
brief introduction—— How to produce organic fertilizer A typical full set of powder fertilizer production line, with only 5000 m2 space available, suggest adoption of tun...
How to produce organic fertilizer
A typical full set of powder fertilizer production line, with only 5000 m2 space available, suggest adoption of tunnel (groove)composting tunner, which save ground space.(There will be cost for building conceret tunnel , while open ground tunner does not require tunnel building, but needs more land)