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STUDIES ON THE EFFECT OF DIFFERENT LEVELS OF CASTOR CAKE AND POULTRY MANURE WITH AND WITHOUT BIOFERTILIZERS ON GROWTH, YIELD AND QUALITY OF ONION (Allium cepa L.)

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Title STUDIES ON THE EFFECT OF DIFFERENT LEVELS OF CASTOR CAKE AND POULTRY MANURE WITH AND WITHOUT BIOFERTILIZERS ON GROWTH, YIELD AND QUALITY OF ONION (Allium cepa L.)
 
Creator MOHAMMAD ISMAIL SADAT
 
Contributor MALLA REDDY, K
 
Subject DIFFERENT, LEVELS, CASTOR, CAKE, POULTRY, MANURE, BIOFERTILIZERS, GROWTH, YIELD, QUALITY, ONION
 
Description A field experiment entitled “Effect of different levels of castor cake and
poultry manure with and without biofertilizers on growth, yield and quality of
onion cv. Light Red” was conducted during Rabi 2007-2008 at Student Farm, College
of Agriculture, Rajeandranar.
The treatments consisted of three levels of castor cake( 4 , 6 and 8 t/ ha )
and three levels of poultry manure ( 6 , 10 and 14 t / ha ) with and without biofertilizers
{ Azotobacter + Phosphorus solubolizing bacteria (PSB) + Potash mobilizing bacteria
( KMB) @ 5 kg ha-1 }. The experiment was laid out in a Randomized Block Design with
three replications.
Among the different treatments, castor cake @ 8 t / ha + Azotobcter +
PSB + KMB @ 5 kg / ha has recorded higher plant height at harvest over poultry
manure at different levels with and without biofertilizers but was on a par with Castor
cake @ 6 t / ha + Azotobacter + PSB + KMB @ 5 kg / ha, Castor cake @ 4 t / ha +
Azotobacter + PSB + KMB @ 5 kg / ha, Castor cake @ 8 t / ha, Castor cake @ 6 t / ha
and RDF (120N, 60 P and 80 K kg / ha ). On the other hand, a significant reduction in
plant height was noticed with poultry manure at different levels with and without
biofertilizers.
The treatment, castor cake @ 8 t / ha + Azotobcter + PSB + KMB
@ 5 kg / ha has recorded highest leaf area over RDF (120 N, 60 P and 80 K kg / ha) and
different levels of poultry manure with and without biofertilizers at 90 DAT but was on
a par with castor cake @ 6 t / ha + Azotobacter + PSB + KMB @ 5 kg / ha. Further the
treatment, castor cake @ 8 t / ha + Azotobcter + PSB + KMB @ 5 kg / ha has recorded
higher leaf and bulb dry matter production over rest of the treatments, but was on a par
with castor cake @ 6 t / ha + Azotobacter + PSB + KMB @ 5 kg / ha. No significant
difference in bulb length and diameter were observed among the different treatments
except poultry manure @ 6 and 10 t/ha which produced the lowest bulb length and
diameter. The highest bulb weight and yield were recorded with castor cake @ 8 t/ ha +
Azotobcter + PSB + KMB @ 5 kg / ha but was on a par with castor cake @ 6 t/ha +
Azotobacter + PSB + KMB @ 5 kg / ha in respect of bulb yield ha -1. No significant
difference was observed among the various treatments in respect of TSS and total
sugars.
The castor cake @ 6 t/ha + Azotobacter + PSB + KMB @ 5 kg / ha has
recorded lower PLW of onion bulbs at 60 days of storage over rest of the treatments, but
was on a par with castor cake @ 4 t/ha + Azotobacter + PSB + KMB @ 5 kg / ha and
Castor cake @ 8 t/ha. The treatment with castor cake @ 8 t / ha + Azotobcter + PSB +
KMB @ 5 kg/ha recorded higher total uptake of N, P and K in whole plants compared
with other treatments. The treatment, castor cake @ 4 t/ha + Azotobacter + PSB + KMB
@ 5 kg / ha recorded maximum net returns because of lesser cost of production and high
rate obtained for the organically produced of onion compared with others.
The results of the present experiment revealed that though the castor cake
@ 8 t/ ha + Azotobcter + PSB + KMB 5 kg / ha produced higher bulb yield over other
treatments but was on a par with Castor cake @ 6 t/ha + Azotobacter + PSB + KMB @ 5
kg / ha. Therefore, Castor cake @ 6 t/ha + Azotobacter + PSB + KMB @ 5 kg / ha is
recommended under organic cultivation for obtaining higher yield with quality onion
bulbs in Red sandy loam soils of Telangana region of Andhra Pradesh, India.
 
Date 2016-07-30T14:00:52Z
2016-07-30T14:00:52Z
2008
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/70294
 
Language en
 
Relation D8322;
 
Format application/pdf
 
Publisher ACHARYA N. G. RANGA AGRICULTURAL UNIVERSITY, RAJENDRANAGAR, HYDERABAD