| 引用本文: | 马永康,王振华,李海强,等.水温与有机肥替代对滴灌骏枣产量及水分利用的影响[J].灌溉排水学报,0,():-. |
| mayongkang,wangzhenhua,lihaiqiang,et al.水温与有机肥替代对滴灌骏枣产量及水分利用的影响[J].灌溉排水学报,0,():-. |
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| 摘要: |
| 【目的】研究不同水温下有机肥替代比例对滴灌骏枣产量和水分利用效率的影响，以期为吐哈盆地骏枣合理施肥、水资源高效利用提供理论支撑。【方法】通过大田试验，设置常规井水T1（13±1℃）和增温水T2（21±1℃）两个水温，全施化肥（CK）、有机肥替代10%（F1）、30%（F3）、50%（F5）、70%（F7）和90%（F9）的化肥6个施肥水平，共12个处理，分析不同滴灌水温下有机肥替代化肥对土壤水分、骏枣耗水规律、产量以及水分利用效率的影响。【结果】在相同施肥水平下，T2较T1，各生育时期0~100 cm土层土壤水分有所降低，总耗水量增加1.14~2.83%，骏枣产量和水分利用效率提高7.15%和5.10%。在相同灌溉水温下，随有机肥替代比例的增加，各生育期0~100 cm土层平均土壤含水量和耗水量均逐渐增加；骏枣产量和水分利用效率呈先增加后减少的变化，且均在F5施肥水平下达到最大。相较于CK，在T1和T2条件下，施加有机肥使骏枣产量分别平均增加15.30%和13.14%，水分利用效率平均增加8.35%和5.78%。T2F5较T1F5产量、水分利用效率分别提高了10.10%、6.95%。【结论】通过回归分析得出有机肥替代化肥比例为：井水灌溉下50.00~55.64%，增温水灌溉下41.01~49.83%，此施肥模式适合吐哈盆地骏枣的种植，有利于增加产量提高水分利用效率。 |
| 关键词: 滴灌水温;有机肥;骏枣产量;水分利用效率 |
| DOI： |
| 分类号:S275.6 |
| 基金项目:国家“十四五”重点研发计划课题“西北绿洲农业精量微灌水肥协同调控技术集成与应用（2022YFD1900405）”；兵团重大科技项目（2021AA003）；兵团重点领域创新团队项目（2019CB004） |
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| Effects of Water Temperature and Substitution Ratio of Organic Fertilizer on Yield and Water Use of Jun Jujube under Drip Irrigation |
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mayongkang1, wangzhenhua1, lihaiqiang2, linhaixia2, liyanqiang2, tanmingdong3
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1.College of Water Conservancy ＆Architectural Engineering, Shihezi University;2.College of Water Conservancy ＆Architectural Engineering, Shihezi University, Shihezi;3.CCllege of Water Conservancy ＆Architectural Engineering, Shihezi University
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| Abstract: |
| 【Objective】To provide theoretical support for rational fertilization and efficient use of water resources in Jun jujube in Tuha Basin, the effect of organic fertilizer substitution ratio on the yield and water use efficiency of Jun jujube under different drip irrigation water temperatures were studied.【Method】In this study, field experiments examining the following treatments: CK, application of chemical fertilizer only; and F1~F9, substitution of 10%, 30%, 50%, 70% and 90%, respectively, of the chemical fertilizer rate of CK with organic fertilizer. All the six fertilization levels combined with two different irrigation water temperatures, conventional well water T1 (13±1℃) and warmed water T2 (21±1℃), were implemented, with a total of 12 treatments. And soil water content, water consumption law, yield and water use efficiency of Jun jujube were evaluated.【Result】Under the same fertilization level, T2 showed the lower soil water content at the 0~100 cm soil depth than T1, but higher total water consumption. Compared with T1, the yield and water use efficiency of Jun jujube of T2 increased by 7.15% and 5.10%, respectively. Under the same irrigation water temperature, soil water content and water consumption of each growth stage were increased with the increasing substitution of chemical fertilizer, while the yield and water use efficiency of Jun jujube increased first and then decreased, and F5 recorded the highest ones. In addition, the yield and water use efficiency of T2F5 increased 10.10 and 6.95, respectively, compared with T1F5.【Conclusion】Multivariate regression analysis suggested that under conventional well water irrigation 50.00~55.64% substitution of chemical fertilizer with organic fertilizer for would be conducive to improve the yield and water use efficiency of Jun jujube, while 41.01~49.83% for warmed water irrigation, This fertilization model was suitable for the cultivation of Jun jujube in Tuha Basin, which was conducive to increasing yield and improving water use efficiency. |
| Key words: drip irrigation water temperature; organic fertilizer; yield of Jun jujube; water use efficiency; |
