Recipe for B&D (Broughton and Dilworth 1971) nutrient solution for growing legumes in Leonard jars and pots
Stock Solution

number

Element Final Molarity

(μM)

Form Mol.Wt. Gram/liter Molarity of Stock Solution
A Ca 1000 CaCl2·2H20 147.03 294.1 2.0
B P 500 KH2P04 136.09 136.1 1.0
C Fe 10 Fe-Citrate 335.04 6.7 0.02
D Mg 250 MgSO4·7H20 246.5 123.3 0.5
  K 1500 K2SO4 174.06 87.0 0.5
  S 500        
  Mn 1 MnSO4·H20 169.02 0.338 0.002
  B 2 H3BO4 61.84 0.247 0.004
  Zn 0.5 ZnSO4·7H20 287.56 0.288 0.001
  Cu 0.2 CuSO4·5H20 249.69 0.100 0.004
  Co 0.1 CoSO4·7H20 281.12 0.056 0.0002
  Mo 0.1 Na2MoO4·2H20 241.98 0.048 0.0002