不同降雨年型黑膜垄作对土壤水肥环境及马铃薯产量和效益的影响
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杨封科,何宝林,董博,王立明
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Effects of Black Film Mulched Ridge-Furrow Tillage on Soil Water- Fertilizer Environment and Potato Yield and Benefit Under Different Rainfall Year in Semiarid Region
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YANG FengKe,HE BaoLin,DONG Bo,WANG LiMing
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表2 黑膜垄作对马铃薯结薯特性的影响（2016—2018）
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Table 2 Tuberization characteristics of potato under black film mulched ridge-furrow tillage (2016-2018)
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处理
Treatments | 薯型 Potato sizes | 薯重 Potato weight | 大薯
Large potato
(>150 g) | 中薯
Medium potato
(75-150 g) | 小薯
Small potato
(<75g) | 大薯重
Large potato
weight (kg) | 中薯重
Medium potato
weight (kg) | 小薯重
Small potato
weight (kg) | | BHRF | 2.2±0.05a | 1.2±0.06a | 2.3±0.1ab | 0.64±0.02a | 0.24±0.01a | 0.19±0.01a | | BMRF | 2.1±0.10b | 1.2±0.10a | 2.1±0.10c | 0.62±0.01ab | 0.24±0.01a | 0.19±0.01a | | BLRF | 2.0±0.04c | 1.1±0.06ab | 2.2±0.1bc | 0.6±0.02b | 0.23±0.01a | 0.20±0.01a | | WRF | 1.9±0.04c | 1.0±0.06b | 2.5±0.08a | 0.48±0.01c | 0.22±0.01b | 0.19±0.01a |
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