Bohong Zheng

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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(More)
As the foundation of urban development, construction land is also the basic material security of regional urbanization. Besides, accurate forecast of the land demand for urban construction is also important for the planning compilation of construction land. Thus, a non-equidistance optimum model GM(1,1) was proposed using the minimum average relative error(More)
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