Table 1 The addition of different concentrations of KH₂PO₄ and KCl to DMM, for alternating the phosphate levels and maintaining the potassium levels, respectively.

33 mM

4.5

-

22 mM

3.0

-

14.7 mM

2.0

0.6

9.6 mM

1.3

1.0

5.5 mM

0.75

1.3

2.6 mM

0.35

1.5