Turning Waste into Biochar, Exploring Sustainable Agriculture - News

Summary ：Recently, a factory in Hamburg, Germany released a new discovery, using bio-charcoal processed from cocoa bean shells to deal with global warming, that is, heating cocoa bean shells to 600 degrees Celsius in an oxygen-free room to make "bio-char", which can fix air greenhouse gases such as carbon dioxide, and provide fertilizer to farmers or produce "green" concrete.

Recently, a factory in Hamburg, Germany released a new discovery, using bio-charcoal processed from cocoa bean shells to deal with global warming, that is, heating cocoa bean shells to 600 degrees Celsius in an oxygen-free room to make "bio-char", which can fix air greenhouse gases such as carbon dioxide, and provide fertilizer to farmers or produce "green" concrete.

With technological progress, biochar has become an important resource. It not only has good energy recovery, pollution control, clean combustion, resource conservation, pollution reduction, environmental protection, but also has good stability and corrosion resistance. Therefore, it has received widespread attention from academic and practical communities around the world.

Exploration and Practice of Biochar

Biochar is not ordinary charcoal, it is a kind of charcoal with extremely rich carbon content. It is the carbonization of wood, grass, corn stalks or other crop waste through pyrolysis in a low-oxygen environment. Academic communities around the world have begun to explore the use of biochar to solve problems, including protecting the environment, restoring land, purifying water pollution, capturing harmful heavy metal ions, and improving agricultural harvesting efficiency.

The biochar industry is still in its infancy, and many of these explorations still lack systematicity and universality, and more exploration and practice are still needed. With the advancement of technology, the combination of biochar and fertilizer has become an important way of agricultural production today. Its advantages are obvious, and compared to just applying one fertilizer, this method has a more significant and reliable effect.

Current status of nitrogen fertilizer utilization

Nitrogen contributes to the success of plant maturation, reproduction, and harvest. It is not only a basic nutrient for plants, but also a major factor affecting soil acidification, water and groundwater pollution, and greenhouse climate change. However, due to improper use by farmers, the nitrogen balance in nature is imbalanced, resulting in a nitrogen fertilizer utilization rate of less than 40% for plants, which has serious negative impacts on soil, water sources, air, and soil. If we want agricultural products to grow better, we must avoid using a large amount of fertilizers. This approach neither brings more benefits nor can it easily cause damage to our ecosystem.

Benefits of Combining Biochar and Nitrogen Fertilizers

Using biochar as a fertilizer can significantly improve the nutrient status of the soil, thereby increasing its nitrogen utilization efficiency. The principle of this fertilizer is: firstly, it has good adsorption and larger pore size, making it easier to capture and decompose nitrogen elements in the soil; Secondly, it also has inducing and regulating effects, enabling it to help fully release and decompose inorganic and organic nitrogen in the soil.

Impact on soil physicochemical properties

After a large number of experiments, it has been confirmed that the application of biochar can significantly change the physical and chemical characteristics of soil, including reducing its volume, adjusting its pH value and organic matter ratio, activating its internal cations, and significantly enhancing its moisturizing, absorption, and ventilation capabilities. According to the latest research, the physical and chemical properties of soil play a significant role in the reaction rate of soil fertility and soil vitality using biochar. Therefore, the use of biochar, as well as the quantity and method used, should be determined based on the physical and chemical properties of the soil, as well as the physical and chemical reaction rate of the soil.

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