| The contribution of genetic resources and diversity to wheat production in the Punjab of Pakistan M Smale, J Hartell, PW Heisey, B Senauer American Journal of Agricultural Economics 80 (3), 482-493, 1998 | 262 | 1998 |
| Fertilizer use and maize production in sub-Saharan Africa PW Heisey, WM Mwangi CIMMYT, 1996 | 258 | 1996 |
| Cereal-crop productivity in developing countries: past trends and future prospects PL Pingali, PW Heisey Agricultural science policy: Changing global agendas 99 (3), 56-82, 2001 | 237 | 2001 |
| Research investments and market structure in the food processing, agricultural input, and biofuel industries worldwide K Fuglie, P Heisey, JL King, K Day-Rubenstein, D Schimmelpfennig, ... USDA-ERS Economic Research Report, 2011 | 199 | 2011 |
| Maize of the ancestors and modern varieties: The microeconomics of high-yielding variety adoption in Malawi M Smale, PW Heisey, HD Leathers Economic Development and Cultural Change 43 (2), 351-368, 1995 | 199 | 1995 |
| Maize seed industries in developing countries ML Morris Lynne Rienner Publishers, 1998 | 195 | 1998 |
| Maize production in drought-stressed environments: technical options and research resource allocation PW Heisey, GO Edmeades World maize facts and trends 1997, 1998, 1999 | 193 | 1999 |
| Impacts of the training and visit extension system on farmers' knowledge and adoption of technology: Evidence from Pakistan SS Hussain, D Byerlee, PW Heisey Agricultural Economics 10 (1), 39-47, 1994 | 170 | 1994 |
| ASTI Global assessment of agricultural R&D spending: Developing countries accelerate investment. N Beintema, GJ Stads, K Fuglie, P Heisey | 152 | 2012 |
| An analytical model of farmers' demand for replacement seed PW Heisey, JP Brennan American Journal of Agricultural Economics 73 (4), 1044-1052, 1991 | 150 | 1991 |
| Wheat rusts and the costs of genetic diversity in the Punjab of Pakistan PW Heisey, M Smale, D Byerlee, E Souza American Journal of Agricultural Economics 79 (3), 726-737, 1997 | 129 | 1997 |
| Past and potential impacts of maize research in sub-Saharan Africa: a critical assessment D Byerlee, PW Heisey Food Policy 21 (3), 255-277, 1996 | 128 | 1996 |
| Impacts of international wheat breeding research in developing countries, 1966-97 PW Heisey, MA Lantican, HJ Dubin CIMMYT, 2002 | 125 | 2002 |
| Agricultural productivity growth in the United States: Measurement, trends, and drivers SL Wang, P Heisey, D Schimmelpfennig, VE Ball Economic Research Service, Paper No. Err-189, 2015 | 121 | 2015 |
| Economic returns to public agricultural research KO Fuglie, PW Heisey | 113 | 2007 |
| Crop genetic resources: an economic appraisal KA Day-Rubenstein, PW Heisey, RA Shoemaker, J Sullivan, GB Frisvold | 113 | 2005 |
| Economic issues in agricultural biotechnology RA Shoemaker, JL Harwood, KA Day-Rubenstein, T Dunahay, ... United States Department of Agriculture, Economic Research Service, 2001 | 112 | 2001 |
| Accelerating the transfer of wheat breeding gains to farmers: a study of the dynamics of varietal replacement in Pakistan M Ahmad CIMMYT, 1990 | 110 | 1990 |
| Agricultural adaptation to a changing climate: economic and environmental implications vary by US region S Malcolm, E Marshall, M Aillery, P Heisey, M Livingston, ... USDA-ERS Economic Research Report, 2012 | 98 | 2012 |
| Evolution of the African maize economy D Byerlee, PW Heisey Africa's Emerging Maize Revolution, 9-22, 1997 | 96 | 1997 |
Kelly Day RubensteinVerified email at ers.usda.gov
