国际粮食贸易影响下东北黑土地生产压力变化与保护策略

邓祥征, 梁立, 廖晓勇, 刘玉洁, 李志慧, 岳天祥, 董金玮, 孙志刚, 陈明星

Research on changes in grain production pressure and protection strategies in the black soil region of Northeast China under the influence of international grain trade

DENG Xiang-zheng, LIANG Li, LIAO Xiao-yong, LIU Yu-jie, LI Zhi-hui, YUE Tian-xiang, DONG Jin-wei, SUN Zhi-gang, CHEN Ming-xing

表1 国际粮食贸易对于东北黑土地粮食生产耕地压力减缓作用的贡献率

Table 1 Contribution of international grain trade to alleviating the pressure of cropland for grain production in the black soil region of Northeast China (%)

年份 粮食 大豆 玉米 稻谷 2020 26.22 511.48 4.33 0.04 2015 24.71 659.34 1.78 1.44 2010 13.31 362.22 0.81 -0.12 2005 4.64 160.21 -6.20 -0.09 2000 -0.09 66.24 -9.88 -1.46