Table 3.
Mean pre-grazed forage mass (kg forage DM/ha) of stockpiled “Tifton 85” bermudagrass receiving different N fertilization treatments in years 1 and 2
| Year | Sampling date | Treatment1 | Mean | ||
|---|---|---|---|---|---|
| 56N | 112N | 168N | |||
| 1 | Oct 24 | 5,145 | 6,020 | 5,550 | 5,571a |
| Nov 28 | 5,435 | 4,700 | 5,690 | 5,275a | |
| Dec 13 | 5,900 | 5,670 | 6,720 | 6,096a,b | |
| Jan 4 | 5,800 | 7,310 | 6,370 | 6,493a,b | |
| Jan 16 | 6,600 | 7,121 | 7,660 | 7,127b | |
| Mean | 5,776 | 6,164 | 6,398 | ||
| 2 | Nov 11 | 3,030c | 3,899d | 4,380e | 3,785f |
| Nov 25 | 2,880c | 3,082d | 4,528e | 3,636f | |
| Dec 10 | 3,560c | 4,260d | 5,339e | 4,386g | |
| Jan 7 | 5,200c | 4,690d | 6,260e | 5,383g | |
| Jan 21 | 3,560c | 3,810d | 4,251e | 3,843f | |
| Mean | 3,646h | 3,948h | 4,952i | ||
a,bWithin a column, means without a common superscript differ (P < 0.05; SEM = 817; n = 6).
c–eWithin a row, means without a common superscript differ (P < 0.05; SEM = 162; n = 2).
f,gWithin a column, means without a common superscript differ (P < 0.05; SEM = 228; n = 6).
h,iWithin a row, means without a common superscript differ (P < 0.05; SEM = 228; n = 10).
156N = 56 kg N/ha; 112N = 112 kg N/ha; 168N = 168 kg N/ha.