| Rx for Soils and Crops | Date Last Edited: 07/20/2001 |
Suggested Sufficiency Nutrient Levels in Tissues
nutrient
range
nutrient
range, ppm
N
2.5 - 4.0
Fe
50 - 200
P
.40 - .60
Mn
25 - 150
K
4.0 - 7.5
Zn
25 - 150
Ca
1.5 - 2.3
Cu
7 - 25
Mg
.36 - .50
B
23 - 50
S
.25-.50