Exploring the coupling mode of water and fertilizer for improving growth, fruit quality, and yield of the pear in the arid region

文献类型： 外文期刊

第一作者： Li, Tianle

作者： Li, Tianle;Bai, Xinlu;Yu, Sihai;An, Shijie;Zhi, Jinhu;Li, Tianle;Bai, Xinlu;Yu, Sihai;An, Shijie;Zhi, Jinhu;Gao, Zhijian;An, Shijie;Zheng, Qiangqing;Tang, Zhihui

作者机构：

关键词： water-fertilizer coupling; arid region; fruit quality; pear

期刊名称：OPEN LIFE SCIENCES （ 影响因子：1.7； 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： Considering the pear in the arid region as the research object, single-factor testing and water-fertilizer coupling testing were conducted. The response of pear tree growth to water, nitrogen, and phosphorus was explored and provided a theoretical basis for efficient water and fertilizer management. Among them, the single-factor test set water, nitrogen, and phosphorus as the three factors, and five levels were set. Screening out W3, W4, N3, N4, P3, and P4 promoted plant nutrient uptake and fruit quality. Eight treatments were set up in the water and fertilizer coupling test: Treatment 1 (T1, W3N3P3), Treatment 2 (T2, W3N3P4), Treatment 3 (T3, W3N4P3), Treatment 4 (T4, W3N4P4), Treatment 5 (T5, W4N3P3), Treatment 6 (T6, W4N3P4), Treatment 7 (T7, W4N4P3), and Treatment 8 (T8, W4N4P4). The results showed that the leaf area index of the T1, T2, T3, and T4 treatments was significantly higher than that of the other treatments at maturity. The yield, single fruit weight, and primary fruit rate were the highest under T3 treatment. The gray correlation degree analysis of fruit quality showed that the T3 treatment had the highest degree of correlation and ranking of each fruit quality index, indicating that the T3 treatment had the highest fruit quality. The yield model showed that irrigation with 6510.06 m3 hm-2, nitrogen fertilizer with 337.5 kg N hm-2, and phosphate fertilizer with 262.5 kg P hm-2 had the best yield. A detailed investigation of pear tree growth and fruit quality showed that the T3 treatment had the best fruit growth and development performance, and the pear fruit quality was the best.

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