Toward the 21st century CIMMYT's strategy
Author | : |
Publisher | : CIMMYT |
Total Pages | : 88 |
Release | : 1989 |
Genre | : Corn |
ISBN | : 9789686127331 |
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Author | : |
Publisher | : CIMMYT |
Total Pages | : 88 |
Release | : 1989 |
Genre | : Corn |
ISBN | : 9789686127331 |
Author | : International Maize and Wheat Improvement Center |
Publisher | : |
Total Pages | : 28 |
Release | : 1989 |
Genre | : Corn |
ISBN | : |
Author | : |
Publisher | : CIMMYT |
Total Pages | : 118 |
Release | : 1993 |
Genre | : Corn |
ISBN | : 9789686127928 |
Author | : International Maize and Wheat Improvement Center |
Publisher | : CIMMYT |
Total Pages | : 124 |
Release | : 1992 |
Genre | : Corn |
ISBN | : 9789686127645 |
Author | : |
Publisher | : Int. Rice Res. Inst. |
Total Pages | : 342 |
Release | : 1990 |
Genre | : Technology & Engineering |
ISBN | : 9711042266 |
Author | : |
Publisher | : CIMMYT |
Total Pages | : 552 |
Release | : 1996 |
Genre | : Wheat |
ISBN | : 9789291460076 |
Author | : |
Publisher | : CIMMYT |
Total Pages | : 105 |
Release | : |
Genre | : |
ISBN | : 9706481559 |
Author | : A. D. Hartkamp |
Publisher | : CIMMYT |
Total Pages | : 37 |
Release | : 2001 |
Genre | : Corn |
ISBN | : 9706480501 |
This publication presents a GIS-based approach for revising the definitions of global maize production environments, called “mega-environments” (MEs), used by CIMMYT and its partners. A cluster analysis was performed on climate data, representing a four-month growing season, for key maize producing locations. Assuming rainfed production, the onset of the growing season was determined based on the month when the ratio of precipitation over potential evapotranspiration exceeds 0.5. Diagnostic criteria for mapping MEs were based on cluster analysis results and expert knowledge. The resulting maps can be used to select appropriate target environments for maize germplasm and trials, as well as in priority setting and site selection for global maize breeding programs.
Author | : Carl F. Jordan |
Publisher | : Springer Science & Business Media |
Total Pages | : 262 |
Release | : 2013-05-17 |
Genre | : Science |
ISBN | : 9400767900 |
Modern industrial agriculture is not sustainable because of its heavy reliance on petroleum, a non-renewable source of the energy used in farming, and because of pollution caused by petroleum products such as fertilizers and pesticides. A systems analysis of farming suggests that agriculture will be more sustainable when services of nature, such as nutrient recycling by soil micro-organisms and natural controls of insects, replace the services now provided by energy from petroleum. Examples are drawn from the Southeastern USA, but lessons learned can be applied worldwide.
Author | : |
Publisher | : CIMMYT |
Total Pages | : 44 |
Release | : |
Genre | : |
ISBN | : 9789706480255 |