Urbanization is a necessary path for national economic development, but the rapid urbanization process has a huge negative impact on the land resources that human beings depend on for survival, mainly in the form of shrinking soil volume, declining quality and environmental pollution. So with the increasing population and decreasing land area, how to effectively use the limited land to produce food crops to meet people's needs and still maintain the organic matter content of the soil?
There is a good way to use organic fertilizer equipment to produce organic fertilizer. There are many raw materials commonly used in our daily life to
produce organic fertilizer, for example.
1. Livestock manure: chicken manure, duck manure, cow manure, rabbit manure; goose manure, sheep manure, horse manure, pig manure, bird manure, duck manure, etc.
2. Agricultural waste: such as straw, soybean meal, cotton meal, mushroom residue, etc.
3. Industrial waste: wine lees, vinegar lees, cassava dregs, sugar dregs, furfural dregs, etc.
4. Household waste: kitchen waste, household waste paper, etc.
5. Urban sludge: such as river sludge, sewer sludge, etc.
6. The development and utilization of digestate is one of the contents of biogas promotion. According to the relevant personnel of a long time test shows that the use of digestate is conducive to have fertilized fields to improve the soil, prevent and control diseases and pests, improve yields, etc.
The use of
organic fertilizer equipment can make waste materials recycled and reused, which not only can protect the environment, but also can reduce urban waste.
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