This organic fertilizer compost turner, which includes groove type compost turner and groove type hydraulic compost turner, is the most widely-used aerobic fermentation machine and compost turning equipment. It includes walking fermentation groove, walking track, power-pick device and other parts. The working portion of the compost turner machine adopts advanced roller drive. There are adjustable type and non-adjustable type for choice. The groove type compost windrow turner is widely used for dealing with animal manure, household garbage, sludge, crop stalks and other organic wastes, and also can be used in feed fermentation.