Kumari, Ratnesh, Seema Bedi, and A. S. Dhatt. “Effect of Nitrogen Forms on Physiological and Biochemical Constituents of Lettuce Grown in Soilless Conditions During Different Seasons”. Indian Journal of Horticulture 77, no. 04 (December 31, 2020): 663–670. Accessed December 26, 2024. https://journal.iahs.org.in/index.php/ijh/article/view/2347.