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EFFECT OF FERTIGATION ON YIELD, QUALITY AND FERTILIZER USE EFFICIENCY IN CABBAGE (Brassica oleracia var. Capitata)

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Title EFFECT OF FERTIGATION ON YIELD, QUALITY AND FERTILIZER USE EFFICIENCY IN CABBAGE (Brassica oleracia var. Capitata)
 
Creator VASU, D
 
Contributor SURYANARAYAN REDDY, M
 
Subject fertigation, irrigation, fertilizers, yields, cabbages, developmental stages, nitrogen, vegetables, crops, nutrients
CABBAGE, Brassica oleracia var. Capitata
fertigation, irrigation, fertilizers, yields, cabbages, developmental stages, nitrogen, vegetables, crops, nutrients
 
Description The field experiment entitled “Effect of fertigation on yield, quality and
fertilizer use efficiency in cabbage (Brassica oleracia var. Capitata).” was
conducted at Water Technology Centre, College farm, College of Agriculture,
Rajendranagar, Hyderabad during Rabi 2010-11. The experiment was laid out
in a Randomized Block Design, consists of 10 treatments viz., Soil application
of recommended dose of N,P,K (T1), 125% RDF N & K through fertigation at
daily interval (T2), at 3 days interval (T3), at weekly interval (T4), 100% RDF
N & K through fertigation at daily interval (T5), at 3 days interval (T6), at
weekly interval (T7), 75% RDF N & K through fertigation at daily interval
(T8), at 3 days interval (T9), at weekly interval(T10) and replicated thrice.
Recommended dose of phosphorus was applied as basal for all the treatments.
The experimental soil is sandy clay loam, low in available nitrogen, medium in
available phosphorus and potassium.
Maximum dry matter production of 4793 kg ha-1 was recorded in
cabbage with application of 125% RDF N & K through fertigation at daily
interval which was statistically on par with 100% RDF N & K through
fertigation at daily interval (4553 kg ha-1). The cabbage yield was observed to
be higher under daily fertigation of N and K with 100% and 125%
recommended dose with 16.92 and 15.53 t ha-1 respectively. Total nutrient
uptake was highest (146.65 kg ha-1 N and 189.41 kg ha-1 K) with the
application of 125% RDF of N and K through fertigation at daily interval.
Fertigation has no significant effect on total phosphorus and sulphur uptake.
The highest (100.50 kg kg-1) N and K (131.37 kg kg-1) fertilizer use efficiency was
recorded with daily fertigation of 75% recommended dose of N and K and the
highest water productivity (7.92 kg m-3) was recorded in daily fertigation with
100% RDF.
Application of 125% recommended dose of N and K through fertigation at
daily interval resulted in the highest head diameter (14.40 cm). The highest head
weight (923 g) was resulted from application of 100% RDF through fertigation at
daily interval. Significantly higher Total Soluble Salts content (4.66%) and
ascorbic acid content (118.37 mg 100 g-1) was registered under daily fertigation of
125% RDF N & K. Daily fertigation with 100% N and K resulted in the
highest gross return (Rs.84,635 ha-1) and net return (Rs.62,692 ha-1) and benefit
cost ratio of 2.85.Hence it can be concluded that for achieving maximum yield
and net profits, the cabbage crop can be given fertigation at daily interval with
100 per cent of recommended dose of fertilizers.
 
Date 2016-05-31T15:45:43Z
2016-05-31T15:45:43Z
2011
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/66499
 
Language en
 
Relation D8914;
 
Format application/pdf
 
Publisher ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY