灌溉下限对设施土壤N2O和NO排放特征的影响
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张丽媛,吕金东,石欣悦,虞娜,邹洪涛,张玉玲,张玉龙
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Effects of Irrigation Regimes on N2O and NO Emissions from Greenhouse Soil
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LiYuan ZHANG,JinDong LÜ,XinYue SHI,Na YU,HongTao ZOU,YuLing ZHANG,YuLong ZHANG
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表3 不同灌水下限番茄产量及土壤NO和N2O的排放参数
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Table 3 Tomato yield and NO and N2O emission indexes from soil under different irrigation regimes
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处理
Treatment | 番茄产量
Tomato yield (×103 kg·hm-2) | N2O+NO总累积排放量
N2O+NO total cumulative emissions (kg N·hm-2) | 单位产量N2O+NO排放
Yield-scaled N2O+NO (×10-3g·kg-1) | NO/N2O | | W1 | 40.38±1.04dC | 1.90±0.01cC | 47.01±1.49aA | 0.49±0.01dD | | W2 | 74.31±1.55aA | 1.75±0.03dC | 23.60±0.65cC | 0.89±0.01aA | | W3 | 56.13±2.81cB | 2.14±0.04bB | 38.32±1.54bB | 0.65±0.01cC | | W4 | 66.34±2.91bAB | 3.12±0.04aA | 47.15±1.83aA | 0.74±0.01bB |
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