Agronomic efficiency of rock phosphate in fine size with Ammonium sulphate and Ammonium nitrate

Mahesh Ganesa Pillai*, Sumedh Sudhir Beknalkar and Saket Sanjay Kashettiwar

Mass Transfer Laboratory, Chemical Engineering Division, School of Mechanical and Building Sciences, VIT University, Vellore 632014, India. * Corresponding author. Tel.: +91 97902 99447, fax: +91 416 2243092 E.mail address:,

We studied the effect of Ammonium sulphate and Ammonium nitrate separately, along with low grade rock phosphate on the growth of chick pea, which showed better agronomic efficiency than commercially available Diammonium phosphate.

** Full article in the attachment.

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