Abstract：
:Increasing grain zinc (Zn) concentration of cereals for minimizing Zn malnutrition in two billion people represents an important global humanitarian challenge. Grain Zn in field-grown wheat at the global scale ranges from 20.4 to 30.5 mg kg-1, showing a solid gap to the biofortification target for human health (40 mg kg-1). Through a group of field experiments, we found that the low grain Zn was not closely linked to historical replacements of varieties during the Green Revolution, but greatly aggravated by phosphorus (P) overuse or insufficient nitrogen (N) application. We also conducted a total of 320-pair plots field experiments and found an average increase of 10.5 mg kg-1 by foliar Zn application. We conclude that an integrated strategy, including not only Zn-responsive genotypes, but of a similar importance, Zn application and field N and P management, are required to harvest more grain Zn and meanwhile ensure better yield in wheat-dominant areas.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Chen XP,Zhang YQ,Tong YP,Xue YF,Liu DY,Zhang W,Deng Y,Meng QF,Yue SC,Yan P,Cui ZL,Shi XJ,Guo SW,Sun YX,Ye YL,Wang ZH,Jia LL,Ma WQ,He MR,Zhang XY,Kou CL,Li YT,Tan DS,Cakmak I,Zhang FS,Zou CQdoi
10.1038/s41598-017-07484-2subject
Has Abstractpub_date
2017-08-01 00:00:00pages
7016issue
1issn
2045-2322pii
10.1038/s41598-017-07484-2journal_volume
7pub_type
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