Table 3. Dry matter yield for alfalfa under different treatments in 2015, 2016 and 2017

Treatment	2015	2016	2017	Total
Harvest interval (Mg ha−1)
28-day	5.83a (4-cut)	12.93a (5-cut)	10.24b (5-cut)	29.00
35-day	4.99b (3-cut)	11.35b (4-cut)	12.58a (4-cut)	28.92
SE	0.15	0.33	0.27	0.53
Seeding rate
17 kg ha−1	5.36	12.28	11.21	28.85
20 kg ha−1	5.40	12.15	11.72	29.26
23 kg ha−1	5.48	12.28	11.29	28.77
SE	0.16	0.32	0.23	0.48
Variety
Hi-Gest 360	5.28b	12.23	11.32	28.83
Gunner	5.31ab	12.21	11.65	29.18
RR Tonnica	5.65a	11.98	11.25	28.88
SE	0.14	0.27	0.23	0.46

Different letters are significant at p < 0.05.