Author(s):

Nilotpal Hazarika, Mohan Kumar Sarmah and Anjali Basumatary

Abstract: Excessive or inappropriate tillage practices cause negative effect on soil properties and yield. Conventional tillage practices affect long term soil properties due to erosion and loss of organic matter in soil. Minimum and zero tillage systems generate higher yield, increase water content, reduce erosion and other forms of land degradation. Continuous use of chemical fertilizer alone creates various problems in the environment. Combined application of manure and chemical fertilizer to soil increase the available N, P, K status of soil and improve the organic carbon content of soil as well as increase crop yield

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