INTEGRATED NUTRIENT MANAGEMENT IN SUMMER SESAME (Sesamum indicum L.) 2910
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Date
2019-08
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JAU, JUNAGADH
Abstract
A field experiment entitled "Integrated nutrient management in summer
sesame (Sesamum indicum L.)" was carried out during summer season of 2018 at the
Instructional Farm, Department of Agronomy, College of Agriculture, JAU, Junagadh.
The experiment comprising nine treatments was laid out in randomized block design
with three replications.
The results revealed that application of 75% RDF + VAM + Azotobacter +
PSB + KSB (soil application 3 L/ha) recorded significantly higher values of growth
parameters viz., plant height and number of branches/plant, yield attributes and yield
viz., number of capsules/plant, length of capsule, seeds/capsule, seed yield/plant, seed
yield (1002 kg/ha), stover yield (1772 kg/ha) and biological yield, quality parameters
viz., protein content and oil content, soil and plant chemical analysis N, P, K content,
uptake and availability of nutrients in soil and Azotobacter count, PSB counts and
KSB counts in soil after harvest. The economics of different treatments also indicates
that application of 75% RDF + VAM + Azotobacter + PSB + KSB more profitable in
terms of gross return ( 75029/ha) and net returns ( 46402/ha) in comparison to
rest of the treatments.
In general, better crop yield, higher net returns and maximum benefit cost ratio
(B:C) can be obtained by application of 75% RDF (37.5-18.75-30 kg N-P2O5-K2O) +
VAM (soil application 0.25 kg/ha) + Azotobacter + PSB + KSB (soil application
3 lit/ha) each on medium black calcareous soil under South Saurashtra Agro-climatic
Zone.