Query : History of minnesota agriculture

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Studies of cultivated varieties historically used in agriculture provide measures of genetic gain and help to identify the morphological features, physiological characteristics, and ultimately, the germplasm which contributes those gains. The extent and manner in which genetic diversity is used determines the amount and sustainability of productivity gains. France and the Northern Corn Belt of ...

SUBJECT: iowa; ancestry; germplasm; ascendance; storia

POSTED TO: Maydica (Italy) [0025-6153]

SUBJECT: intensive farming; manejo de praderas; plant communities; communaute vegetale; rendement des cultures

POSTED TO: LOELF Mitteilungen

SUBJECT: fraise; reproduccion sexual; genetic resources; ribes; recursos geneticos

POSTED TO: Aspects of Applied Biology (United Kingdom)

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Wetlands are one of the fastest disappearing habitats in America. Many wetlands are also being altered due to the effects of various types of land use. Because wetlands provide important habitat for many types of birds, these species can be affected by changes in wetlands due to land use. The impacts of several wetland features, including wetland size, proximity to other wetlands, and vegetati ...

SUBJECT: agriculture; wetland birds; urban development; landscape ecology

Inter-firm differences in economic efficiency are major factors explaining differences in firm survival and growth and changes in industry structure. Thus, factors explaining differences in efficiency are of major interest to many involved in or affected by the industry. This study was undertaken to improve our understanding of the inter-farm differences in farm household efficiency in utilizi ...

SUBJECT: productivity analysis

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