不同施氮量对冬小麦产量、效益及土壤理化性状的影响
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黄寅玲,雷忠顺,郑涛,索新霞
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Effects of Different Nitrogen Concentrations on Yield and Benefit of Winter Wheat and Soil Physical and Chemical Properties
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Yinling Huang,Zhongshun Lei,Tao Zheng,Xinxia Suo
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表4 不同施氮量处理对冬小麦经济效益的影响
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处理 Treatment | 总产值 Total value of output | 追肥人工及尿素投入Topdressing artificial and urea input | 较W1增收 Gain more than W1 | 较W5增收 Gain more than W5 | 尿素Urea | 人工Labor | 小计Subtotal | W1 | 14 841.90 | - | - | - | - | - | W2 | 19 468.35 | 777.0 | 300.0 | 1 077.0 | 3 549.45 | -2 295.90 | W3 | 21 110.55 | 943.5 | 300.0 | 1 243.5 | 5 025.15 | -820.20 | W4 | 22 066.20 | 1 054.5 | 300.0 | 1 354.5 | 5 869.80 | 24.45 | W5 | 22 097.25 | 1 110.0 | 300.0 | 1 410.0 | 5 845.35 | - | W6 | 22 124.85 | 1 165.5 | 300.0 | 1 465.5 | 5 817.45 | -27.90 |
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