PHYSICO-CHEMICAL PARAMETERS OF DIFFERENT CASING MATERIALS AND THEIR RELATIONSHIP WITH THE YIELD OF AGARICLIS BISPORLIS (LANGE) IMBACHR.S. JARIAL AND T.R. SHANDILYA
Among Physical properties bulk density of various casing materials ranged between 0.30 g/cm3, to 0.89 g/cm3, particle density between 0.56 g/cm3 to 1.28 g/cm3, water holding capacity between 127.10 to 47.29 per cent and the porosity varied between 53.57 to 75.96 per cent. The pH of all the collected casing materials ranged between 7.41 to 8.02. Municipal waste-normal and municipal waste fed to earthworms had the highest salt concentration. After 10 days of leaching of municipal waste fed to earthworms, its salinity was reduced to the level of 178.90 mhos/cm, from the initial level of >10.00011 mhos/cm. Simple and linear regression fitted to various physico-chemical properties and mushroom yield revealed that bulk density, particle density, porosity and water holding capacity were positively correlated with mushroom yield while, pH and electrical conductivity were negatively correlated. Coefficients of multiple determination revealed that 71.79 per cent variation in the mushroom yield was due to these six physicochemical parameters.
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