Possible enumeration values:

NameValueDescription
N

0

Nitrogen

P

1

P2O5

K

2

K2O

S

3

Sulfur

Ud

4

User Defined

Ca

5

Calcium

Mg

6

Magnesium

Zn

7

Zinc

Fe

8

Iron

Mn

9

Manganese

Cu

10

Copper

B

11

Boron