Absorption, accumulation and distribution of manganese in winter wheat cultivated under super-high-yielding conditions Characteristics of Nutrient Uptake and Accumulation in Wheat and Rice with Continuous Cropping under Super-High-Yielding Cultivation Utilization of American Glabrous Rice and Breeding of Super-high-yielding Varieties Effects of phosphorus and nitrogen fertilization on yield and quality of wheat Dry Matter Production and Photosynthesis Characteristics of Three Hybrids of Maize (Zea mays L.) with Super-High-Yielding Potential Yield Components and Population Characteristics of Super-High-Yielding Late Japonica Hybrid Rice in Double-Cropping Rice Area Population characteristics of super-high-yielding wheat under rice stubble in Huanghuai area Characteristics of Nutrient Absorption in Super-High-Yielding Mid-Season and Late-Maturity Japonica Rice