Effect of integrated nutrient management on tuber yield and economics of autumn potato (Solanum tuberosum L).

An experiment was conducted during 2005-06 and 2006-07 in the Division of Agronomy, Faculty of Agriculture, Khalsa College, Amritsar to study the effect of combined used of farmyard manure and poultry manure with 75, 100 and 125 per cent NPK on productivity, nutrient uptake and profitability of autumn potato.