不同厚度秸秆隔层对河套灌区盐碱土壤温度、水分和食葵产量的影响
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王国丽,常芳弟,张宏媛,卢闯,宋佳珅,王婧,逄焕成,李玉义
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Effects of Straw Interlayer with Different Thickness on Saline-Alkali Soil Temperature, Water Content, and Sunflower Yield in Hetao Irrigation Area
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WANG GuoLi,CHANG FangDi,ZHANG HongYuan,LU Chuang,SONG JiaShen,WANG Jing,PANG HuanCheng,LI YuYi
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表4 不同处理食葵的产量和水分利用效率
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Table 4 Yield and water use efficiency of sunflower under different treatments
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处理
Treatment | 2016 | 2017 | 产量
Yield
(kg·hm-2) | 水分利用效率
Water use efficiency
（kg·hm-2·mm-1） | 灌溉水分生产率
Irrigation water productivity (kg·m-3) | 产量
Yield
(kg·hm-2) | 水分利用效率
Water use efficiency
（kg·hm-2·mm-1） | 灌溉水分生产率
Irrigation water productivity (kg·m-3) | | CK | 3923.63±87.37c | 0.33±0.00c | 2.12±0.05c | 4463.99±84.99b | 0.68±0.02b | 2.41±0.05b | | S3 | 4476.20±30.46b | 0.41±0.01b | 2.42±0.02b | 4651.54±64.67b | 0.68±0.01b | 2.51±0.03b | | S5 | 5037.02±136.11a | 0.45±0.01a | 2.72±0.07a | 5060.83±68.48a | 0.75±0.01a | 2.74±0.04a | | S7 | 4751.61±96.73ab | 0.45±0.01a | 2.57±0.0.05ab | 5015.27±79.42a | 0.75±0.01a | 2.71±0.04a |
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