4Eliana Paola Rosales,María Florencia Iannone,María Daniela Groppa,María Patricia Benavides.Nitric oxide inhibits nitrate reductase activity in wheat leaves[J]Plant Physiology and Biochemistry,2010(2).
5Gemma Cama?es,Miguel Cerezo,Eduardo Primo-Millo,Alain Gojon,Pilar García-Agustín.Ammonium transport and CitAMT1 expression are regulated by N in Citrus plants[J]Planta,2009(2).
6Wei-Hong Wang,Barbara K?hler,Feng-Qiu Cao,Lai-Hua Liu.Molecular and physiological aspects of urea transport in higher plants[J]Plant Science,2008(4).