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Start Over Author "Dheebakaran, Ga" Journal international journal of environment and climate change
19 results on '"Dheebakaran, Ga"'

11. Effect of Microbial Consortium for Nutrient Dynamics and Biological Activity of Paddy Field under insitu Decomposition

Author

E. Parameswari, Dheebakaran Ga, M. Maheswari, P. Kalaiselvi, V. Davamani, and Nivedha Babu

Subjects
Materials Chemistry
Abstract

The production of rice and rice straw are directly proportional to each other and becomes a major problem in disposal of rice straw. Though there are many suitable methods in the reduction of rice straw few are bane to environment. Thus this study focuses only on the sustainable and ecofriendly manner of straw disposal. Insitu decomposition of rice stubbles using TNAU biomineralizer is the experimental study which was carried out in randomised block design with six Treatment and four replications. To determine the most effective methods of managing rice stubble, nutrient dynamics, and growth parameters of the rice crop, CO 53 variety of short duration was selected and laid down at Tamil Nadu Agricultural University, Coimbatore from 2021 to 2022. The six treatments includes T1: Stubble (Natural degradation), T2: Stubble+ balancing C:N ratio with urea, T3: Stubble applied with TNAU biomineralizer @ 2kg /ton of residue, T4: Stubbles applied with TNAU biomineralizer @ 2kg/ton of residue +balancing C:N ratio with urea, T5: Stubbles incorporated in soil using rotavator and applied with TNAU biomineralizer @ 2kg/ton of residue, T6: Stubbles incorporated in soil using rotavator and applied with TNAU biomineralizer @ 2kg/ton of residue + balancing C:N ratio with urea. The study findings showed that incorporation of straw with addition of biomineralizer for decomposition of straw @ 2kg/ton of residue along with balancing C:N ratio urea recorded the highest rice crop growth at harvest stage (115.70cm) and nutrient dynamics (N, P K) of 20.9 %, 4.6 % and 19.2 % higher at tillering stage and micro nutrients Cu-22.0 %, Zn- 20.9 %, Fe- 2.8 %, Mn- 9.7 % in panicle initiation stage of rice crop.

Published
2022
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