To study Soil organic matter pools under integrated nutrient management in continuous Maize-Wheat Cropping System, soil samples were drawn at a depth of 0-15 cm from long term fertilizer experiment trial of AICRP, at Instructional Farm of Rajasthan College of Agriculture, Udaipur after nine years rotation of maize-wheat crop.. The experiment consisted of 12 treatment combinations viz., T1-100% NPK; T2-100% NPK + Zn; T3-100% NPK + Zn + S; T4-100% NPK...