Abstract

Calcium ammonium nitrate is one of the new fertilizers manufactured on large scale in India. Chemically it is a homogenous mixture of ammonium nitrate with lime chiefly as calcium carbonate. It contains 20.5% nitrogen (half the quantity is in the nitrate form and the balance in the ammonical form) and 36% calcium carbonate. To assess the comparative efficacy of the new fertilizer with ammonium sulphate and uren, an experiment was conducted in different research stations of the State and the results obtained at Coimbatore are recorded in this paper.

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