| Rx for Soils and Crops | Date Last Edited: 07/20/2001 |
Suggested Sufficiency Nutrient Levels in Tissues
nutrient
range, %
nutrient
range, ppm
N
3.0 - 4.5
Fe
50 - 300
P
.30 - .70
Mn
50 - 300
K
1.5 - 4.0
Zn
20 - 200
Ca
1.5 - 2.5
Cu
5 - 30
Mg
.20 - .80
B
30 - 75
S
.15 - .40