EFFECT OF AMENDMENTS AND ZINC ON CHEMICAL PROPERTIES OF AN ALKALI SOIL

P. DURAISAMY; G. V. KOTHANDARAMAN and S. CHELLAMUTHU

doi:https://doi.org/10.29321/MAJ.10.A02240

Madras Agricultural Journal

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EFFECT OF AMENDMENTS AND ZINC ON CHEMICAL PROPERTIES OF AN ALKALI SOIL

Author: P. DURAISAMY, G. V. KOTHANDARAMAN and S. CHELLAMUTHU,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 73, Issue: mar-mar,

DOI:https://doi.org/10.29321/MAJ.10.A02240

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Abstract

To study the comparative efficiency of different amendments alone and in com- bination with Zn on the progressive chemical changes of an alkali soil, a pot study was conducted with rice as test crop. Application cf amendments and Zm individually and in combinations reudced the soil pH considerably to a significant level. Submergence of soil also contributed to the reduction in soil pH. Electrical conductivity of the soil increased by the application of amendments and Zn. Com- bined application of gypsum at 50% requirement and pressmud reduced the E. S. P. significantly.

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