Table 4.

Profit (USD ha⁻¹) of the grain production systems for the 2014–2015 to 2019–2020 crop years, considering quarterly price peaks in Londrina, state of Paraná, Brazil. .

1st cycle						2nd cycle						Cumulative
2014–2015		2015–2016		2016–2017		2017–2018		2018–2019		2019–2020
W	S	W	S	W	S	W	S	W	S	W	S
System I (AS-I)
C	S	C	S	C	S	C	S	C	S	C	S
− 68	220	212	331	− 368	354	336	635	− 48	414	588	1077	3683
System II (AS-II)
WO	S	RY	C	W	S	WO	S	TR	C	W	S
− 133	393	− 377	600	− 95	456	− 28	675	− 122	410	113	1175	3068
System III (AS-III)
BO + RY	S	BO + R	C	BR	S	BO + RY	S	BO + R	C	BR	S
− 191	357	− 156	654	− 166	474	− 113	666	− 157	405	− 124	1167	2816
System IV (AS-IV)
CL	C	CM	C	SF	S	CL	C	CM	C	CL	S
125	452	− 278	599	− 174	421	− 244	436	− 216	390	− 21	1242	2732
System V (AS-V)
BW/R	C	B	S	BW/WO	S	BW + R	C	B	S	BW/WO	S
− 291	345	137	320	− 375	413	− 81	620	225	453	− 71	1087	2781
System VI (AS-VI)
W	C + BR	CL	C	B	S	W	C	CL	C + BR	B	S
− 199	360	− 145	635	56	474	− 36	402	− 60	271	463	1259	3479

W winter, S summer, WO white oat, BO black oat, BR brachiaria, CL canola, CM crambe, RY rye, SF safflower, B bean, C corn, R forage radish, S soybean, W wheat, BW buckwheat, TR triticale.