Therefore, it is essential to find ways and means to increase the efficiency of phosphate rock either by using it alone or as a mixture of phosphate rock and water soluble P fertilizer. A field experiment was conducted during rabi seasons of 2013-14, 2014-15 and 2015-16 study the effect of various sources of phosphorus on yield, nutrient uptake and economics of groundnut (Arachis hypogaea L) under acid Alfisols of Odisha. |