Effect of multiple cropping on the organic carbon status of upland alluvial soils

Abstract

A field experiment at (he Central Rice Research Institute. Cultack. Orissa State on multiple cropping conducted during the years 1967.68 and 1968-69 showed that there was a decrease in organic carbon content of soil in all cropping patterns after each cycle, the maximum decrease being noticed in continuous cultivation of rice, i. e. rice-rice cropping pattern. Among individual crops there was an increase in organic carbon content after potato and maize crops, whereas, there was a decrease after dalua and kharif rice crops.