Synthesis and crystal structure of tris (1 10 phenanthroline)-iron (II) tetra (4-Nintro-phenyl-urea) bis chloride Fe(phen)3 Cl2_L4 chelates and evaluation of their efficacy as iron source for tomato in nutrient solution culture

Synthesis and crystal structure of tris (1 10 phenanthroline)-iron (II) tetra (4-Nintro-phenyl-urea) bis chloride Fe(phen)3 Cl2_L4 chelates and evaluation of their efficacy as iron source for tomato in nutrient solution culture
-