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Salem Tamil Nadu, India

Kalaiselvi P.,Tamil Nadu Agricultural University | Kalaiselvi P.,Tapioca and Castor Research Station | Mahimairaja S.,Tamil Nadu Agricultural University
Research on Crops

The biomethanated distillery spentwash is a nutrient rich liquid organic waste obtained from molasses based distillery industries after biomethanation process. The effect of different levels and methods of spentwash application on yield attributes, yield and quality was examined through a field experiment. The field experiment was conducted using Groundnut (Arachis hypogaea L.) as a test crop. The different levels of spentwash (0, 40, 80 and 120 m 3/ha) were applied to the field in one time and continuous split doses of application. Among the spentwash applied plots, the plot which received spentwash @ 120 m 3/ ha alongwith NP recorded the maximum kernel yield of 1641 kg/ ha, oil content of 44.2% and seed crude protein of 25.1%. The continuous application of split doses of spentwash was found better than one time application. Hence, spentwash is a bioresource material which offers a low cost fertilizer alternative on agricultural utilization. In doing so, the manurial and irrigational potential of distillery spentwash invariably has a considerable economic value in the context of present energy and fertilizer nutrient crisis. Source

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