FeEDTA solution:
Made in two solutions:
Solution A - 2.8 g FeCl₃ in 100 ml 0.1 N HCl
Solution B - 3.9 g EDTANa₂ in 100 ml 0.1 N NaOH
Add 10 ml solution A and 9.5 ml solution B plus water to 1 L.

Gaffron micronutrients:
H₃BO₃ 3.1 g
MnSO₄ 4H₂O 2.23 g
ZnSO₄ 7H₂O 0.22 g
(NH₄)₆Mo₇O₂₄ 4H₂O 0.088 g
Co(NO₃)₂ 6H₂O 0.146 g
VOSO₄ 6H₂O 0.054 g
Al₂(SO₄)₃K₂SO₄ 2H₂O 0.474 g
NiSO₄(NH₄)₂SO₄ 6H₂O 0.198 g
Cd(NO₃)₂ 4H₂O 0.154 g
Cr(NO₃)₃ 7H₂O 0.037 g
Na₂WO₄ 2H₂O 0.033 g
KBr 0.119 g
KI 0.083 g
Deionized water to 1 L

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