2017. Effect of Nitrogen Application and Spacing on Plant Height, Spread, Dry Matter Accumulation and Fresh Herbage Yield of Patchouli (Pogostemon cablin Benth.) Under Humid sub-tropical Climate of Tripura. Indian Journal of Hill Farming. 30, 01 (Jun. 2017), 100–105. DOI:https://doi.org/10.56678/.