| 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
100 - 200
P
.25 - .75
Mn
40 - 250
K
3.0 - 5.0
Zn
20 - 50
Ca
2.0 - 3.0
Cu
5 - 20
Mg
.40 - .60
B
25 - 100
S
.40 - 1.2