SHARMA AK, KUMAR V. Effect of varying levels of nitrogen and plant density on the production behaviour of undersize seed tubers of potato (Solanum tuberosum) in north-western hills of India. Indian J Agri Sci [Internet]. 2014 Mar. 4 [cited 2024 Sep. 20];84(3):407–10. Available from: https://epubs.icar.org.in/index.php/IJAgS/article/view/38593