Evaluation of the effect of humic acid and vermicompost on yield and yield components of three wheat cultivars in tropical regions
Author(s):
Abstract:
In order to evaluate the effect of humic acid and vermicompost on yield and yield components of three wheat cultivars in tropical regions, an experiment was conducted in the research station of Shahid Chamran University of Ahvaz, Iran in 2012-13. The experiment was carried out as factorial based on randomized complete blocks design with three replications. The treatments included vermicompost at three levels (no use, application of 5 tons per hectare and 10 tonnes per hectare), humic acidat two-level (without and with foliar application of 1.5 lit. ha-1) and wheat cultivarsin three levels, Chamran and Virinac (bread wheat), and Behrang (durum wheat) varieties. Soil application of vermicompost and foliar spray of humic acid improved the measured characteristics by 5-15 and 6-11%, respectively. Concurrent Application of these fertilizers increased the effect of those organic fertilizers on wheat traits. But the highest seed thousand weights (51.73 g), grain yield and biological yield, respectively were (881.74 and 1984.2 g. m2) and the highest number of days to heading (92.00 days) and hectoliter weight (837.24 g.lit-1) was obtained from foliar application of Chamran cultivar with humic Acid and soil application of vermicompost (10 T/ha). The highest protein content (13.97%) was also obtained from vermicompost (10 t ha) and foliar application of humic acid on Behrang cultivar. It could be recommended that application of humic acid and vermicompost for wheat cultivar nutrition is probably asuitable alternative for chemical fertilizers.
Keywords:
Language:
Persian
Published:
Plant Production, Volume:38 Issue: 2, 2015
Pages:
99 to 110
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