密度和施肥对旱地马铃薯干物质积累、产量和水肥利用的影响
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柳燕兰, 郭贤仕, 张绪成, 马明生, 王宏康
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Effects of planting density and fertilization on dry matter accumulation, yield and water-fertilizer utilization of dryland potato
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LIU Yan-Lan, GUO Xian-Shi, ZHANG Xu-Cheng, MA Ming-Sheng, WANG Hong-Kang
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表2 不同栽培模式下马铃薯叶面积指数
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Table 2 Leaf area index (LAI) of potato under different cultivation models
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年份
Year | 处理
Treatment | 现蕾期
Squaring stage | 花期
Flowering stage | 块茎膨大期
Tuber expanding stage | 淀粉积累期
Starching accumulation stage | | 2017 | CK | 1.27±0.09 c | 1.53±0.18 b | 3.07±0.16 b | 2.45±0.10 c | | YE | 1.80±0.20 b | 2.41±0.16 a | 3.73±0.16 a | 3.32±0.17 a | | HY | 2.03±0.17 a | 2.56±0.17 a | 3.68±0.13 a | 3.21±0.15 b | | 2018 | CK | 1.83±0.18 b | 2.83±0.18 b | 3.32±0.16 b | 2.71±0.21 b | | YE | 2.49±0.21 a | 3.68±0.25 a | 4.14±0.12 a | 3.75±0.16 a | | HY | 2.65±0.29 a | 3.73±0.18 a | 4.28±0.14 a | 3.88±0.16 a | | 2019 | CK | 2.22±0.16 b | 2.37±0.13 b | 3.38±0.17 b | 2.82±0.31 b | | YE | 2.73±0.13 a | 3.11±0.16 a | 4.27±0.20 a | 3.82±0.28 a | | HY | 2.83±0.24 a | 3.23±0.17 a | 4.32±0.16 a | 3.95±0.22 a |
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