我国麦田有机肥替代化学氮肥的产量及经济环境效应
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李永华,武雪萍,何刚,王朝辉
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Benefits of Yield, Environment and Economy from Substituting Fertilizer by Manure for Wheat Production of China
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LI YongHua,WU XuePing,HE Gang,WANG ZhaoHui
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表2 小麦生产的经济效益分析
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Table 2 Economic benefits of wheat production
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替代比例 Substitution ratio(%) | 处理 Treatment | 肥料投入Fertilizer input (yuan/hm2) | 总投入 Input (yuan/hm2) | 肥料投入占总投入比例 Fertilizer input as percentage of input (%) | 总产出 Output (yuan/hm2) | 净经济效益 Economic benefit (yuan/hm2) | 化肥 Chemical fertilizer | 有机肥 Manure | <15 | CF | 1812 | — | 6021 | 30 | 14856 | 8835a | | SNPM | 1508 | 341 | 6058 | 31 | 15965 | 9907a | | SNCHM | 1508 | 440 | 6157 | 32 | 15965 | 9808a | | SNCM | 1508 | 486 | 6203 | 32 | 15965 | 9762a | | SNCOM | 1508 | 1265 | 6982 | 40 | 15965 | 8983a | 15-30 | CF | 1678 | — | 5887 | 29 | 15536 | 9649a | | SNPM | 1292 | 729 | 6230 | 32 | 16237 | 10007a | | SNCHM | 1292 | 940 | 6441 | 35 | 16237 | 9796a | | SNCM | 1292 | 1038 | 6539 | 36 | 16237 | 9697a | | SNCOM | 1292 | 2703 | 8204 | 49 | 16237 | 8033a | 30-45 | CF | 1765 | — | 5974 | 30 | 15189 | 9215a | | SNPM | 1218 | 1039 | 6466 | 35 | 15342 | 8877a | | SNCHM | 1218 | 1340 | 6767 | 38 | 15342 | 8575ab | | SNCM | 1218 | 1480 | 6907 | 39 | 15342 | 8435ab | | SNCOM | 1218 | 3853 | 9280 | 55 | 15342 | 6063b | >45 | CF | 1922 | — | 6131 | 31 | 13558 | 7427a | | SNPM | 1160 | 1628 | 6997 | 40 | 13785 | 6788ab | | SNCHM | 1160 | 2100 | 7469 | 44 | 13785 | 6316ab | | SNCM | 1160 | 2320 | 7689 | 45 | 13785 | 6096b | | SNCOM | 1160 | 6038 | 11407 | 63 | 13785 | 2378c |
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