Phosphorus flow management of cropping system in Huainan, China, 1990-2012
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文摘

Phosphorus flows of cropping system in Huainan City in 1990–2012 were quantified.

All the total P input, P output, and P stock increased during these years.

The increasing trends of P losses and P accumulations were similar.

The phosphorus use efficiencies (PUEs) were as low as about 30%.

The strategies for improving P management were proposed.

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