Evaluation of conservation tillage practices for enhancing productivity of sunflower (Helianthus annuus L.) under rice fallow environment of Odisha


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EVALUATION OF TILLAGE PRACTICES FOR ENHANCING PRODUCTIVITY OF SUNFLOWER

Authors

  • K RAMESH Odisha University of Agriculture and Technology, Bhubaneswar-751 003, Odisha
  • D PATEL Odisha University of Agriculture and Technology, Bhubaneswar-751 003, Odisha
  • A MAHAPATRA Odisha University of Agriculture and Technology, Bhubaneswar-751 003, Odisha
  • S N JENA Odisha University of Agriculture and Technology, Bhubaneswar-751 003, Odisha

https://doi.org/10.56739/jor.v37i1.136383

Keywords:

Conservation tillage, Rice fallow, Seed yield, Sunflower

Abstract

Field experiment was conducted to assess the effect of conservation tillage (reduced, minimum and zero tillage) and conventional tillage with three hybrids (DRSH-1, KBSH-44, MSFH-17) and three fertility levels (50% RDF,
100% RDF and 150% RDF) on productivity of sunflower. Zero tillage recorded highest growth parameters, yield attributing characters and seed yield (1.91 t/ha), stover yield (4.36 t/ha) and oil yield (0.73 t/ha). Crop grown under zero tillage conditions was taller (165.7 cm), had more number of leaves/plant (30.3) and accumulated more dry matter (565 g/m2). Among the hybrids, KBSH-44 recorded the highest seed yield (1.81 t/ha), stover yield (4.22 t/ha)
and oil yield (0.70 t/ha). Sunflower fertilized with 150% RDF recorded significantly highest seed yield (2.09 t/ha), stover yield (5.0 t/ha) and oil yield (0.81 t/ha) as well as the highest values of yield attributing characters which were promoted by the better growth attributing characters. Sunflower hybrids under zero tillage fertilized with 150% RDF (90:120:90 kg N: P2O5
: K2O/ha) found most remunerative under rice fallow environment.

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Submitted

2023-05-15

Published

2020-04-14

How to Cite

K RAMESH, D PATEL, A MAHAPATRA, & S N JENA. (2020). Evaluation of conservation tillage practices for enhancing productivity of sunflower (Helianthus annuus L.) under rice fallow environment of Odisha: EVALUATION OF TILLAGE PRACTICES FOR ENHANCING PRODUCTIVITY OF SUNFLOWER. Journal of Oilseeds Research, 37(1). https://doi.org/10.56739/jor.v37i1.136383