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Effect of different levels and sources of nitrogen on yield and quality of barley (Hordeum vulgare L.)

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Title Effect of different levels and sources of nitrogen on yield and quality of barley (Hordeum vulgare L.)
 
Creator Chavarekar, Suvidha Sudhakar
 
Contributor Thakral, Sanjay Kumar
 
Subject Nitrogen, Fertilizers, Yields, Barley, Grain, Farmyard manure, Vermicomposting, Crops, Azotobacter, Planting
 
Description A field experiment was conducted during winter (rabi) season of 2010-2011 at Research Farm of
Chaudhary Charan Singh Haryana Agricultural University, Hisar, to determine the effect of different levels and
sources of nitrogen on yield and quality of barley (Hordeum vulgare L.). The experiment was conducted with
thirteen treatments of different levels and sources of nitrogen viz control, 100 % RDN through chemical fertilizers
(60 kg N/ha), 100 % RDN through chemical fertilizers + Azotobacter, 100% RDN through FYM, 100 % RDN
through vermicompost, 125 % RDN through FYM, 125 % RDN through vermicompost, 100 % RDN through
FYM+ 25 % RDN through chemical fertilizers, 75 % RDN through FYM + 25 % RDN through chemical
fertilizers, 50 % RDN through FYM + 50 % RDN through chemical fertilizers, 100 % RDN through vermicompost
+25 % RDN through chemical fertilizers, 75 % RDN through vermicompost + 25 % RDN through chemical
fertilizers and 50 % RDN through vermicompost + 50 % RDN through chemical fertilizers in the randomized
block design with four replications by using variety BH 902. The vermicompost, farm yard manure (FYM),
Azotobacter and chemical fertilizers were the sources of nitrogen.
The growth parameters (plant height, dry matter accumulation, leaf area index and crop growth rate) and
yield attributes (number of effective tillers, ear length, number of grain per ear and test weight) significantly
increased with levels and sources of nitrogen. The maximum grain yield (49.59 q/ha) recorded with application of
treatment 100% recommended dose of nitrogen (RDN) through chemical fertilizers + Azotobacter followed by
100% recommended dose of nitrogen through chemical fertilizers (48.89 q/ha) and both these treatments were out
yielded significantly over rest of the treatments. Quality of barley as nitrogen content and uptake by grain and
straw, protein, bold and thin percentage, hectoliter weight and malt friability was increased with application of
nitrogen by different sources through different sources. The malt extract revealed strongly negative correlation
with nitrogen application and recorded highest with control treatment. Vermicompost and FYM application
combination with chemical fertilizers resulted significant effect on growth, yield and quality of barley over control.
Residual nitrogen in soil increased as increased in level and application of organic sources like vermicompost and
FYM. The maximum available N, P and K status was recorded with treatment where 125% RDN through
vermicompost was applied. Nitrogen use efficiency was decreased as higher nitrogen applied through
vermicompost and FYM than 100% recommended dose of nitrogen. The highest gross return, net return (Rs 17620
per hectare) and benefit cost ration was found with application of treatment 100% RDN through chemical
fertilizers + Azotobacter.
On the basis of one year results it may be suggested that barley crop should be grown by inoculating
seed with Azotobacter with application of 60 kg N/ha.
 
Date 2016-10-29T09:28:22Z
2016-10-29T09:28:22Z
2012
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/82880
 
Language en
 
Format application/pdf
 
Publisher CCSHAU