Effect of Drip Irrigation Scheduling and Fertigation on Growth, Yield and Quality of Pomegranate (Punica granatum L.) cv. Bhagwa
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Date
2022
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Abstract
The field experiment to study the “Effect of Drip Irrigation
Scheduling and Fertigation on Growth, Yield and Quality of
Pomegranate (Punica granatum L.) cv. Bhagwa” was conducted at
Horticulture farm, Rajasthan Agricultural Research Institute, Durgapura
(Jaipur-Rajasthan) during 2019-20 and 2020-21. The experiment was
executed in Factorial Randomized Block design and replicated 3 times
with 12 treatment combinations consisting of 3 drip irrigation levels i.e.
I1 (50% irrigation at PE), I2 (75% irrigation of PE), I3 (100% irrigation of
PE) and 4 fertigation levels F1 (100 % RDF as basal dose plant-1
), F2
(100 % RDF at weekly interval plant-1
), F3 (75 % RDF at weekly interval
plant-1
) and F4 (50 % RDF at weekly interval plant-1
), The treatment of
different irrigation levels were given from July to November and
fertigation levels were through water soluble fertilizer grade (WSF19:19:19) in 10 splits from fruit set to maturity stage and remaining
nitrogen was supplemented through urea.
The experimental results revealed that among different
treatment combinations, maximum values for the vegetative growth
characters such as gain in plant height, plant spread [(E-W) and (N-S)],
Leaf area index and minimum values for Initiation of flowering (days)
after pruning and Fruit set to maturity (days) was found under the
treatment 100% irrigation at PE level+100% RDF through drip (I3F2)
which was found the best for vegetative characteristics
Yield and yield attributing characters such as fruit retention (%),
No. of fruits plant-1
, average fruit weight (g), fruit diameter (cm.)