海南岛农牧生产体系磷元素流动时空变化特征
丁尚1,郭浩浩1,宋晨阳1,刁晓平2,赵洪伟1,2(
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Temporal and Spatial Variation Characteristics of Phosphorus Element Flows in the Crop-Livestock Production System of Hainan Island
DING Shang1,GUO HaoHao1,SONG ChenYang1,DIAO XiaoPing2,ZHAO HongWei1,2()
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图2. 海南岛农田（A、B）、动物（C、D）生产子系统30年间磷素流动变化
Fig. 2. Phosphorus flows changes in the farming production subsystem (A, B) and animal production subsystem (C, D) of Hainan Island in 30 years
