Growth and yield of different mint varieties under poplar-based agroforestry system in Terai region of Uttarakhand

Present study was carried out to evaluate the performance of four mint (Mentha arvensis) varieties, namely CIM Saryu, Saksham, CIM Kranti and Kosi under two farming systems viz., poplar-based agroforestry system and open farming system. Growth parameters (plant height and plant spread) of mint varieties were recorded higher under open farming system as compared to poplar-based agroforestry system. The maximum total fresh herbage yield of mint (224.00 and 109.25 q ha⁻¹) was recorded in variety Kosi under open and polar-based agroforestry, respectively. Maximum oil content was recorded in variety CIM Kranti at 1^st (1.21%) and 2^nd harvest (1.27%) under open farming system. The total average oil yield recorded were 186.19 and 72.72 L ha⁻¹ under open and poplar-based agroforestry system, respectively.