Bert Janssen

Economic Optimization of Nutrient Application to Coffee in Northern Tanzania Using SAFERNAC

Godsteven Maro, Bert Janssen, Balthazar Msanya & Jerome Mrema · International Journal of Plant & Soil Science · 2014

The aim of this work, as an extension to SAFERNAC model, was to establish economically optimum combinations of N, P and K application to Arabica coffee in the Northern coffee zone of Tanzania. The study was conducted in Hai and Lushoto districts between 2010 and 2012. Prices of n...