Irrigation and Manurial Requirements of Sunflower

S. SUBRAMANIAN; S. D. SUNDARSINGH and K. P. RAMASWAMI

doi:https://doi.org/10.29321/MAJ.10.A02925

Madras Agricultural Journal

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Irrigation and Manurial Requirements of Sunflower

Author: S. SUBRAMANIAN, S. D. SUNDARSINGH and K. P. RAMASWAMI,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 66, Issue: feb-feb,

DOI:https://doi.org/10.29321/MAJ.10.A02925

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Abstract

A field study with K1 Sunflower was conducted at the Agricultural College and Research Institute. Madurai with three irrigation regimes based on climatological approach coupled with three manurial levels on a clay loam soil. Irrigation scheduled at IW/CPE value of 0.75 was found optimum. lesser irrigation was at the expense of yield and higher irrigation was superfluous. Sunflower responded well to fertiliser application and the yield at a manurial level of 40:60:40 kg N, PO. KO per hectere was the highest (1246 kg/ha) and was economical

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