Journal
AGRONOMY FOR SUSTAINABLE DEVELOPMENT
Volume 36, Issue 2, Pages -Publisher
SPRINGER FRANCE
DOI: 10.1007/s13593-016-0372-z
Keywords
Biochar; Soil; Fertility; Nutrient; Mechanism
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Funding
- National Natural Science Foundation of China [41271332, 51478470, 51521006]
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Soil mineral depletion is a major issue due mainly to soil erosion and nutrient leaching. The addition of biochar is a solution because biochar has been shown to improve soil fertility, to promote plant growth, to increase crop yield, and to reduce contaminations. We review here biochar potential to improve soil fertility. The main properties of biochar are the following: high surface area with many functional groups, high nutrient content, and slow-release fertilizer. We discuss the influence of feedstock, pyrolysis temperature, pH, application rates, and soil types. We review the mechanisms ruling the adsorption of nutrients by biochar.
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