22 MANURE COMPOSTING
HOW DO YOU CHOOSE YOUR MANURE PROCESSING EQUIPMENT 1. Growing demand for organic fertilizer The global organic fertilizer market is growing at a high rate in terms of volume, and the market continues to grow due to factors such as the expansion of organic farming, growing interest in environmental issues worldwide and the growing demand for organic products in Europe and North America. One of the most common material of organic fertilizer is composted animal manure. 2. What is “composted manure”? Manure of animals such as chicken or cow can be a source of high-quality organic fertilizer if it’s composted properly. Composting is a biological process
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of biodegradable waste being decomposed by microorganisms under aerobic conditions, and the main keys for good composting process are correct humidity, temperature, and oxygen supply. There is a common misconception that all manure processing in open facility has strong bad smell regardless the procedure, however in most cases it’s because the process is going anaerobic. 3. Importance of mature compost If livestock waste is not processed properly, it can cause environmental problems such as groundwater contamination, emission of bad odor and a huge outbreak of flies. In addition, immature compost may contain
pathogens that damage plants, and spread harmful bacteria such as salmonella and E. coli. Therefore, it is important that compost be completely mature before it’s applied to soil as fertilizer. In fact, properly composted manure in aerobic process does not smell badly, but it should have some smoky odor. It is important to know that it’s possible to avoid anaerobic compost and bad odor by treating the manure properly. 4. Kohshin’s composting system Kohshin Engineering provides poultry equipment worldwide including fully automatic composting machine which turns different type of biodegradable
OCTOBER-DECEMBER 2021
