Madras Agricultural Journal
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N USE EFFICIENCY OF RICE AS INFLUENCED BY MODIFIED FORMS OF UREA AND ZNSO, APPLICATION IN VERTISOL

Abstract

Field experiments were conducted during Kuruvai 1986 in soils of Adanur, Kalathur and Sikar series with modified forms of urea and soil application of ZnSo, Among different modified forms of ures, viz., USG, NCU, CTU and mudball urea, the performance of point placed USG was more pronounced in the fine textured soils of Adanur and Kalathur series rather than in the medium textured soils of Sikar series as shown by the trend of values obtained for rice yield, apparent N use efficiency, uptake of N and available N content of the soils.

Keywords: Rice, Urea forms, N Use efficiency, N uptake

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ISSN : 0024-9602
eISSN : 2582-5321

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