基于生命周期法的中国2004—2015年油菜生产氮足迹分析

陈中督,徐春春,纪龙,方福平

Assessment of the nitrogen footprint in oilseed rape production of China during 2004 to 2015 base on life cycle assessment method

Zhong-Du CHEN,Chun-Chun XU,Long JI,Fu-Ping FANG

表2 2004-2015年我国油菜生产单位面积氮足迹大小及组成

Table 2 Composition of nitrogen footprint of oilseed rape production of China from 2004 to 2015

种类 Item 年份 Year 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 农资投入 Farm inputs (g N-eq hm-2) 氮肥 N 1659.7 1509.2 1574.3 1525.5 1454.3 1511.3 1470.6 1448.2 1346.5 1275.3 1303.8 1271.3 磷肥 P 59.3 76.3 79.5 73.7 56.7 63.2 54.4 55.7 49.9 45.3 38.8 38.5 钾肥 K 12.3 16.6 10.1 9.6 10.9 6.1 7.4 6.1 7.9 6.6 5.7 6.6 复混肥 CF 124.6 164.5 178.3 206.9 223.2 225.3 251.4 251.8 263.1 305.1 329.8 347.9 除草剂 H 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 杀虫剂 In 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 杀菌剂 Fu 59.4 59.4 59.4 59.4 59.4 59.4 59.4 59.4 59.4 59.4 59.4 59.4 柴油 D 31.1 29.8 27.6 35.8 38.4 46.4 49.9 52.1 63.5 71.2 91.2 101.3 直接活性氮损失 Direct reactive nitrogen loss Nr-NH3 4413.2 4106.8 4296.2 4225.5 4076.0 4223.4 4168.5 4112.9 3877.3 3774.7 3891.9 3842.9 Nr-NO3- 353.7 329.2 344.4 338.7 326.7 338.5 334.1 329.7 310.8 302.6 312.0 308.0 Nr-NH4+ 1108.8 1031.8 1079.4 1061.6 1024.1 1061.1 1047.3 1033.4 974.2 948.4 977.8 965.5 Nr-N2O 289.7 269.6 282.0 277.3 267.5 277.2 273.6 270.0 254.5 247.8 255.5 252.3 NFa (g N-eq hm-2) 8114.0 7595.2 7933.4 7816.2 7539.5 7814.1 7718.9 7621.4 7209.1 7038.4 7267.9 7195.7 NFy (g N-eq kg-1) 4.02 3.97 4.03 3.57 3.73 3.92 4.11 3.90 3.69 3.37 3.62 3.45