Table 6.  Forage quality of five treatments as affected by harvest date at
 
Fargo, ND, in 2007.
 
Quality component†
Treatment‡
CP
ADF
NDF
NDFD
IVDMD
HEMI
RFV
 
 - - - - - - - - - % of dry matter - - - - - - - - -
  
 
Cut 1
26”, LB, 30%, RI
24.3
24.9
33.2
66.8
76.8
8.3
195
26”, LB, 50%
25.8
22.9
31.2
68.7
78.1
8.3
212
MB, 10%, 30%
25.3
22.3
30.4
69.6
77.8
8.1
218
26”, LB, 30%, KF
24.6
22.2
30.1
69.9
79.5
7.9
222
26”, LB, 30%, RI2
24.6
23.8
32.6
67.4
77.8
8.8
202
  LSD (0.05)
NS
NS
NS
NS
NS
NS
NS
   
   
Cut 2
26”, LB, 30%, RI
22.9
26.0
34.2
65.7
76.2
8.2
187
26”, LB, 50%
23.1
25.2
33.6
66.4
76.2
8.3
192
MB, 10%, 30%
22.8
26.4
35.2
65.8
75.3
8.7
180
26”, LB, 30%, KF
22.7
26.4
34.4
65.6
73.0
8.0
185
26”, LB, 30%, RI2
24.1
25.0
34.2
65.8
74.8
9.3
189
  LSD 0.05
NS
NS
NS
NS
NS
NS
NS
   
   
Cut 3
26”, LB, 30%, RI
23.2
25.8
33.3
66.7
76.1
7.5
193
26”, LB, 50%
21.3
27.6
34.7
65.3
72.6
7.1
181
MB, 10%, 30%
23.6
23.6
31.3
68.7
74.6
7.8
210
26”, LB, 30%, KF
22.6
25.4
32.3
67.7
74.8
6.9
200
26”, LB, 30%, RI2
22.9
24.2
32.0
67.9
75.8
7.8
205
  LSD 0.05
NS
NS
NS
NS
NS
NS
NS
   
   
Cut 4
26”, LB, 30%, RI
23.1
22.1
29.4
70.6
77.8
7.3
227
26”, LB, 50%
-
-
-
-
-
MB, 10%, -30%
-
-
-
-
-
26”, LB, 30%, KF
16.6
24.5
34.1
65.9
74.2
9.6
190
26”, LB, 30%, RI2
22.7
19.0
27.4
72.6
79.1
8.4
251
  LSD 0.05
2.6
3.7
4.2
4.2
3.8
NS
31
   
†
 CP=crude protein; ADF=acid-detergent fiber; NDF=neutral-detergent fiber; NDFD=neutral detergent fiber digestibility; IVDMD=in vitro dry matter digestibility; HEMI=hemicellulose (NDF-ADF); RFV=relative feed valve.
‡
 See Table 4 for identification of the treatment abbreviations.