IJEP 42(1): 33-38 : Vol. 42 Issue. 1 (January 2022)
Sheetal Barapatre and Meenakshi Nandal*
Maharshi Dayanand University, Department of Environmental Sciences, Rohtak – 124 001, Haryana, India
Burning of rice straw by farmers is a great concern with respect to harmful emissions that are produced. Co-composting rice straw with poultry litter and inoculating with fungi produces stable and mature compost. It offers an acceptable solution for disposal of both poultry litter and rice straw thus providing many environmental and economic advantages. This paper aims to examine the effect of compost produced from rice straw on growth of Solanum lycopersicum plants as plant bioassays present realistic and apposite details about compost quality. The pots were set-up as completely randomized design and mature compost collected at end of 90 days was supplemented with potting media. The plants were harvested on 30th and 60th day after sowing and their physical parameters were analyzed. Substantial increase in plant height, plant weight, number of leaves, root length and leaf area were observed in pots amended with compost which confirms that compost samples were free from phytotoxicity. Maximum growth was observed in treatment 4 which indicated that rice straw when supplemented with poultry manure to modify its initial carbon and nitrogen ratio to 34 produces mature compost which can be rendered fit for agricultural application.
Compost, Solanum lycopersicum, Phytotoxicity, Plant bioassays, Rice straw
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