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Miwa Arai

Researcher at National Agriculture and Food Research Organization

Publications -  8
Citations -  385

Miwa Arai is an academic researcher from National Agriculture and Food Research Organization. The author has contributed to research in topics: Soil carbon & Ecosystem. The author has an hindex of 6, co-authored 7 publications receiving 225 citations. Previous affiliations of Miwa Arai include Yokohama National University.

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Journal ArticleDOI

Global distribution of earthworm diversity

Helen Phillips, +145 more
- 25 Oct 2019 - 
TL;DR: It was found that local species richness and abundance typically peaked at higher latitudes, displaying patterns opposite to those observed in aboveground organisms, which suggest that climate change may have serious implications for earthworm communities and for the functions they provide.
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Changes in water stable aggregate and soil carbon accumulation in a no-tillage with weed mulch management site after conversion from conventional management practices

TL;DR: In this article, the changes in water stable aggregates (WSA) and soil carbon (C) at a site in Akame, Mie, Japan, operating a no-tillage with weed mulch management (NWM) system over a chronosequence from 0 to 17 years after conversion from conventional tillage practices (0, 5, 10, 15, and 17 years).
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Two-year responses of earthworm abundance, soil aggregates, and soil carbon to no-tillage and fertilization

TL;DR: In this paper, the effects of two tillage practices (conventional tillage and no-till farming and weed mulching) and their interaction on earthworm abundance, soil aggregates, and soil carbon at two years after land conversion from grassland to agricultural land were studied.
Journal ArticleDOI

Changes in soil aggregate carbon dynamics under no-tillage with respect to earthworm biomass revealed by radiocarbon analysis

TL;DR: In this paper, the effect of earthworm activity on soil aggregate size was investigated and it was found that earthworms constituted approximately 80% of the total soil, reflecting NT and accumulation of earthworms casts (> 1mm).
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Shifts in the composition and potential functions of soil microbial communities responding to a no-tillage practice and bagasse mulching on a sugarcane plantation

TL;DR: The findings suggest that the microbial communities change their composition and functionality in response to the NT and M treatments, and these shifts have the potential to affect important soil processes that sustain crop productivity, such as C sequestration and major nutrient cycles.