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Patterns and Tactics for Agro-economic Development in ECOTONE--A Case Study from Panxi Region in Sichuan Province Features of Rural Garden Economy and Tactics for Its Development Investigation of Orchidaceae plants and protective tactics in Tianyuhe River-Valley in Qinling Mountains Current situation and constructive tactics for innovation system of Chinese materia medica indu STUDIES ON THE CHEMICAL CONTROL TACTICS AND MIXED ECONOMIC THRESHOLD OF RICE PLANTHOPPER AND SHEATH BLIGHT IN PADDY RICE FIELD The Technical Tactics and Measures of the Project for Transforming the Low-Yielding Plantation of Oil-Tea Camellia Development trend of traditional Chinese medicine resources APPLICATION OF GROWTH MODEL FORECASTING METHOD TO EPIDEMIC FORECASTING OF THE POPLAR BACTERIAL CANKER Advances in studies on detoxif ication and its mechanism for animals living in environment polluted by heavy metals On the damage and control tactics of Asian corn borer Ostrinia furnacalis (Guenee) in sweet corn field CURRENT SITUATION AND DEVELOPMENTAL COUNTERMEASURAS OF POPLAR TREE HYBRIDIZATION BREEDING IN CHINA