Table 2.  Forage quality of DAK 34-17RR Roundup Ready alfalfa at five
 
seeding rates at Fargo, ND in 2007.
 
Quality component†
Seeding rate
CP
ADF
NDF
ADL
HEMI
CELL
IUDMD
RFV
- - - lb/a - - -
- - - - - - - - - - - % of dry weight - - - - - - - - - - -
  
Cut 1
5
20.9
31.8
41.9
7.2
10.2
24.6
68.8
142.4
7.5
20.4
31.3
41.3
7.1
10.0
24.2
68.1
145.7
10
20.9
31.3
40.9
7.0
9.6
24.3
67.3
146.9
15
21.2
31.1
41.3
6.9
10.2
24.2
69.7
146.1
20
20.0
31.4
41.5
7.1
10.2
24.3
68.3
144.9
  LSD (0.05)
NS
NS
NS
NS
NS
NS
NS
NS
   
   
Cut 2
5
20.9
32.0
41.2
7.7
9.2
24.4
65.3
144.4
7.5
21.1
31.2
40.4
7.6
9.2
23.7
65.8
148.6
10
21.0
32.5
41.8
7.7
9.4
24.8
65.9
141.5
15
20.7
32.2
42.2
7.6
10.0
24.7
65.5
140.8
20
21.0
31.4
41.5
7.2
10.0
24.2
67.0
144.8
  LSD 0.05
NS
NS
NS
0.3
NS
NS
NS
NS
   
   
Cut 3
5
21.2
27.8
37.4
6.6
9.6
21.1
70.7
167.9
7.5
21.3
27.7
38.0
6.4
10.3
21.2
71.4
164.7
10
21.5
26.2
35.6
6.4
9.4
19.8
72.1
179.1
15
20.7
27.5
38.0
6.4
10.5
21.1
70.9
165.3
20
21.4
26.1
36.4
6.2
10.3
19.9
71.5
179.6
  LSD 0.05
NS
NS
NS
NS
NS
NS
NS
NS
   
   
Cut 4
5
22.8
22.4
35.1
5.4
12.6
17.1
75.9
191.3
7.5
22.5
22.4
33.8
5.5
11.5
16.9
74.4
197.1
10
22.8
21.8
32.8
5.3
11.1
16.5
75.7
204.1
15
22.7
22.6
35.9
5.4
13.2
17.2
74.9
185.3
20
23.4
21.8
34.2
5.3
12.4
16.5
75.0
198.8
  LSD 0.05
NS
NS
NS
NS
NS
NS
NS
NS
   
†
 CP=crude protein; ADF=acid-detergent fiber; NDF=neutral-detergent fiber; ADL=acid-detergent lignin; HEMI=hemicelluloses (NDF-ADF); CELL=cellulose (ADF-ADL); IVDMD=in vitro dry matter digestibility; RFV=relative feed valve