文献类型: 外文期刊
作者: Li, Zhaohui 1 ; Zhang, Yingpeng 3 ; Li, Yan 3 ;
作者机构: 1.China Univ Geosci, Fac Earth Sci, Wuhan 430074, Hubei, Peoples R China
2.Univ Wisconsin Parkside, Dept Geosci, Kenosha, WI USA
3.Shandong Acad Agr Sci, Inst Soil & Fertilizer, Jinan, Peoples R China
4.Shandong Prov Key Lab Agr Nonpoint Source Pollut, Jinan, Peoples R China
关键词: fertilizer;oxalate;spinach;yield;zeolite
期刊名称:JOURNAL OF PLANT NUTRITION ( 影响因子:1.707; 五年影响因子:1.645 )
ISSN: 0190-4167
年卷期: 2013 年 36 卷 10 期
页码:
收录情况: SCI
摘要: There has been a great need to reduce the non-point source pollution due to pesticide and fertilizer applications. With a high surface area and large cation exchange capacity, zeolite was proposed to use as carriers to control ammonium and potassium release. A greenhouse test was conducted to evaluate spinach growth and spinach quality after application of zeolite pre-load with ammonium (NH4 (+)) and potassium (Eco-zeolite). An increase in spinach yield with comparable vitamin C content was achieved using the Eco-zeolite. However, elevated oxalate content was unexpected, possible due to the presence of NH4 (+) as the exchangeable cations after modification.
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