PJB-1999-42
OPTIMIZATION OF METHOD AND TIME OF NITROGEN APPLICATION FOR INCREASED NITROGEN USE EFFICIENCY AND YIELD IN MAIZE
FEROZE AKBAR, ABDUL WAHlD*, SHAMSHAD AKHTAR*, ABID NISAR AHMAD* AND FATEH MUHAMMAD CHAUDHARY
Abstract
Nitrogen application at 3 different times using 2 methods was used for increasing nitrogen use efficiency of maize in terms of above ground dry matter and grain yield. Side-drilling with 245 g N/plot at sowing and 123 g N/plot soil-dressed at silking significantly improved the vegetative and reproductive growth of maize except number of grains per cob and harvest index. Nitrogen use efficiency in above ground dry matter yield was positively related to plant height, cob length and above ground dry matter, whereas, nitrogen use efficiency in grain yield showed positive relationship with cob bearing plants per plot
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