Long-Term Fertilizer Reduction in Greenhouse Tomato-Cucumber Rotation System to Assess N Utilization, Leaching, and Cost Efficiency
文献类型： 外文期刊
作者： Geng, Yucong 1 ; Bashir, Muhammad Amjad 1 ; Zhao, Ying 3 ; Luo, Jianhang 3 ; Liu, Xiaotong 3 ; Li, Feng 4 ; Wang, Hongyuan 1 ; Raza, Qurat-Ul-Ain 5 ; Rehim, Abdur 2 ; Zhang, Xuejun 3 ; Liu, Hongbin 1 ;
作者机构： 1.Chinese Acad Agr Sci CAAS, Inst Agr Resources & Reg Planning, Key Lab Nonpoint Source Pollut Control, Minist Agr, Beijing 100081, Peoples R China
2.Bahauddin Zakariya Univ, Coll Agr, Bahadur Subcampus Layyah, Multan 60800, Pakistan
3.NingXia Acad Agr & Forestry Sci, Inst Agr Resources & Environm, 590 Huanghe Donglu Rd, Yinchuan 750002, Ningxia, Peoples R China
4.NingXia Acad Agr & Forestry Sci, Inst Agr Econ & Informat Technol, 590 Huanghe Donglu Rd, Yinchuan 750002, Ningxia, Peoples R China
5.Bahauddin Zakariya Univ, Dept Soil Sci, FAS & T, Multan 60800, Pakistan
关键词： vegetable yield; nitrogen use efficiency; nutrient leaching; leaching-to-input ratio; nitrogen fertilizer economic benefit
期刊名称：SUSTAINABILITY （ 影响因子：3.889； 五年影响因子：4.089 ）
ISSN：
年卷期： 2022 年 14 卷 8 期
页码：
收录情况： SCI
摘要： Technology-oriented approaches to reduce chemical fertilization in agroecosystems without influencing the vegetable yield is a proficient method for sustainable agriculture and environmental safety. However, short-term studies are not capable to indicate the effects of various inputs in a long run; therefore, a six-year experiment was conducted in Ningxia, China. The experimental units were: no fertilizer control (CK: 0 kg N ha(-1)), chicken manure (M: organic N 362 kg ha(-1)), reduced chemical fertilizer (RCF: chemical N 992 kg ha(-1) + organic N 362 kg ha(-1)), and conventional fertilizer (CF: chemical N 1515 kg ha(-1) + organic N 362 kg ha(-1)). The study aimed to assess the effects of reduced fertilization on yield, nitrogen (N) use efficiency (NUE), N leaching, and the economic benefits. The results achieved herein indicate that RCF has significantly improved the NUE, reduced N leaching (23.7%), and improved the N economic benefit (NEB, 41.8%) as compared to the CF. Based on yield, net benefit, and NUE conditions, the optimum N application range was 634-821 kg N ha(-1) for tomato and 556-778 kg N ha(-1) for cucumber. The study concluded that reduced chemical application of N is an important factor to control environmental pollution and improve fertilizer use efficiency. Further experiments are suggested to examine the optimum N rate provision from chemical fertilizer and its ratio with organic fertilization.
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