Table 4. Forage production at each cutting for alfalfa under different treatments in 2015, 2016, and 2017

Treatment	2015				2016					2017
Treatment	Cut 1	Cut 2	Cut 3	Cut4	Cut 1	Cut 2	Cut 3	Cut 4	Cut 5	Cut 1	Cut 2	Cut 3	Cut 4	Cut 5
Harvest interval (Mg ha⁻¹)
28-day	0.90	1.86^b	1.69^b	1.13	2.72	3.31^b	2.67^b	2.26^a	1.57	2.51^b	2.25^b	2.28^b	1.56^b	1.64
35-day	0.89	2.10^a	2.00^a	-	3.12	3.74^a	2.98^a	1.91^b	-	3.54^a	3.77^a	2.79^a	2.47^a	-
SE	0.03	0.09	0.07	-	0.20	0.11	0.07	0.06	-	0.15	0.12	0.06	0.09	-
Seeding rate
17 kg ha⁻¹	0.88	1.96	1.83	1.07	3.01	3.55	2.82	2.10	1.60	2.90	3.03	2.48	1.98	1.66
20 kg ha⁻¹	0.89	2.01	1.83	1.21	2.89	3.54	2.80	2.11	1.61	3.18	3.09	2.55	2.05	1.68
23 kg ha⁻¹	0.91	1.99	1.88	1.11	2.86	3.48	2.85	2.05	1.51	2.98	2.92	2.58	2.01	1.59
SE	0.04	0.10	0.08	0.06	0.20	0.11	0.07	0.05	0.05	0.14	0.12	0.06	0.07	0.08
Variety
Hi-Gest 360	0.88	1.88^b	1.74	1.08	2.93	3.61	2.75	2.15	1.59	3.09	2.94	2.48	1.99	1.62
Gunner	0.86	1.95^ab	1.87	1.16	3.01	3.49	2.89	2.06	1.52	3.15	3.07	2.59	2.03	1.63
RR Tonnica	0.93	2.11^a	1.93	1.15	2.83	3.46	2.84	2.05	1.61	2.82	3.03	2.53	2.03	1.68
SE	0.04	0.09	0.08	0.06	0.16	0.11	0.07	0.05	0.04	0.15	0.12	0.06	0.07	0.07

Different letters are significant at p < 0.05.