Biostimulant Action of Dissolved Humic Substances From a Conventionally and an Organically Managed Soil on Nitrate Acquisition in Maize Plants.

Front Plant Sci · 2019 · PMC6974922 · PMID 32038669

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a positive trendno p-value reported

While the conversion to OF can activate a positive trend towards the increase of SOM ( Gattinger et al., 2012 ), no evidence for a similar trend has been noticed for DOM ( Hu et al., 2018 ).

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