Growth and Yield of Capsicum annum under Irrigation with Different Levels of Domestic Waste Water FAROOQ A LONE* and NAYAR A KIRMANI Division of Environmental Sciences, * Division of Soil Sciences, S.K. University of Agricultural Sciences and Technology of Kashmir, Shalimar, Srinagar -191 121 J&K, India. Abstract Use of wastewater for a variety of purposes is gaining increased popularity as a means of preserving scarce freshwater resources and nutrient recycling particularly in developing countries. A field experiment was carried out to evaluate the growth and yield of Capsicum annum var. Nishat-1 under irrigation with different concentrations of domestic wastewater (grey and black water) in combination with recommended dose of fertilizers (RDF). This field experiment was carried out for two consecutive years Kharief 2012-2013 and involved 6 treatments (T1–T6) with three replications in randomized complete block design. Before being utilized, wastewater was stabilized for 20-25 days in open containers. The highest yield (288.12 q ha -1 ) was recorded in T1 (Recommended dose of fertilizers =RDF) followed by 283.49 q ha -1 in T4 (50% grey water and 50% RDF ), 275.92 q ha -1 in T5 (50% black water + 50% RDF), 270.03 q ha -1 in T2 (100% grey water), 260 q ha -1 in T6 (50% black water and 50% grey water) and least of 251.96 q ha -1 in T3 (100% black water). The data also reveals that the concentrations of the various physico- chemical parameters (viz., pH, EC, OC, N, P, K, Ca, Mg, Cu, Fe, Mn, Zn, Cd, Ni, Cr, Pb) of waste water and pre and post experiment soil samples were within permissible limits. Quality parameters viz total soluble salts, ascorbic acid, chl-a, chl-b, total-chl, carbohydrates and protein content between various treatments exhibited different trends. This study shows that there is an option for recycling of stabilized waste water in agriculture. Current World Environment Journal Website: www.cwejournal.org ISSN: 0973-4929, Vol. 13, No. (2) 2018, Pg. 277-284 Article History Received: 04 February 2018 Accepted: 25 July 2018 Keywords Agriculture, Capsicum, Fertigation Growth performance, Wastewater. CONTACT Farooq A Lone rfarooqlone@yahoo.co.in Division of Environmental Sciences, * Division of Soil Sciences, S.K. University of Agricultural Sciences and Technology of Kashmir, Shalimar, Srinagar -191 121 J&K, India. © 2018 The Author(s). Published by Enviro Research Publishers. This is an Open Access article licensed under a Creative Commons license: Attribution 4.0 International (CC-BY). Doi: http://dx.doi.org/10.12944/CWE.13.2.13 Introduction Wastewater is generated in bulk quantity from both domestic as well as industrial estates and its crude disposal is posing a tremendous threat to environment. In developing countries including India, wastewater is commonly a choice for irrigating