The Impact of Planting Industry Structural Changes on Carbon Emissions in the Three Northeast Provinces of China.

As an overall trend, the proportion of carbon emissions from the use of various agricultural materials has remained fairly stable over the recent 2001–2016 period.

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The first stage is a significant decrease in 1999–2000; the second stage is a fluctuating increase in 2000–2015; followed by a decreasing trend in the third stage between 2016 and 2018.

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