Straw + manure processing organic fertilizer formula: in the composting process of fertilizer production process, livestock manure 80%, straw 20%, comminuted and mixed. The mixing ratio of straw and feces can be determined according to the moisture content of feces. Generally, 65% water content is required for fermentation, that is, when the hand is squeezed into a ball, the water can be seen between the fingers, but no water is dropped. Once the hand is released, it will disperse.
Then, corn flour or brown sugar and bacteria were added to increase the sugar content for the fermentation of bacteria, so that the multi-dimensional complex enzyme bacteria quickly took the advantage. Add the prepared mixture into the mixer for mixing. The mixing must be even and transparent without leaving raw blocks..jpg)
The stirred ingredients are stacked into strips with a width of 1.5m-2m, a height of 0.8m-1.2m, and a length of no less than 5m. During the fermentation process, proper oxygen supply and stacking should be paid attention to (when the temperature rises to 75 ℃ or above, it should be turned over several times by compost windrow turner). The temperature rise should be controlled at about 65 ℃. If the temperature is too high, the fermentation products will be affected.
The moisture content of fermentation materials should be controlled at 60-65%. Too much water leads to poor ventilation, slow temperature rise and odor.
At the initial stage of fermentation, the temperature was between 60 ℃ and 80 ℃ to eliminate the odor of chicken manure and other bacteria; in the middle stage of composting, the materials became loose and dry, and white hyphae grew; at the mature stage, the materials gave off the flavor of distiller’s yeast, and the compost was fermented and matured.
After a little air drying, it can be crushed by a pulverizer, granulated by an organic fertilizer granulator, dried and dehydrated by a dryer, and then screened by a screening machine. The finished organic fertilizer is ready for packaging and storage.