Abstract
Biochar of agricultural and forestry waste is one of the core ways to solve the greenhouse effect, and it is also the key measure to improve the land productivity of China’s low yield fields and realize the sustainable development of agriculture. Due to the large area of China’s albic soil, the long-term drought and flood disasters make it a typical low-yield field, which has not been effectively treated. Biochar provides new hope for improving low-yield albic soil. This paper introduces the basic properties of biochar, the albic soil formation mechanism, the low yield of albic soil factors and the improving theoretical basis of biochar. The paper introduces the technical features of the albic soil improvement and the advantages of the albic soil improvement by biochar. In the view of ascending low production potential, solving the greenhouse effect, achieving agricultural sustainable development, the application value and development prospects of albic soil improved by biochar are discussed.
Highlights
Biochar is recognized as an emerging technology to ensure human food, environment and energy security under high pressure in the new century
This paper introduces the basic properties of biochar, the albic soil formation mechanism, the low yield of albic soil factors and the improving theoretical basis of biochar
The paper introduces the technical features of the albic soil improvement and the advantages of the albic soil improvement by biochar
Summary
Biochar is recognized as an emerging technology to ensure human food, environment and energy security under high pressure in the new century. The development of biochar industry in China is based on the utilization of agricultural and forestry wastes, focusing on solving non-point source pollution in rural areas, improving the quality of cultivated land, promoting carbon sequestration and emission reduction, and realizing sustainable agricultural development. Around the deep field of agriculture, domestic and foreign researchers have preliminarily confirmed that biochar can effectively improve soil structure, physical chemistry properties and biological properties, increase crop yield, control envi-
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