Effects of winter cover crop straw recycling on soil organic carbon and soil carbon pool management index in paddy fields Characteristics of energy-nutrient flow of multiple cropping rotation systems in paddy field Separation of paclitaxel and cephalomanine from extracts in Taxus media branches and leaves by recycling high-speed counter-current chromatography Effects of different straw recycling and tillage methods on soil respiration and microbial activity. The influence of urbanization on nitrogen flow and recycling utilization in food consumption system of China Effect of Soil Moisture Control during Jointing to Anthesis on the Absorption and Translocation of Nitrogen in Winter Wheat Research on resources chemistry of Chinese medicinal materials and resources recycling utilization ways and goals and tasks Decomposition of above and belowground organ litters of mid-subtropical woody plants Residual effect of phosphorus fertilizer and phosphorus recycling in a farming system Ⅳ.A simple phosphorus recycling model in a farming system and its test Some effects of inorganic fertilizer and recycled crop nutrients on soil nitrogen supply and paddy rice production in the red earth region of China Major ecological and environmental problems and the ecological reconstruction technologies of the coal mining areas in China Evaluation of the development of agro-recycling economy in Hebei Province using integrated index system Nutrient recycling efficiency of a two-chamber septage treatment system Discussion on principles of circular economy Construction of a resource-saving and environmentally friendly type of Guangdong Cloning and Prokaryotic Expression of Ribosome Recycling Factor Gene From Arachis hypogaea L. Learning from the Development of Dutch EoL Concrete Recycling Industry Ecological efficiency analysis of the circular economy system in mining area based on emergy analytic approach Effect of different fertilization system on soil nutrient budget Food waste management in China: status, problems and solutions Utilization of harvested aquatic plants as a mulch THE IMPROVEMENT OF ECOLOGICAL RECYCLE IN SOIL BY OPTIMIZING FERTILIZER COMBINATION IN PADDY ECOSYSTEM N, P and K recyclings in an agroforestrial ecosystem of Huanghuaihai plain: with Paulownia elongata-intercropped wheat and maize as an example Residual effect of phosphorus fertilizer and phosphorus recycling in a farming system Ⅰ Phosphorus uptake by crops, residual effect of phosphorus fertilizer and changes of soil available phosphorus Transferring and cycling of organic and inorganic nitrogen in micro-agroecosystem Biological cycle and accumulation of lanthanum in the forage-mushroom-soil system The new position and far-reaching impact of ecological province construction in our country Recycling rate of N and P through a feeding-composting cycle and their recoveries in agro-ecosystems Research status of recycling medicinal plant waste Three Modes Involved in Forest Carbon Cycle: Mechanism and Selection Measurement and evaluation of interactive relationships in urban complex ecosystem Pollen Tube Growth: a Delicate Equilibrium Between Secretory and Endocytic Pathways