Maize productivity and soil properties in the Loess Plateau in response to ridge-furrow cultivation with polyethylene and straw mulch.

Sci Rep · 2019 · PMC6395758 · PMID 30816232

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an increasing trendno p-value reported

Although urease activity in most stages exhibited an increasing trend of STN, soil total nitrogen in the three film-mulch plots displayed consistent reduction.

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