| Rx for Soils and Crops | Date Last Edited: 07/20/2001 |
Suggested Sufficiency Nutrient Levels in Tissues
nutrient
range, %
nutrient
range, ppm
N
3.5 - 4.5
Fe
50 - 300
P
0.4 - 1.0
Mn
50 - 400
K
2.8 - 4.5
Zn
25 - 300
Ca
1.8 - 4.0
Cu
8 - 20
Mg
0.4 - 1.2
B
30 - 100
S
.30 - 1.0