Madras Agricultural Journal
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Research Article | Open Access | Peer Review

STUDIES ON RESIDUAL, DIRECT AND CUMULATIVE EFFECT OF PHOSPHORUS SOURCES ON THE AVAILABILITY, CONTENT AND UPTAKE OF PHOSPHORUS AND YIELD OF MAIZE

Volume : 81
Issue: Aug-aug
Pages: 425 - 429
Published: August 13, 2023
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Abstract


Field experiment conducted at Coimbatore with maize in a typic ustropept soil revealed that application of phosphatic fertilizers irrespective of source, level and effects increased the available P. Among the sources, DAP and SSP were superior over RP and its combinations. The various sources and levels and the effects did not produce any significance in the P content of grain and stalk of maize. Significant difference among the sources for P uptake in grain was observed under cumulative effect whereas it was the direct effect for stalk uptake. The DAP and SSP proved significantly superior over RP and its combinations in the grain yield under direct and cumulative effects. However, the same trend was observed for residual and direct effects in the stalk yield.

DOI
Pages
425 - 429
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.

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