Author(s): SS Porte, B Sachidanand, HK Rai, Vaishli Sharma and Kritika Dongre

Abstract: The present investigation was carried out at the research farm of JNKVV under AICRP on STCR, Department of Soil Science and Agricultural Chemistry, College of Agriculture, JNKVV, Jabalpur (MP). The experiment was taken under the ongoing project of AICRP on STCR with six different treatments based on targeted yield of rice and wheat cropping sequence. with The six treatments were consisted as RT1 (Control), RT2 (GRD @ 80:50:30 NPK kgha-1),RT3 (Targeted Yield 5 t ha-1), RT4 (Targeted Yield, 6 t ha-1), RT5 (Targeted Yield,5 t ha-1 with 5 t FYM ha-1) and RT6 (Targeted Yield 6 t ha-1 with 5 t FYM ha-1) in rice crop during kharif season. Whereas, six treatments also consisted i.e.WT1 (Control), WT2 (GRD @ 120:80:60 NPK kgha-1 ),WT3 (Targeted Yield 4.5 t ha-1), WT4 (Targeted Yield, 6 t ha-1), WT5 (Targeted Yield,4.5 t ha-1 with 5 t FYM ha-1) and WT6 (Targeted Yield 6 t ha-1 with 5 t FYM ha-1) in wheat crops during Rabi season were tested under Randomized Block Design with four replications. The different treatments was slightly decreased than the initial soil pH value of 7.78 when pH value recorded at 0-20 cm soil depth in rice crop at 30, 60, 90 DAS and at harvesting stage. However, the different treatments of wheat crop was not significantly influence on pH of surface (0-20 cm) soils at different time interval. The EC values at 0-20 cm depth showed increasing trend over passage of time of growth as compared to initial value in rice. The EC value was increased at 30 and 60 DAS and deceased after later stage in wheat crop. An application of integrated nutrient increased organic carbon at 0-20 cm at different time intervals in both rice and wheat crop. The R T6 treatment exhibited maximum plant height, tillers/hills and panicle length in crops. The highest yield of grain and straw was recorded in treatment RT6 having higher target yield 5.57 t ha-1 and 8.53 t ha-1respectively. The maximum protein content was also recorded under RT6 in rice and wheat crops.

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