长江中下游冬油菜产区有机无机肥配施下减氮增效潜力分析

蒋倩红,陆志峰,赵海燕,郭俊杰,刘文波,凌宁,郭世伟

Potential Analysis of Reducing Chemical Nitrogen Inputs While Increasing Efficiency by Organic-Inorganic Fertilization in Winter Rapeseed Producing Areas of the Middle and Lower Reaches of the Yangtze River

JIANG QianHong,LU ZhiFeng,ZHAO HaiYan,GUO JunJie,LIU WenBo,LING Ning,GUO ShiWei

表4 不同施肥处理下的增加产值和增收效益评估（元/hm2）

Table 4 Evaluation of output increases and income increases by fertilizing under different fertilization treatment (yuan/hm2)

处理 Treatment 高淳 Gaochun 安仁 Anren 沙洋 Shayang 休宁 Xiuning 当涂 Dangtu 增加产值 Increased production 氮肥和 有机肥 成本 Chemical N and manure cost 人工成本（施用有机肥） Labor cost Applying organic fertilizer 增收 效益 Income increase benefit 增加产值 Increased production 氮肥和有机肥成本Chemical N and manure cost 人工成本（施用有机肥） Labor cost Applying organic fertilizer 增收 效益 Income increase benefit 增加产值 Increased production 氮肥和有机肥成本Chemical N and manure cost 人工成本（施用有机肥） Labor cost Applying organic fertilizer 增收效益 Income increase benefit 增加产值 Increased production 氮肥和有机肥成本Chemical N and manure cost 人工成本（施用有机肥） Labor cost Applying organic fertilizer 增收效益 Income increase benefit 增加产值 Increased production 氮肥和有机肥成本Chemical N and manure cost 人工成本（施用有机肥） Labor cost Applying organic fertilizer 增收效益 Income increase benefit N0 - - - - - - - - - - - - - - - - - - - N90 5301 440 - 4860± 911cNS 2559 440 - 2119± 216c** 3647 440 - 3207± 92cNS 2363 440 - 1923± 93cNS 2313 440 - 1872± 712bNS N135 9030 660 - 8370± 503bNS 4753 660 - 4093± 1039bNS 5803 660 - 5142± 294bNS 4906 660 - 4245± 251bNS 5708 660 - 5048± 340aNS N180 10395 880 - 9515± 765abNS 6981 880 - 6101± 169a** 6743 880 - 5863± 438aNS 9473 880 - 8592± 108aNS 6363 880 - 5483± 445aNS N225 12352 1101 - 11252± 317aNS 8441 1101 - 7340± 147aNS 9601 1101 - 8500± 16a* 9749 1101 - 8648± 830aNS 7296 1101 - 6195± 256aNS N270 12413 1321 - 11092± 495aNS 7318 1321 - 5997± 172aNS 9746 1321 - 8426± 38a* 11672 1321 - 10351± 714aNS 7516 1321 - 6195± 590aNS M+N0 7060 1800 626 4634± 431d 2178 1800 501 -123± 4c 2354 1800 585 -31± 108d 3712 1800 418 1494± 958c 3632 1800 501 1331± 580b M+N90 10147 2240 626 7281± 163c 5847 2240 501 3106± 87b 7038 2240 585 4213± 588c 7080 2240 418 4422± 759b 6990 2240 501 4249± 1317a M+N135 11687 2460 626 8601± 647bc 6424 2460 501 3463± 0b 8148 2460 585 5102±498bc 11446 2460 418 8567± 239a 8146 2460 501 5185± 350a M+N180 13710 2680 626 10403± 290a 12096 2680 501 8915± 52a 9652 2680 585 6387± 362ab 13456 2680 418 10358± 603a 9751 2680 501 6569± 787a M+N225 13944 2901 626 10418± 597a 11526 2901 501 8125± 218a 10047 2901 585 6562± 409a 13276 2901 418 9957± 443a 9933 2901 501 6532± 147a M+N270 13869 3121 626 10122± 392ab 11528 3121 501 7907± 776a 11167 3121 585 7461± 197a 12523 3121 418 8985± 624a 9965 3121 501 6343± 505a N ** ** ** ** ** M NS ** ** NS NS N×M NS ** * NS NS