Efectividad del 3,4- dimetilpirazolfosfato (DMPP) en naranjo dulce en el noreste Argentino

The aim of this study was to evaluate the 3,4-dimethylpirazol phosphate (DMPP) effect on the efficiency of ammonium-N fertilization on sandy soil of Corrientes, Argentina. The experiment was carried out with sweet orange [Citrus sinensis (L.) Osbeck] 'Valencia late' grafted on Rangpur lime (Citrus limonia, Osbeck) rootstock under field conditions during three consecutive years, the orchard was established on an alfic Udipsamment soil. A randomized complete block statistical design with four replications was used and the treatments were: 1. (Control) 150 kg N ha-1 (fertilizer 15-6-15-6); 2. 75 ...