الوصول الحر: https://www.jstor.org/stable/4627142Test
الإتاحة: https://doi.org/10.1186/s12870-015-0437-1Testhttps://hal.science/hal-01392652Testhttps://hal.science/hal-01392652/documentTesthttps://hal.science/hal-01392652/file/The%20contrasting%20N%20management.pdfTest
الإتاحة: https://doi.org/10.3390/plants5010001Test
الإتاحة: https://doi.org/10.1093/jxb/eru039Testhttps://hal.science/hal-01204073Testhttps://hal.science/hal-01204073/documentTesthttps://hal.science/hal-01204073/file/2014_Avila-Ospina_Journal%20of%20Experimental%20Botany_1.pdfTest
الإتاحة: https://doi.org/10.3390/plants5010001Testhttps://normandie-univ.hal.science/hal-02183519Test
الإتاحة: https://doi.org/10.1093/jxb/eru177Testhttps://hal.inrae.fr/hal-02633666Test
الإتاحة: https://doi.org/10.1016/j.jplph.2017.01.005Testhttp://hdl.handle.net/11336/48962Test