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| Agronomy | 4 |
| Research Projects | 3 |
| Agricultural Production | 2 |
| Agricultural Research Projects | 2 |
| Field Crops | 2 |
| Agriculture | 1 |
| Biological Sciences | 1 |
| Climate | 1 |
| Disease Control | 1 |
| Diseases | 1 |
| Economic Research | 1 |
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| Science | 4 |
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Peer reviewedAtchison, Joseph E. – Science, 1976
Descriptors: Agricultural Research Projects, Agronomy, Economic Research, Natural Resources
Peer reviewedYarwood, C. E. – Science, 1970
Descriptors: Agriculture, Agronomy, Disease Control, Diseases
Peer reviewedNewman, James E.; Pickett, Robert C. – Science, 1974
This article contains an outline of the major variations in the world's climates and suggestions for taking these variations into account in any plans made to improve world food production and supply. (PEB)
Descriptors: Agricultural Production, Agronomy, Climate, Field Crops
Peer reviewedBrown, Lester R. – Science, 1970
Descriptors: Agricultural Production, Agricultural Research Projects, Agronomy, Biological Sciences
