| 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 - 4.0
Fe
50 - 200
P
.40 - .60
Mn
25 - 200
K
4.5 - 7.5
Zn
20 - 200
Ca
2.0 - 6.0
Cu
5 - 25
Mg
.30 - .70
B
60 - 100
S
.50-1.0