文献类型： 外文期刊
作者： Zhang, Xudong 1 ; Wang, Jingjing 3 ; Bai, Xinlu 1 ; An, Shijie 1 ; Zheng, Qiangqing 3 ; Tang, Zhihui 4 ; Zhi, Jinhu 1 ;
作者机构： 1.Tarim Univ, Coll Agr, Alar 843300, Peoples R China
2.Tarim Univ, Res Ctr Oasis Agr Resources & Environm Southern Xi, Alar 843300, Xinjiang, Peoples R China
3.Res Inst Garden, Xinjiang Acad Agr Reclamat Sci, Shihezi 832000, Xinjiang, Peoples R China
4.Res Inst Mech Equipment, Xinjiang Acad Agr Reclamat Sci, Xinjiang 832000, Xinjiang, Peoples R China
关键词： gray jujube; water and fertilizer integration; fruit quality; yield; comprehensive evaluation; yield model; economic model
期刊名称：OPEN LIFE SCIENCES （ 影响因子：2.2； 五年影响因子：1.9 ）
ISSN： 2391-5412
年卷期： 2024 年 19 卷 1 期
页码：
收录情况： SCI
摘要： Irrigation and fertilization are indispensable links in the jujube planting industry in southern Xinjiang, China. Regulating the relationship between fertilization and irrigation can effectively reduce costs and improve economic efficiency. A 2-year water and fertilizer optimization coupling test was conducted to determine the optimal water and nutrient supply scheme. The three-factor randomized block experiment included water (W), nitrogen (N), and phosphorus (P). According to the principal component analysis of each index, each treatment's comprehensive score was obtained. Using yield and economic regression models, the theoretical value and yield value of the optimal economic benefit are inferred. When W, N, and P were applied together, the fruit quality and yield of each treatment significantly differed, and the vitamin C, soluble sugar, and sugar-acid ratio increased significantly with an increase in N fertilizer. However, the titratable acid decreased. An increase in irrigation and nitrogen application significantly increased fruit yield. The comprehensive score was the highest in the N4P3W2 treatment, which improved fruit quality, and the lowest in the N3P3W2 treatment. When the amounts of N, P, and W were 275.56 kg hm(-2), 413. 66 kg hm(-2), and 7278.19 m(3) hm(-2), respectively, the theoretical economic benefit was the best. The N4P3W2 treatment is the optimal treatment.
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