Table 6.
Concentration of ADF (%, DM basis) in stockpiled “Tifton 85” bermudagrass receiving different rates of N fertilization, and in “Tifton 85” bermudagrass hay in years 1 and 2
| Year | Sampling date | Treatment1 | Mean | |||
|---|---|---|---|---|---|---|
| 56N | 112N | 168N | HAY | |||
| 1 | Oct 24 | 27.9b | 27.4b | 26.9b | 36.6a | 30.1e |
| Nov 28 | 31.2b | 28.6b | 29.2b | 34.7a | 30.5e | |
| Dec 13 | 34.1a | 32.7a,b | 31.3b | 34.3a | 33.1d | |
| Jan 4 | 36.1 | 34.7 | 34.3 | 34.0 | 34.8c | |
| Jan 16 | 34.7 | 36.5 | 34.5 | 34.6 | 34.7c | |
| Mean | 32.8g | 31.9g,h | 31.2h | 34.8f | ||
| 2 | Nov 11 | 30.8k | 29.8k | 29.7k | 38.0j | 32.1n |
| Nov 25 | 28.1k | 26.7k | 27.7k | 33.0j | 28.9o | |
| Dec 10 | 30.0k | 28.5k | 29.6k | 34.2j | 30.6n,o | |
| Jan 7 | 31.7k | 32.1j,k | 32.1j,k | 34.1j | 32.5n | |
| Jan 21 | 31.1j,k | 33.7j | 29.0l | 33.1j,k | 31.7n | |
| Mean | 30.3r | 30.2r | 29.6r | 34.5q | ||
a,bWithin a row, means without a common superscript differ (P < 0.05; SEM = 0.93; n = 2).
c–eWithin a column, means without a common superscript differ (P < 0.05; SEM = 0.93; n = 8).
f–iWithin a row, means without a common superscript differ (P < 0.05; SEM = 1.31; n = 10).
j–mWithin a row, means without a common superscript differ (P < 0.05; SEM = 0.75; n = 2).
n–pWithin a column, means without a common superscript differ (P < 0.05; SEM = 0.75; n = 8).
q–sWithin a row, means without a common superscript differ (P < 0.05; SEM = 1.06; n = 10).
156N = 56 kg N/ha; 112N = 112 kg N/ha; 168N = 168 kg N/ha; HAY = “Tifton 85” hay cut in August prior to stockpiling.