Ungureanu, George; Stanciu, Mihai; Pop, Cecilia; Brezuleanu, Carmen-Olguța; Ignat, Gabriela; Moraru, Radu-Adrian
(“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)
An optimization model for yield and fertilizer efficiency was established by many years and sites experimentation of N,
P and K fertilizer combination for maize production on many soils. Improving the technical and economic ...