Influence of Planting Methods on Root System Morphological and Physiological Characteristics of Super Rice under High-yielding Cultivation Condition Characteristics of Nutrient Uptake and Accumulation in Wheat and Rice with Continuous Cropping under Super-High-Yielding Cultivation Characteristics of Photosynthesis and Matter Production of Rice with Different Planting Methods under High-Yielding Cultivation Condition High-yielding cultivation practices of winter wheat in large acreage Population characteristics of super-high-yielding wheat under rice stubble in Huanghuai area