Researcher · California State University, Fresno · United States
P. Heffer
P. Heffer publishes mostly in General Agricultural and Biological Sciences, Agronomy and Crop Science and Ecology, Evolution, Behavior and Systematics, on topics such as Crop Yield and Soil Fertility, Agricultural Economics and Practices and Agriculture and Rural Development Research.
- World rank
- #4,811,706 of 7,710,434 ranked researchers
- Rank in United States
- #1,260,273 of 1,627,098
- Works
- 35
- Citations
- 586
- Citations per work
- 16.7
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