing local scientific experiments, engineering more precise aircraft sprayers, developing more narrowly specific chemicals, and planting targeted test crops. Their efforts to link the science of toxicology with environmental health reveal how the practitioners of pesticides evaluated potential hazards in the agricultural landscape while recognizing the production benefits of controlled spraying. Chemical Lands adds to a growing list of books on toxins in the American landscape. This study provides a unique Grasslands perspective of the Ag pilots, weed scientists, and farmers who struggled to navigate novel technologies for spray planes and in the development of new herbicides/insecticides while striving to manage and mitigate threats to human health and the environment.







Aircraft in Agriculture


Book Description




Aircraft in Agriculture


Book Description




Conference on Statistics 1960


Book Description

In 1958 the Canadian Political Science Association established a committee to look into ways and means of improving statistical research in the social sciences in Canada. One of the ways in which the committee thought this could be done was by establishing an annual forum where papers could be presented and discussed. Eight papers given at the first Conference at Queen's University are contained in this volume. Diverse alike in subject and statistical method---as indeed a collection of papers reflecting the purpose of the founding committee is bound to be---the papers as printed incorporate the discussion that attended their presentation in 1960. The papers are: K.A.H. Buckley, "Historical Estimates of Internal Migration in Canada,"; Richard E. Du Wurs, Robert Batson, Margaret Daffron, "The 'Mass Society' and 'Community' Analyses of the Social Present"; P.J. Giffen, "Canadian Criminal Statistics"; E.J. Hanson, "The Post-war Rise of the Crude Petroleum Industry"; Gideon Rosenbluth, "Salaries of Engineers and Scientists, 1951"; David N. Solomon, Agnes M. Fergusson, "The Distribution and Functions of Canadian Engineers and Scientists"; K.W. Studnicki-Gizbert, "The Structure and Growth of the Canadian Air Transport Industry"; T.R. Vout, "The Canadian Manufacturing Industry, 1900-57."