耕作、施氮和密度及其互作对旱地春玉米土壤水分及产量形成的影响
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李敖,张元红,温鹏飞,王瑞,董朝阳,宁芳,李军
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Effects of Tillage, Nitrogen Application, Planting Density and Their Interaction on Soil Moisture and Yield Formation of Spring Maize in Dryland
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LI Ao,ZHANG YuanHong,WEN PengFei,WANG Rui,DONG ZhaoYang,NING Fang,LI Jun
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表3 2017—2018年不同处理玉米生产成本和经济效益
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Table 3 Cost and return of maize production under different treatments in 2017-2018 (yuan/hm2)
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处理
Treatment | 总投入
Total cost | 产量收入Yield income | 纯收益Return | | 2017 | 2018 | 2017 | 2018 | | CTZ1 | 9355 | 2469 | 11242 | -6886c | 1887c | | CTZ2 | 9455 | 3613 | 12150 | -5842ab | 2695b | | CTL1 | 9845 | 3674 | 12619 | -6171b | 2774b | | CTL2 | 9945 | 4755 | 13334 | -5190a | 3389ab | | CTH1 | 10135 | 3162 | 14472 | -6973c | 4337a | | CTH2 | 10235 | 5318 | 14813 | -4917a | 4603a | | NTZ1 | 8680 | 2814 | 10710 | -5866c | 2030d | | NTZ2 | 8780 | 3944 | 13773 | -4836b | 4993c | | NTL1 | 9170 | 4285 | 14578 | -4885b | 5408b | | NTL2 | 9270 | 5779 | 15181 | -3491a | 5911b | | NTH1 | 9460 | 4069 | 15301 | -5391c | 5841b | | NTH2 | 9560 | 6298 | 17218 | -3262a | 7658a | | STZ1 | 9430 | 3450 | 11376 | -5980c | 1946c | | STZ2 | 9530 | 4589 | 13576 | -4941b | 4046b | | STL1 | 9920 | 5008 | 14469 | -4912 | 4549b | | STL2 | 10020 | 6683 | 16232 | -3337a | 6212ab | | STH1 | 10210 | 5699 | 14813 | -4511b | 4603b | | STH2 | 10310 | 6733 | 17723 | -3577a | 7413a |
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