IMPACT OF AUTOMOBILE WASTEWATER ON GERMINATION AND SEEDLING GROWTH OF BLACK GRAM (VIGNA MUNGO)M. Poonkothai, S. Hema Iswarya, D, Kavitha and K. VallikkannuAbstract The effect of automobile wastewater (25,50, 75 and 100%) was studied on seed germination and seedling growth of black gram (Vigna mungo).The biometric attributes showed a decrease with increased concentration of the effluent.The best germination and seedling growth was observed in 25% concentration. Undiluted effluent had an inhibitory effect whereas 25% effluent concentration had a growth promoting effect, which was better than control.Thus automobile wastewater can be used safely for irrigation purpose at proper dilution (25%) for beneficial cultivation.
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