BUTA SINGH DHILLON, P.K. SHARMA. Physiology, growth and productivity of staggered sown spring sunflower (Helianthus annuus) in response to varying intra-row spacing and applied nitrogen in the Indo-Gangetic Plains. IJA [Internet]. 2024 Apr. 30 [cited 2026 Jun. 23];62(4):496-504. Available from: https://pub.isa-india.in/index.php/ija/article/view/5558