基于生命周期法的中国2004—2015年油菜生产氮足迹分析
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陈中督,徐春春,纪龙,方福平
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Assessment of the nitrogen footprint in oilseed rape production of China during 2004 to 2015 base on life cycle assessment method
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Zhong-Du CHEN,Chun-Chun XU,Long JI,Fu-Ping FANG
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表3 我国典型省份冬油菜氮足迹、投入及产业构成
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Table 3 Nitrogen footprint, input and composition of industry in typical provinces of China
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项目
Item | | 氮足迹、投入及构成Nitrogen footprint, input and composition | | 高产High yield | 低产 Low yield | | 省市 Province or municipality | | 上海 Shanghai | 安徽 Anhui | | | 江苏 Jiangsu | 江西 Jiangxi | | | 浙江 Zhejiang | 湖南 Hunan | | 农资投入 | 氮肥N | 2110.9±455.4 | 1168.9±211.1 | | Farm input (g N-eq hm-2) | 磷肥P | 68.1±21.1 | 38.5±10.2 | | 钾肥K | 3.9±1.2 | 12.1±6.5 | | 复混肥CF | 308.9±91.2 | 195.8±62.5 | | 除草剂 H | 1.6 | 1.6 | | 杀虫剂 In | 0.57 | 0.57 | | 杀菌剂 Fu | 59.35 | 59.35 | | 柴油 D | 49.8±11.3 | 30.47±8.7 | 项目
Item | | 氮足迹、投入及构成Nitrogen footprint , input and composition | | 高产High yield | 低产 Low yield | | 田间直接氮损失 | Nr-NH3 | 5888.6±1231.1 | 3306.1±721.5 | | Indirect emission in field | Nr-NO3- | 472.0±101.3 | 265.0±92.2 | | (g N-eq hm-2) | Nr-NH4+ | 1479.5±311.4 | 830.6±111.2 | | Nr-N2O | 386.5±101.7 | 217.0±91.2 | | 单位面积氮足迹 NFa (g N-eq hm-2) | 10829.8±2221.1 | 6126.0±1101.6 | | 产量 Yield (kg hm-2) | 2328.0±913.4 | 1708.8±771.3 | | 单位产量氮足迹 NFy (g N-eq kg-1) | 4.74±1.14 | 3.61±1.01 |
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