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- Title
EFFECT OF NITROGEN AND ZINC SULPHATE ON GROWTH AND YIELD OF MAIZE (ZEA MAYS L.).
- Authors
Asif, M.; Saleem, M. Farrukh; Anjum, Shakeel Ahmad; Wahid, M. Ashfaq; Bilal, M. Faisal
- Abstract
A field experiment was conducted at Agronomic Research Area, University of Agriculture, Faisalabad, Pakistan during kharif, 2011 to evaluate the impact of different nitrogen and zinc sulphate levels on the phenology, yield and quality of maize. Maize hybrid "Pioneer (SS-2525)" was subjected to four rates of N (0, 200, 250 and 300 kg/ha) and ZnSO4 (0, 9, 18 and 27 kg/ha). The experiment was laid out in a RCBD with factorial arrangement having net plot size of 3m x 5m. The results showed that nitrogen and zinc sulphate application significantly affected the growth, yield and quality parameters of maize. Maximum days to 50 percent tasseling (53.1) and silking (56.7) were recorded at 300 kg N level. Minimum number of days for 50 percent completion of tasseling (45.5) and silking (49.1) were recorded in application of 27 kg ZnSO4. In case of interaction of N and Zn, minimum days to 50 percent tasseling and silking (44.3 and 48.3) alongwith maximum plant height (242.3 cm), number of grains per cob (539.6), 1000-grain weight (316.0g), grain yield (7.9 t/ha) and protein contents (9.9%) were noted in N3Zn3 level (300 kg N + 27 kg ZnSO4). These results indicated that these traits linearly increased with increasing levels of N and ZnSO4 upto their maximum rate.
- Subjects
PAKISTAN; AGRICULTURE; CORN harvesting; CORN propagation; CORN reproduction; AGRICULTURAL industries; ZINC sulfate; CROPS; NITROGEN
- Publication
Journal of Agricultural Research (03681157), 2013, Vol 51, Issue 4, p455
- ISSN
0368-1157
- Publication type
Article