Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, 641003.
In a pot culture experiment, composted coir pith with K significantly increased the yield of rice than other manures. To obtain 87.5 per cent of the maximum yield of rice, the fertilizer K requirement was found tobe 205 kg ha−1 where as when K was combined with either composted coir pith or farmyard manure or raw coir path, the K need for obtaining the same yield target was 75, 99 and 143 kg ha-1, respectively.
Composted coir pith, raw, coir pith, grain yield, potassium
