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The growth of Adenanthera pavonina L. and Parkinsonia aculeata L. was studied in soil irrigated with household detergent solution of different concentrations (0, 0.25 and 0.5%) under natural environmental conditions. Detergent solutions exhibited great inhibition of all the observed growth parameter of Adenanthera pavonina and Parkinsonia aculeata. Growth of plants extremely declined when irrigated with 0.75 and 1% treatments and died after two weeks of experiment. Analysis of soil showed that detergent solution has resulted in significant increase of pH, soluble sodium and chlorides. Soluble potassium and total phosphate were significantly decreased in soil irrigated with detergent solutions as compared to control.
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