Four tillage treatments viz.,10,20,30 and 45cm depths and three amendments viz.farm yard manure.rice husk and the dust including control were tested on the yield of tapioca and the physical properties of soils where a tapioca crop was riced.The results showed that ploughing upto 10 and 20 cm depth in red sandy loam soil increased the yield of tapioca tubers besides improving permiability porosity and aggregate stability of soils.Farm yard manure.flue dust and rice husk improved the physical properties of soils when incorporated at depths of 10 and 20 cm.
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Tamil Nadu Agricultural University
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