适宜灌溉方式与施氮肥量对旱区黄花菜增产增效的影响
贾帅 , 高洪香 , 王海曦 , 焦炳忠 , 赵宁霞
西北工程技术学报(中英文) ›› 2026, Vol. 25 ›› Issue (3) : 243 -248.
适宜灌溉方式与施氮肥量对旱区黄花菜增产增效的影响
Effects of Irrigation Method and Nitrogen Application Rate on the Yield and Resource-Use Efficiency of Daylily in an Arid Region
为探索宁夏干旱区黄花菜(Hemerocallis citrinaBaroni)高产高效种植模式,2024 年在宁夏红寺堡区开展田间试验。以灌溉方式和施氮肥量为核心调控因子,研究不同水肥条件下黄花菜各生育期叶片叶绿素相对含量、全氮质量分数,土壤硝态氮质量分数,花蕾产量及水分利用效率。结果显示,双管单行灌溉+施氮肥量 675.0 kg/hm²的组合(D2N3)为最优处理,在该处理下,生育期叶片叶绿素相对含量及全氮质量分数显著提升,花蕾长度为 12.18 cm,单蕾质量为 4.68 g,产量为 19 319 kg/hm²,水分利用效率达 5.93 kg/m³,相较于单管单行灌溉+施氮肥量 450.0 kg/hm²的处理(D1N1),黄花菜产量提升 58.1%,花蕾长度提升 20.4%,单蕾质量提升 35.7%。研究表明,合理水肥管理可显著提升黄花菜的光合作用效率、氮利用能力、水分利用效率。
To develop a high-yield and resource-efficient cultivation model for daylily (Hemerocallis citrinaBaroni) in the arid regions of Ningxia, a two-factor field experiment was conducted in Hongsibao District in 2024, with irrigation method and nitrogen application rate as the experimental factors. Leaf relative chlorophyll content (SPAD) and total nitrogen mass fraction at different growth stages, soil nitrate-nitrogen mass fraction, flower bud yield, and water use efficiency (WUE) were measured under different irrigation and fertilization treatments. The results showed that the combination of two drip tapes per crop row and a nitrogen application rate of 675.0 kg/hm² (D2N3) was the optimal treatment. Under this treatment, the relative chlorophyll content and total nitrogen mass fraction throughout the growing season increased significantly; flower bud length and individual bud weight were 12.18 cm and 4.68 g, respectively, bud yield reached 19 319 kg/hm², and WUE reached 5.93 kg/m³. Compared with one drip tape per crop row combined with 450.0 kg/hm2 nitrogen (D1N1), D2N3 increased flower bud yield by 58.1%, bud length by 20.4%, and individual bud weight by 35.7%. These findings demonstrate that appropriate irrigation and nitrogen management can significantly improve the photosynthetic efficiency, nitrogen uptake, and WUE of daylily.
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黄河流域开放大学联盟2022年联合科研攻关项目(HHLMKT202213)
宁夏开放大学教学实施团队建设项目(NXOUTD2025002)
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