Madras Agricultural Journal
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Research Article | Open Access | Peer Review

RATIONALIZED FERTILISER PRESCRIPTION FOR SUNFLOWER BASED ON SOIL TEST CROP RESPONSE STUDIES

Volume : 86
Issue: Oct-dec
Pages: 590 - 593
Published: June 30, 2023
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Abstract


Field experiments were conducted with maize as a gradient crop and sunflower as test crop in Inceptisols of Lower Bhavani project area at Agricultural Research Station, Bhavanisagar, Erode District. The concept of fertiliser prescription for specific yield target was adopted for optimizing the fertiliser dose for sunflower. A soil test calibration and fertiliser prediction for an yield target of 20 and 25 quintal of sunflower seed for KMnO-N, Olsen-P and Morgans Reagent-S were worked out.

DOI
Pages
590 - 593
Creative Commons
Copyright
© The Author(s), 2025. Published by Madras Agricultural Students' Union in Madras Agricultural Journal (MAJ). This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited by the user.

Keywords


Fertility gradients Nutrient requirement Soil and fertiliser efficiency Yield targets Fertiliser prescription equation
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