|
|
Deficient
|
Marginal
|
Satisfactory
|
Excess
|
| Mineral
% of DM of fresh grass prior to silage making |
| N% |
<2.0 |
|
|
>4.0 |
| P% |
<0.20 |
0.20-0.25 |
0.25-0.45 |
>0.45 |
| K% |
<1.80 |
1.00-2.20 |
2.20-3.00 |
>3.00 |
| Mg% |
<0.10 |
0.10-0.20 |
0.20-0.30 |
>0.30 |
| S% |
<0.15 |
0.15-0.20 |
0.20-0.30 |
>0.30 |
| Na% |
<0.15 |
0.15-0.20 |
0.20-0.40 |
>0.40 |
| Critical
Ratios |
| N: K |
>1.7 |
1.3-1.7 |
0.9-1.3 |
<0.9 |
| K:Mg |
>25 |
20-25 |
10-20 |
<10 |
| N: S |
>15 |
13-15 |
9-13 |
<9 |
| K: Na |
>25 |
20-25 |
10-20 |
<10 |
|