Table 5. Crude protein, acid detergent fiber, neutral detergent fiber, relative feed value for alfalfa under different treatments in 2016 and 2017

Treatment	2016				2017
Treatment	CP	ADF	NDF	RFV	CP	ADF	NDF	RFV
Harvest interval (g kg⁻¹)
28-day	175^a	364^b	453^b	127^a	206^a	330^b	411^b	145^a
35-day	169^b	393^a	498^a	111^b	190^b	361^a	450^a	128^b
SE	2.4	4.3	3.8	1.4	1.8	3.4	4.3	1.7
Seeding rate
17 kg ha⁻¹	171	382	479	117	200	345	429	137
20 kg ha⁻¹	173	379	473	119	197	346	431	136
23 kg ha⁻¹	172	375	474	120	198	346	432	136
SE	2.6	4.6	4.4	1.6	2.1	3.7	4.1	1.7
Variety
Hi-Gest 360	174	372^b	471^b	121^a	200	338^b	419^b	141^a
Gunner	169	387^a	483^a	115^b	196	348^ab	434^a	134^b
RR Tonnica	173	376^ab	472^b	120^ab	199	351^a	438^a	133^b
SE	2.6	4.2	4.4	1.5	2.1	3.7	4.1	2.1

Different letters are significant at p < 0.05.
CP, crude protein; ADF, acid detergent fiber; NDF, neutral detergent fiber; RFV, relative feed value.