We discovered typographical errors in two sentences and, therefore, changes are needed to our published manuscript [1]. In the Abstract and Section 2.2 of the Experimental Design, four N addition treatments should have been 50 kg N ha−1·year−1 instead of 5 kg N ha−1·year−1 for the low-N treatment, 100 kg N ha−1·year−1 instead of 10 kg N ha−1·year−1 for the medium-N treatment and 150 kg N ha−1·year−1 instead of 15 kg N ha−1·year−1 for the high-N treatment. The sentence in the Abstract should read “Four N addition treatments, i.e., control (N0: 0 kg N ha−1·year−1), low-N (N1: 50 kg N ha−1·year−1), medium-N (N2: 100 kg N ha−1·year−1), and high-N (N3: 150 kg N ha−1·year−1), were applied starting May 2010”; and the sentence in the Section 2.2 of the Experimental Design should read “four treatments (each treatment with three replicates) with N addition were investigated in the plots: control (N0: 0 kg N ha−1·year−1), low-N (N1: 50 kg N ha−1·year−1), medium-N (N2: 100 kg N ha−1·year−1), and high-N (N3: 150 kg N ha−1·year−1)”. The changes will not impact the conclusion of the original version.
The authors would like to apologize for any inconvenience caused to the readers by these changes. The manuscript will be updated and the original will remain available on the article webpage.
Reference
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