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Temporal and spatial variation of potassium balance in agricultural land at national and regional levels in China - Fig 3

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posted on 2017-09-05, 17:37 authored by Yingxia Liu, Jinchuan Ma, Wencheng Ding, Wentian He, Qiuliang Lei, Qiang Gao, Ping He

Temporal variation of K input (a), output (b) and balance (c) in the unit of cultivated land in six regions from 1980 to 2015.

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    potassium use efficiency7.18 kg K 2 O19.50 kg K 2 O23.44 Mt K 2 OK balanceKUEmanagement practices need0.48 Mt K 2 O6.78 Mt K 2 O0.38 Mt K 2 Osoil K balance statusvariation

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