A study was conducted to quantify the effects of drip irrigation levels and black plastic mulch on bell pepper production under a naturally ventilated polyhouse in Tarai region of Uttarakhand during Rabi experiment was laid out in randomized block design with three replications keeping four drip irrigation levels (100, 80, 60 and 40 % of crop water requirement) and surface irrigation in conjunction with black plastic mulch and without mulch. | Response of bell pepper (Capsicum annum L. var. grossum) to drip irrigation levels and black plastic mulch under naturally ventilated polyhouse