Efficacy of a Mix of Fly- Ash and Post Methanated Diluted Distillery Effluent as a Potential Bio- fertilizer: A Case Study on the Biomass of Black Mustard, Brassica nigra
Journal Title: International Journal of Research in Chemistry and Environment (IJRCE) - Year 2013, Vol 3, Issue 3
Abstract
Field studies were conducted to assess the potential of a mix of fly ash and PMDE (post-methanated diluted distillery effluent) both regarded as problematic wastes all over the world. Therefore, both wastes disposal would remain a great concern of the century. Earlier our Centre had been working on the effect of diluted distillery effluent on the growth and yield of mustard seed and wheat and the results were very encouraging. However, in the present study their co-disposal has been used to enhance the production of black mustard seeds, Brassica nigra because the diluted distillery effluent contains macronutrients such as nitrogen, potassium and phosphates and the fly-ash contains micro-nutrients essential for the growth of the plant such as boron, iron, zinc and copper. Both the wastes have great potentiality in agriculture as an eco-friendly and economic fertilizer due to their efficacy in the modification of soil health and biomass of the plant. The results when compared with PMDE treated plant (E1) and fly ash and PMDE treated plant (E2), it is revealed that the electrical conductivity and water retention capacity have increased in the fly ash and PMDE amended soil without any marked effect in the pH. The length of the plant increased by 10.47% and the biomass of the leaf increased by 100.2% in E2.The length of the root increased by 10.1% whereas the diameter of the root increased by 45.45% in E2. The length and width (diameter) of the shoot increased by 10.14% and 22.29% in E2. The number of branches increased by 84.62% and 106.7% respectively in E2. It was interesting to note that the number of leaves and the area of leaf increased by 88.46% and 70.2% respectively in E2. The moisture content of the leaf increased by 136% in E2. Chlorophyll “a”, “b”, total chlorophyll and carotenoids decreased by 23.49%, 21.27%, 16.63%, 15.22% respectively in E2. The ratio of Chl “a”: Chl “b” decreased by 3.6%. Ascorbic acid content of the leaf in E2 increased by 29.56%. It is expected that the use of fly ash instead of lime (CaCO3) in agriculture can reduce net CO2 emission and also reduce global warming. The morpho-physiological significance of these observations is discussed herein
Authors and Affiliations
Ray C. , Yadav U. Pd, Prasad L. , Agarwal K. , Singh R. , Sinha C.
Keywords
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