Effects of water and nitrogen additions on the intra- and inter-annual dynamics of plant nitrogen concentration in Inner Mongolia temperate steppe
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2011 ◽
Vol 410-411
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pp. 182-190
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2013 ◽
Vol 33
(15)
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pp. 4808-4817
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1995 ◽
Vol 26
(15-16)
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pp. 2531-2557
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