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Title: Reclamation of wasteland for cultivation of cotton crop through application of pond ash and its leachate
Authors: Tripathi, R C
Masto, R E
Selvi, V A
Jha, S K
Thakur, S K
Srivastava, N K
Issue Date: Jun-2017
Publisher: NISCAIR-CSIR, India
Abstract: Reclamation of a vast area of wasteland available in India is a challenge for making it suitable for agriculture and forestry purposes through application of appropriate technology for its fast growing population. Huge amount of fly ash is being generated from combustion of coal in 145 existing thermal power plants, which contributes to 70% of the total energy requirement of the country. Present production of fly ash is 184 million tons per annum, which is projected to exceed 440 million tons per annum by 2030. This gargantuan quantity of fly ash not only poses environmental problems but occupies large areas of land for its disposal, which needs urgent and appropriate measures for its safe disposal and gainful utilization on sustainable basis. The study carried out by Central Institute of Mining and Fuel Research, Dhanbad on the bulk utilization of fly ash in agriculture and forestry sectors under different agro-climatic conditions and soil types for last two decades, indicates that pond ash is superior to soil in respect of plant nutrients and other physico- chemical properties. Keeping this in view, field scale study has been carried out in pond ash amended wasteland of farmer at Bhusawal (Maharashtra) followed by its irrigation with percolating water of ash pond for cultivation of cotton crops. The enhanced yield and quality of crop, improved soil condition and its residual effect on successive crops for longer period shows its potential for reclamation of waste/degraded land.
Page(s): 7-18
Appears in Collections:BVAAP Vol.25(1&2) [June-December 2017]

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