The soil is rich in organic matter and is a prerequisite for high yields of crops. There are several ways to increase the organic matter content in the soil. First, grain and fertilizer rotation The rational rotation of food crops and green manure crops will be implemented to ensure land use and increase the organic matter content of the soil. Second, increase the application of organic fertilizer The application of organic fertilizer is a method to rapidly increase the soil organic matter. The commonly used organic fertilizer is rich in organic components, and after being applied to the soil, it is decomposed by microorganisms to release a large amount of organic matter. Third, adjust the decomposition rate of organic matter Soil water content, aeration, acidity and alkalinity all affect the decomposition rate of organic matter. Therefore, proper control of soil water, gas and pH can mediate the decomposition rate of organic matter. Fourth, reduce the pollution of pesticides and heavy metals Reduce the concentration of heavy metal ions in the soil and fix organic pollutants such as pesticides. It can be combined with organic pollutants to make it useless, and it acts as a reducing agent to change its structure and make it useless. Â
An angle grinder, also known as a side grinder or disc grinder, is a handheld power Tool used for grinding (abrasive cutting) and polishing. Although developed originally as tools for rigid abrasive discs, the availability of an interchangeable power source has encouraged their use with a wide variety of cutters and attachments.
Angle grinders can be powered by an electric motor or compressed air. The motor drives a geared head at a right-angle on which is mounted an abrasive disc or a thinner cut-off disc, either of which can be replaced when worn. Angle grinders typically have an adjustable guard and a side-handle for two-handed operation. Certain angle grinders, depending on their speed range, can be used as sanders, employing a sanding disc with a backing pad or disc. The backing system is typically made of hard plastic, phenolic resin, or medium-hard rubber depending on the amount of flexibility desired.
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Increase soil organic matter
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