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