STUDIES ON YIELD CAPABILITY OF DIFFERENT SORGHUM VARIETIES AT VARYING LEVELS OF N AND P

N. DURAIRAJ MUTHIAH and G. RAMANATHAN

doi:https://doi.org/10.29321/MAJ.10.A02669

Madras Agricultural Journal

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STUDIES ON YIELD CAPABILITY OF DIFFERENT SORGHUM VARIETIES AT VARYING LEVELS OF N AND P

Author: N. DURAIRAJ MUTHIAH and G. RAMANATHAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 70, Issue: oct-oct,

DOI:https://doi.org/10.29321/MAJ.10.A02669

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Abstract

Field experiments were laid out with 5 different sorghum varieties namely CO 18, CSH 5, CSH 6, CSV 4, and Composite IX with graded levels of N and P (i. e) 0, 60 and 120 kg/ha. Potash application was common. The variety CSH 6 significantly yielded higher grain wherease straw yield by CSH 5. N levels caused significant differences in grain yield but not P levels. But NP interaction proved benefical as for as straw yield is concerned. Higher grain/N ratio was recorded in CSH 6 which was the most respensive variety among the six varieties tried.

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