Quality of Indica Hybrid Rice under the High-yield Cultivation Conditions in Different Ecological Regions of Sichuan Province, China Effects of Different Cultivation Patterns on Cotton Field Resources Use Efficiency in Yangtze River Valley The Impacts of New Cultivation Patterns of Incorporating Poplar with Wheat on Wheat Yield and Quality STUDIES ON DIRECTIVE SILVICULTURE OF POPLAR VENEER GLUED WOOD IN THE SOUTHERN REGION OF CHINA Effects of different cultivation patterns and nitrogen fertilizer on accumulation, distribution and use efficiency of nitrogen in winter wheat/summer maize rotation system on semi-dryland farming Effects of “San-Ding” Cultivation Method on Yield Formation and Physiological Characteristics of Double Cropping Super Rice