文献类型： 外文期刊
作者： Hui, Xiaoli 1 ; Luo, Laichao 3 ; Chen, Yinglong 4 ; Palta, Jairo A. 4 ; Wang, Zhaohui 1 ;
作者机构： 1.Northwest A&F Univ, Coll Nat Resources & Environm, Minist Agr, Key Lab Plant Nutr & Agrienvironm Northwest China, Yangling 712100, Shaanxi, Peoples R China
2.Soil & Fertilizer Inst, Anhui Acad Agr Sci, Key Lab Nutrient Cycling & Arable Land Conservat, Natl Agr Expt Stn Soil Qual, Hefei 230001, Anhui, Peoples R China
3.Anhui Agr Univ, Coll Resources & Environm, Anhui Prov Key Lab Farmland Ecol Conservat & Nutr, Hefei 230036, Anhui, Peoples R China
4.Univ Western Australia, UWA Inst Agr, Sch Agr & Environm, Perth, WA 6001, Australia
5.Northwest A&F Univ, State Key Lab Crop Stress Resistance & High Effic, Yangling 712100, Shaanxi, Peoples R China
期刊名称：NATURE COMMUNICATIONS （ 影响因子：15.7； 五年影响因子：17.2 ）
ISSN：
年卷期： 2025 年 16 卷 1 期
页码：
收录情况： SCI
摘要： Zinc (Zn) deficiency affects 17% of the world's population, particularly those consuming large cereal grains with low Zn concentration and poor bioavailability. Here, we synthesize data from four field trials along with 139 studies from the literature, to evaluate the impact of management practices and soil properties on improving grain Zn concentration in wheat through applying Zn fertilizers. Soil application of Zn fertilizer improves grain Zn concentration by only 29.1%, below the biofortification target of 40 mg kg-1 required for human nutrition. Foliar Zn application and soil+foliar applications increase grain Zn concentration by 55.2% and 62.3%, respectively, surpassing the 40 mg kg-1 threshold. Factors such as the rate of Zn application, initial grain Zn concentration (prior to Zn application), and timing of Zn spraying are identified as principal factors influencing the response of grain Zn concentration to Zn fertilization. In search of desirable grain Zn concentration in wheat while minimizing potential environmental risks, our study proposes a method for assessing rates of Zn fertilizer application based on the Zn biofortification target, the Zn agronomic biofortification index, and the contribution of principal factors influencing the improvement in grain Zn concentration.
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