Grasses

Average values and critical levels for some grasses

Grass
%
N
%
S
%
P
%
K
%
Mg
%
Ca
%
Na
ppm
Fe
ppm
Al
ppm
Mn
ppm
B
ppm
Cu
ppm
Zn
ppm
Mo
Bahia
2.50
0.40
0.40
1.45
0.32
0.52
0.01
100
60
125
9
11
31
0.8
Critical values
0.12
0.55
0.15
    
30
    
3
5
  
Brome
1.50
0.14
0.25
2.00
0.20
0.39
0.01
50
30
45
11
5
22
  
Bermuda
2.60
0.35*
0.27
1.65
0.22
0.39
0.03
55
88
55
7
6
23
0.7
Critical values
0.85
0.20
0.14
0.85
0.08
0.17
  
22
  
20
2
2
14
Fescue
1.60
0.23
0.34
2.40
0.28
0.48
0.01
85
80
70
10
8
24
  
Pangola
2.10
0.25
0.50
2.00
0.14
0.55
0.15
75
60
110
10
10
35
0.7
St. Augustine
1.95
0.35
0.40
2.20
0.24
0.50
0.20
55
35
45
8
13
33
0.8
Sudan
2.30
0.18
0.35
2.80
0.35
0.56
0.02
115
80
85
12
10
29
0.7
Various
2.00
0.28
0.35
2.20
0.23
0.45
0.03
115
95
75
9
9
27
0.6
Source of information:  Product Manual and Nutrient Deficiency Guide.  Stoller Chemical Company, Inc.  8705 Katy Freeway, Suite 400, Houston, TX 77024  (713) 461-2910
*Note that in NMSU publication A-123, the sulfur sufficiency level is considered to be 0.15 - 0.20 percent.