JEET S, SINGH JP, KUMAR R, OM H. Response of nitrogen and sulphur levels on productivity and profitability of QPM hybrid (Zea mays) under dryland condition of Eastern Uttar Pradesh. Indian J Agri Sci [Internet]. 2014 May 7 [cited 2026 Jun. 12];84(5):589–94. Available from: https://epubs.icar.org.in/index.php/IJAgS/article/view/40479