EFFECT OF FOLIAR APPLICATION OF VARIOUS FERTILIZERS ON GROWTH, YIELD AND NUTRIENT UPTAKE BY ONION (Allium cepa L.) 2955
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Date
2019-08
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JAU, JUNAGADH
Abstract
A field experiment entitled “Effect of foliar application of various fertilizers
on growth, yield and nutrient uptake by onion (Allium cepa L.)” was carried out
during rabi season of 2017-18 on calcareous clayey soil at Junagadh. The experiment
comprising ten treatments was laid out in randomised block design with three
replications.
The experimental results revealed that significantly higher values of growth
parameters viz., plant height, number of leaves, yield attribute viz., bulb polar
diameter, bulb equatorial diameter, average weight of bulb (g), grade of bulb, total
bulb yield and marketable bulb yield at harvest; quality parameter viz., TSS, bolters
and doubles, soil and plant chemical analysis N, P, K and S content and uptake and
their in soil after harvest were recorded under the treatment 75 % RDF + WSF, Grade
4 and Banana pseudo @ 1 % foliar spray at 45 and 60 DAT. The highest net return
( 279203 ha-1
) and B: C ratio (5.32) was realized with the application of 75 % RDF
+ WSF, Grade 4 and Banana pseudo @ 1 % foliar spray at 45 and 60 DAT.
Based on one year experimental results, it seems quite logical to conclude that
higher production and net returns from rabi Onion (GJWO-3) can be obtained with
application of 75 % RDF + WSF, Grade 4 and Banana pseudo @ 1 % foliar spray at
45 and 60 DAT on medium black calcareous clayey soil under South Saurashtra
Agro-climatic Zone.