Proportional Physico-Chemical Analysis of Control Soil, Silk Dyeing Effluent Contaminated Soil and Biotreated Effluent Soil
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The physical and chemical parameters were explored for control soil in fresh water, 75% of silk dyeing effluent and biotreated effluent conditions as pot study. The biofertilizer, Pseudomonas fluorescens was mixed with crude effluent and biologically treated. The physical parameter such as the pH and EC of biotreated soil were within the standard limits similar to the control. The soil texture was equivalent throughout the study. The results also indicated that the biotreatment progresses the micronutrient status of the soil within the optimal range. It is due to the influence of biofertilizer in the biotreated soil that had improved the levels of Calcium, Nitrogen, Phosphorus and Potassium from 105, 76, 4, 137 ppm in the effluent treated soil to 110, 200, 14.5, 390 ppm respectively in the biotreated effluent soil. The micronutrients Iron, Manganese, Copper and Zinc ranges from 1.2, 10, 0.4, 0.2 ppm of effluent treated soil to 6.1, 26.22, 2.26, 2.13 ppm respectively in the biotreated effluent soil. Thus it was clear that the impact of effluent on the soil nutrients was encountered by the biofertilizer. The biotreatment had improved the macro and micronutrients of the effluent contaminated soil and can be amended as cost effective and ecofriendly to sustain the productivity of the green leafy vegetable crops.
Pseudomonas fluorescens, pH, EC, Calcium, Potassium, Nitrogen, Phosphorus, Iron, Manganese, Copper and Zinc.