Self-produced substrate nutrition soil made from sawdust can be transformed into high-quality nutrient soil through a simple and effective fermentation process. Here's how to do it step by step:
**Preparation**: Start with 2 cubic meters of sawdust, 1 bag of microbial fermentation agent, 2 kg of urea (or 50-100 kg of poultry manure), and 5 kg of rice bran. These ingredients work together to provide the necessary nutrients and microorganisms for efficient decomposition.
**Moisture Adjustment**: Before starting, check the moisture level of the sawdust. The ideal moisture content should be between 60-65%. A quick way to test this is by squeezing a handful of sawdust — if it holds together without dripping water, it’s just right. Too much or too little moisture can slow down the fermentation process. Once the moisture is correct, mix 2 kg of urea with some water to create a urea solution for later use.
**Mixing the Microbial Agent**: To make it easier to spread the microbial agent evenly, mix the entire bag of jinbao biofermenting agent with about 5 kg of rice bran. This helps distribute the microbes more uniformly when added to the sawdust pile. The mixture will weigh around 6 kg, making it easy to handle and spread.
**Piling the Material**: Spread the mixed microbial and rice bran mixture evenly over the sawdust. Then, pour the urea solution over the pile. Make sure to mix everything thoroughly. After that, form the mixture into a pile and cover it with a breathable material, such as a tarp or straw, to maintain the right environment for fermentation.
**Turning the Pile**: After 7-10 days, the temperature inside the pile should rise to around 60°C. At this point, turn the pile once to ensure even decomposition. Let it sit for another 24-36 hours until the temperature rises again. When it reaches 60°C once more, turn it a second time. After the second turning, let it rest for 5-7 days. Once the temperature stabilizes below 40°C, the fermentation is complete.
**Completion Time**: Under normal conditions, the entire process takes about 25-30 days. If you prefer to "cook" the soil further, you can extend the process up to 30-45 days for better results. For more detailed instructions or assistance, feel free to visit our website or contact us directly.
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