Chicken manure undergoes high-temperature drying using coal, electricity, and other energy sources. This processed material is known as dried chicken manure. Once dried, it can be used as a fertilizer with certain value. However, the drying process has several disadvantages. In contrast, fermenting chicken manure with professional bacterial starters has become a widely adopted method. Compared to drying, fermentation offers multiple benefits. Let’s take Jinbao starter as an example to explore the advantages of fermented chicken manure.
First, nutrients. During the production of dried chicken manure, high temperatures in the furnace cause significant nutrient loss, reducing the fertilizer’s effectiveness. On the other hand, when using Jinbao starter, the fermentation process occurs under the action of beneficial bacteria. The temperature gradually rises and stabilizes between 60–70°C. This process not only prevents nutrient loss but also enhances the transformation of macronutrients into smaller, more absorbable molecules. It also generates additional substances that promote plant growth, making the fertilizer more efficient and faster-acting.
Second, raw materials. Dried chicken manure is typically made from egg-laying chicken droppings. Fermentation, however, can utilize a wide range of organic waste, including human, livestock, and poultry manure. It allows for more flexibility in mixing, whether combined with or without crop straw. The final product often contains over 85% organic matter. Incorporating straw back into the soil helps maintain its structure, improve fertility, and support sustainable agriculture. It also reduces straw burning, promoting better environmental hygiene.
Third, application. Dried chicken manure mainly removes moisture but does not break down organic matter. If applied directly, the undecomposed organic material can generate heat in suitable conditions, leading to “burning seedlings.†This makes it unsuitable for direct use. Fermented chicken manure, however, is fully decomposed by the effective microbes in Jinbao starter, ensuring no harm to plants. It can be applied widely and safely.
Fourth, energy consumption. Drying requires large amounts of coal and electricity—about 166 kg of coal and 32 kWh per ton. In contrast, fermentation relies on natural microbial activity without external energy input, significantly conserving non-renewable resources.
Fifth, sterilization. Dried chicken manure usually doesn’t achieve full sterilization. High temperatures during drying may not eliminate all harmful pathogens, viruses, pests, and weed seeds. Scientific studies show that these harmful elements need to be killed at 60–70°C for about 10 days. With Jinbao starter, the fermentation process maintains this temperature for over 10 consecutive days, effectively eliminating most harmful organisms and meeting safe disposal standards.
Lastly, environmental impact. During transport and drying, strong odors are released, causing pollution and affecting nearby communities. Drying ovens emit unpleasant smells, disturbing residents even miles away, especially in bad weather. This has led to many disputes and public complaints. As a result, some regions have banned chicken manure drying. Fermentation, however, has no negative environmental impact. Instead, it helps clean and purify the environment through microbial activity.
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