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Research Article Open access CC BY 4.0

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

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

International Journal of Environment and Climate Change · pp. 403–412 · Published 15 Jul 2022

10.9734/ijecc/2022/v12i1130988

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.

Rice straw insitu decomposition biomineralizer nutrient dynamics

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Cited by 2

A Comprehensive Review of Nutrient Deficiencies in Different Growth Stages of Paddy Crop

B Johnson, Thangavel Chandrakumar · International Journal of Computing and Digital Systems · 2023

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