Plant preference for NH₄⁺ versus NO₃⁻ at different growth stages in an alpine agroecosystem

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• 作者：Jihan Cui^a ; ^b ; Chenqun Yu^a ; Na Qiao^a ; Xingliang Xu^a ; ^{xuxingl@hotmail.com} ; Yuqiang Tian^c ; Hua Ouyang^a ; ^{ohua@igsnrr.ac.cn}
• 关键词：Ammonium ; Nitrate ; Growth stage ; Plant functional group
• 刊名：Field Crops Research
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：201
• 期：Complete
• 页码：192-199
• 全文大小：1214 K
• 卷排序：201

文摘

Legumes preferred NO3− throughout their growth period. Grasses preferred NH4+ at the early stages but switched the preference for NO3− later. The crop N uptake preference changes during the different growing stages.