A Study of the Influence of Management Practices of Alfalfa Seed Production in Manitoba PDF Download
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Author: K. W. Plews Publisher: ISBN: Category : Languages : en Pages : 105
Book Description
Alfalfa seed production in Canada has been highly variable over the past two decades. Seed production has decreased from a high of 13.5 million pounds in 1952 to a low of just over l.0 million pounds in 1969. The three prairie provinces have accounted for over 80 percent of the alfalfa seed produced in Canada. Of this the province of Manitoba produced approximateLy 23 percent, (through personal communication with K.D. Russell, Lethbridge L973). Canada imported from 3 - 7 million pounds of alfalfa seed annually throughout the 1956-72 period and though seed production has been on a downward trend, seed use has been increasing. For these reasons attempts are being made to increase alfalfa seed production in Canada in general and in the province of Manitoba in particular. The importation of the alfalfa leaf-cutter bee Megachile rotundata F. into Alberta and Saskatchewan has resulted in a revival of the alfalfa seed industry In these regions during the past several years (Heinrichs (23)). Hobbs (25) has stated that this bee was most useful in areas in Western Canada where there was 350 or more daylight hours with temperatures above 69 F. during the pollinating period of alfalfa. Hobbs has also pointed out that these requirements are met in southern Manitoba. Little information is available in Manitoba on the management of the alfalfa seed crop itself. This study was set up to investigate some of the management problems confronting the Manitoba grower. The main question has been to what extent low seed yields were attributable to climate or to other factors. This study was concerned with the effects of planting densities as well as pre-cutting in spring on alfalfa seed yields. Data was collected on flower initiation dates, the length of the blooming period, pollen and nectar production ...
Author: K. W. Plews Publisher: ISBN: Category : Languages : en Pages : 105
Book Description
Alfalfa seed production in Canada has been highly variable over the past two decades. Seed production has decreased from a high of 13.5 million pounds in 1952 to a low of just over l.0 million pounds in 1969. The three prairie provinces have accounted for over 80 percent of the alfalfa seed produced in Canada. Of this the province of Manitoba produced approximateLy 23 percent, (through personal communication with K.D. Russell, Lethbridge L973). Canada imported from 3 - 7 million pounds of alfalfa seed annually throughout the 1956-72 period and though seed production has been on a downward trend, seed use has been increasing. For these reasons attempts are being made to increase alfalfa seed production in Canada in general and in the province of Manitoba in particular. The importation of the alfalfa leaf-cutter bee Megachile rotundata F. into Alberta and Saskatchewan has resulted in a revival of the alfalfa seed industry In these regions during the past several years (Heinrichs (23)). Hobbs (25) has stated that this bee was most useful in areas in Western Canada where there was 350 or more daylight hours with temperatures above 69 F. during the pollinating period of alfalfa. Hobbs has also pointed out that these requirements are met in southern Manitoba. Little information is available in Manitoba on the management of the alfalfa seed crop itself. This study was set up to investigate some of the management problems confronting the Manitoba grower. The main question has been to what extent low seed yields were attributable to climate or to other factors. This study was concerned with the effects of planting densities as well as pre-cutting in spring on alfalfa seed yields. Data was collected on flower initiation dates, the length of the blooming period, pollen and nectar production ...
Author: K. W. Plews Publisher: 1973. ISBN: Category : Languages : en Pages : 210
Book Description
Alfalfa seed production in Canada has been highly variable over the past two decades. Seed production has decreased from a high of 13.5 million pounds in 1952 to a low of just over l.0 million pounds in 1969. The three prairie provinces have accounted for over 80 percent of the alfalfa seed produced in Canada. Of this the province of Manitoba produced approximateLy 23 percent, (through personal communication with K. D. Russell, Lethbridge L973). Canada imported from 3 - 7 million pounds of alfalfa seed annually throughout the 1956-72 period and though seed production has been on a downward trend, seed use has been increasing. For these reasons attempts are being made to increase alfalfa seed production in Canada in general and in the province of Manitoba in particular. The importation of the alfalfa leaf-cutter bee Megachile rotundata F. into Alberta and Saskatchewan has resulted in a revival of the alfalfa seed industry In these regions during the past several years (Heinrichs (23)). Hobbs (25) has stated that this bee was most useful in areas in Western Canada where there was 350 or more daylight hours with temperatures above 69 F. during the pollinating period of alfalfa. Hobbs has also pointed out that these requirements are met in southern Manitoba. Little information is available in Manitoba on the management of the alfalfa seed crop itself. This study was set up to investigate some of the management problems confronting the Manitoba grower. The main question has been to what extent low seed yields were attributable to climate or to other factors. This study was concerned with the effects of planting densities as well as pre-cutting in spring on alfalfa seed yields. Data was collected on flower initiation dates, the length of the blooming period, pollen and nectar production....
Author: Wade H. Shafer Publisher: Springer Science & Business Media ISBN: 1461559693 Category : Science Languages : en Pages : 341
Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this jOint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 40 (thesis year 1995) a total of 10,746 thesis titles from 19 Canadian and 144 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 40 reports theses submitted in 1995, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Author: K. W. Plews
Author: K. W. Plews
Author: Kenneth W. Plews
Author: K. W. Plews
Author: Gary Coukell
Author: J. R. Moyer
Author: Agro-Man Project
Author: Molu Dika Sora
Author: Philip Eugene Dade
Author: Wade H. Shafer
Author: Canada. Department of Regional Economic Expansion