An experiment was conducted to evaluate the effect of black plastic mulch on yield and other associated characters promising tomato genotypes developed by National Horticulture Research Centre, Nepal at Directorate Agricultural Research, Tarahara, Nepal, during winter season 2019. Nine (HRDTOM 011, HRD 109, HRDTOM 035, 080, 079, 084, 085, 086, Pusa Ruby as a check) were evaluated in randomized ...