Azotochelin and N-dihydroxy-N,N'-diisopropylhexanediamide as Fe sources to cucumber plants in hydroponic cultures

1. Martins, J.G.
2. Martin, C.
3. Hernandez-Apaolaza, L.
4. Barros, M.T.
5. Soares, H.M.V.M.
6. Lucena, J.J.