Dayal, H., Lal, G., Singh, Y., Kumar, P., & Singh, D. (2010). Effect of nitrogen, phosphorus and zinc on growth and yield of ber cv. Gola under arid and semi-arid conditions. Indian Journal of Horticulture, 67(02), 277–280. Retrieved from https://journal.iahs.org.in/index.php/ijh/article/view/1778