EFFECT OF IRON ON THE AVAILABILITY OF PLANT NUTRIENTS IN SOIL DURING DIFFERENT GROWTH STAGES OF GROUNDNUT

V. VELU and G. RAMANATHAN

doi:https://doi.org/10.29321/MAJ.10.A02611

Madras Agricultural Journal

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EFFECT OF IRON ON THE AVAILABILITY OF PLANT NUTRIENTS IN SOIL DURING DIFFERENT GROWTH STAGES OF GROUNDNUT

Author: V. VELU and G. RAMANATHAN,

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

DOI:https://doi.org/10.29321/MAJ.10.A02611

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Abstract

A pot culture experiment conducted to study the effect of iron application on available utrients of the soil grown with groundnut revealed that, the availability was the highest or N at vegetative stage; P. K, Mg and Fo at reproductive stage and Ca at harvest. Application of iron had practically no influence on available N and Ca, but it's depres- sive effect on available P, K. and. Mg status of the soll was manifested, he availability of Fe at all stages of crop growth increase on account of Fe application.

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