Use of the stable isotope 57Fe to track the efficacy of the foliar application of lignosulfonate/Fe3+ complexes to correct Fe deficiencies in cucumber plants

1. Rodríguez-Lucena, P.
2. Benedicto, A.
3. Lucena, J.J.
4. Rodríguez-Castrillón, J.A.
5. Moldovan, M.
6. García Alonso, J.I.
7. Hernández-Apaolaza, L.