Sharma, Ashwani Kumar, and Sarjeet Singh. 2013. “EFFECT OF FARMYARD MANNURE, GREEN MANNURE AND FERTILIZER LEVELS ON SEED POTATO PRODUCTION IN NORTH-WESTERN HILLS”. Potato Journal 32 (3 - 4). https://epubs.icar.org.in/index.php/PotatoJ/article/view/33526.