Assessment of Growth Attributes and Yield of Barley (Hordeum vulgare L.) with Application of Biological and Chemical Fertilizers in Dry Land Farming

Document Type : Research Paper

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Abstract

Abstract
       In order to evaluate the effects of biological and chemical fertilizers on yield and some morphological traits of local varieties of barley in dry land farming, an experiment was carried out as factorial experiment on the basis of randomized complete block design with three replications in 2013 at Agricultural Research Station of University of Tabriz. Chemical fertilizer levels included control (without any fertilizer), 60 kg urea (100% recommended), 30 kg urea (50% recommended), 50 kg super phosphate (100% recommended) and 25 kg triple super phosphate (50% recommended) and bio-fertilizers consisted of phosphate barvar-2 and azotobarvar-1 and control. Results indicated that the highest percentage of ground cover and chlorophyll index were observed at integrated application of 100% chemical fertilizers and azotobarvar-1. Also, maximum plant height and harvest index were achieved from integrated application of 100% chemical fertilizers with azotobarvar-1+ phosphate barvar-2. Among treatments combination, the highest biological yield was obtained in azotobarvar-1 along with 60 kg urea and the highest grain yield was achieved in phosphate barvar-2 with 60 kg urea with value of 170 grams per square meter. Generally, chemical fertilizer application could be resulted in the positive and significant effect on yield and some morphological traits, but, integrated usage of reduced amounts of chemical fertilizers such as urea with bio fertilizers, can have positive effects in improving yield of barley and human healthy.   
 
 

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References

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JOURNAL OF AGRICULTURAL SCIENCE AND SUSTAINABLE PRODUCTION
Volume 28, Issue 2
August 2018
Pages 65-74

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