KUMAR R, KAUR N, SINGH R. Phenology, heat unit requirement and heat use efficiency of African marigold under year-round transplanting conditions of Punjab, India. J. Agrometeorol. [Internet]. 2023 Nov. 30 [cited 2024 Nov. 21];25(4):560-4. Available from: https://journal.agrimetassociation.org/index.php/jam/article/view/2299