Saturday, 15 July 2006

Cosequences of Organic and Inorganic Sources of Nutrients on Physico-Chemical Properties of Soil under French Bean Land Use Cover.

Veerabhadraiah,T.N.,Chamegowda,T.C Badrinath, Agriculture college,UAS,GKVK,Bangalore-560 065, Bellary road, Bangalore, India

A field experiment was conducted at Taridalu village, Gowribidanur taluk during rabi season of 2005 on sandy clay loam soil to study the consequences of organic sources of nutrients viz. FYM @ 25 t ha-1, compost @ 25 t ha-1 and vermicompost @ 10 t ha-1 along with inorganic fertilizers with and without Rhizobium on physico-chemical properties of soil under french bean land use cover. Different physical properties like maximum Water Holding Capacity (WHC) and pore space were significantly differed but not bulk density. Treatment received either FYM or compost or vermicompost showed lower values of bulk density then control treatment (1.27 M. gm m-3). Highest values of maximum water holding capacity (WHC) and pore space were recorded in treatment received compost @ 25 t ha-1 + RDF (Recommended dose to fertilizer at 62.5: 100: 75 kg N, P2O5, K2O ha-1). Among chemical properties like EC, CEC and organic carbon recorded significant values where as pH showed decreased trend. Application of FYM, compost and vermicompost showed favourable values of pH and EC where as application of either FYM or compost or vermicompost along with recommended inorganic fertilizer and Rhizobium showed higher values of CEC and organic carbon content in soil.

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