SOM PAL SINGH, G. S. BUTTAR, SUDEEP SINGH. Heat use efficiency of Bt cotton cultivars in the semi–arid region of Punjab. J. Agrometeorol. [Internet]. 2007 Jun. 1 [cited 2024 Nov. 22];9(1):122-4. Available from: https://journal.agrimetassociation.org/index.php/jam/article/view/1112