;Uphoff, Norman (Cornell University, NY, USA),Thies, Janice (Cornell university, School of Integrative Plant Sciences, Soil and Crop Sciences Section, NY, USA)
(1)
Bert Roest (EDT)/ Johanneke Uphoff (EDT)
(1)
Lal, Rattan,Hansen, David O.,Uphoff, Norman,Lal, Rattan
(1)
Lal, Rattan,Hobbs, Peter R.,Uphoff, Norman,Lal, Rattan
(1)
Norman Thomas Uphoff (EDT)/ Andrew S. Ball (EDT)/ Erick Fernandes (EDT)
(1)
Rattan Lal (EDT)/ Norman Uphoff (EDT)/ B. A. Stewart (EDT)/ David O. Hansen (EDT)
(1)
Rattan Lal (EDT)/ Peter R. Hobbs (EDT)/ Norman Uphoff (EDT)/ David O. Hansen (EDT)
(1)