DOST MOHAMMAD BALOCH; MAQSOOD AHMED KHAN; EHSANULLAH KAKAR; MOHAMMAD AYAZ KHAN MALG HANI
(HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-04-04)
A model based on early spring soil and tissue analysis was developed and evaluated for predicting the need for additional nitrogen (N) fertilizer on winter wheat. To develop the model, On-farm trials were established over ...