Singh M, Das S, Avasthe R. Effect of multipurpose trees on production of large cardamom and soil fertility in agroforestry systems in Sikkim, Himalaya. Indian J. Agroforest. [Internet]. 2020 Jul. 6 [cited 2026 Jun. 27];20(2). Available from: https://epubs.icar.org.in/index.php/IJA/article/view/96728