Effects of Biochar Application on Soil Organic Carbon Composition and Enzyme Activity in Paddy Soil under Water-Saving Irrigation.

Int J Environ Res Public Health · 2020 · PMC6981869 · PMID 31947763

Europe PMC DOI

hedged sentences

0.0100

closest p · 0.2× alpha

0.0100

boldest claim

The sentences

highly significantp < 0.01actually significant

The results showed that biochar application presented a significant ( p < 0.05) and highly significant difference ( p < 0.01) in the jointing and booting and milk stages of rice, respectively.

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an increasing trendno p-value reported

In the 20 to 40 cm soil layer, the soil INV activity showed an increasing trend with the prolongation of growth period, and the C0, C20, and C40 treatments were significantly different at the milk stage ( p < 0.05).

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an evident trendno p-value reported

Paddy soil exhibits a high level of organic carbon content, an evident trend of carbon sequestration, and a great potential for carbon fixation, which is an important part of the construction of soil carbon sequestration capacity to reduce greenhouse gas emission.

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