Multifunctional soil maturing agent and preparation method thereof
A curing agent and multi-functional technology, applied in the field of multi-functional soil curing agent and its preparation, can solve the problems of shortening the composting time and speeding up the composting process, and achieve the effect of solving odor, broad market prospect and large specific surface area
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Embodiment 1
[0025] Collect pig manure from pig farms, air-dry to make the water content less than 40%, and remove large debris. Then mix the bio-black carbon with pig manure, the weight ratio is 10:3, stir evenly, adjust the carbon-nitrogen ratio to be between 25-35, and the water content to be about 60%.
[0026] For composting, the surface is covered with a thin layer of bio-black carbon, and fermented at 30-50°C for 6 weeks; in the first 20 days of composting, turn the compost every day to maintain sufficient oxygen, and at the same time keep the moisture content at 60%. Turn the pile every three days for 30 days, and then turn the pile once a week. At the same time, it is sun-proof and anti-drain; the odor is significantly reduced after 4 days of composting.
[0027] The comparison of each physical and chemical index of the organic fertilizer prepared in embodiment 1 and the national standard is shown in Table 1:
[0028] Table 1
[0029] indicators
[0030] It can be see...
Embodiment 2
[0031] Embodiment 2 Comparison of composting time and temperature
[0032] The mixture obtained in Example 1 was composted, and a control group was set up by a traditional method.
[0033] Check the temperature of the compost heap daily (see figure 1 ), the temperature of the treatment group rose significantly faster than that of the control group. On the third day, the temperature of the treatment group reached the highest temperature of 55°C, while that of the control group reached the highest temperature of 35°C after 10 days. During the decomposing period, the temperature will basically remain unchanged in about 40 days, which is not much different from the room temperature, while the control group will take more than a week to basically reach the decomposing period.
Embodiment
[0034] Comparison of the Greenhouse Gases Produced by the Composting Process in Example 3
[0035] The mixture obtained in Example 1 was composted to measure the greenhouse gases produced, and a control group was set up by the traditional method.
[0036] The measurement frequency is: once a day for 10 days before composting, and once every 5 days thereafter;
[0037] The measurement item is: N 2 O, CH 4 , CO 2 .
[0038] see results figure 2 : N generated by the processing group 2 O is less than the control group, and the generated CH 4 is also significantly smaller than that of the control group, and the CO produced 2 higher than that of the control group. It shows that the microorganisms in the treatment group perform aerobic respiration, and at the same time, because the activity of microorganisms is greatly improved, they can accelerate the decomposition of organic substances, so they can produce more CO 2 , which is why the treatment group shortens the composti...
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