Microecological Mechanism for Healthy Growth and Higher Yield of Amorphophallus konjac under Acacia Forest CHARACTERISTICS OF SOIL MICROBES IN SOUTH SUBTROPICAL LATERITIC RED EARTH UNDER ARTIFICIAL FORESTS Modeling canopy rainfall interception of a replanted Robinia pseudoacacia forest in the Loess Plateau Comparison of Soil Desiccations in Natural and Acacia Forests in the Ziwuling Mountain of the Loess Plateau The bio-cycle patterns of nutrient elements and stand biomass in forest communities in Hilly Loess Regions Study on thinning to Robinia pseudoacacia forest on the Loess Plateau