Treatments | Conv. Tillage | Direct Sowing | DMC/B. ruz | DMC/B. ruz + M. coch. | DMC/C. Juncea | F | P (0.05) | |
2010 | Maize straw | 5444 a | 4786 a | 4684 a | 4257 a | 4467 a | 2.023 | 0.150 (ns) |
Cover crops | - | - | 2450 a | 2751 a | 1616 b | 8.577 | 0.010 (s) | |
2012 | Maize straw | 5230 a | 4948 a | 5148 a | 4443 a | 4473 a | 0.329 | 0.854 (ns) |
Cover crops | - | - | 1788 a | 1196 a | 1497 a | 1.369 | 0.308 (ns) | |
2014 | Maize straw | 6510 a | 5729 a | 5313 a | 5104 a | 5260 a | 2.688 | 0.078 (ns) |
Cover crops | - | - | 3917 a | 2733 b | 1433 c | 33.889 | 0.000 (s) | |
2016 | Maize straw | 5136 a | 4157 ab | 3755 b | 3022 b | 3788 b | 3.801 | 0.029 (s) |
Cover crops | - | - | 2481 a | 3521 a | 2009 a | 2.322 | 0.160 (ns) | |
2018 | Maize straw | 4897 a | 4311 a | 4522 a | 4458 a | 4347 a | 0.433 | 0.782 (ns) |
Cover crops | - | - | 2695 ab | 3808 a | 1712 b | 9.112 | 0.009 (s) | |
Average | Maize straw | 5497 a | 4746 ab | 4568 b | 4210 b | 4466 b | 3.425 | 0.040 (s) |
Cover crops | - | - | 2666 a | 2802 a | 1654 b | 14.435 | 0.002 (s) |