Crop harvest in the Yangtze River Economic Belt still maintained an increasing trend, but the increase rate was significantly lower than that during 2004–2015 due to the decrease in total N input.
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Evaluation of agricultural and rural pollution under environmental measures in the Yangtze River Economic Belt, China.
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The sentences
From 1978 to 2014, emissions showed a trend of substantial increase and began to decline with the implementation of pollution control measures but were still at a high level.