Simulation of the factors influencing N2O emission in summer corn farmland Application of chlorophyll meter on N nutritional diagnosis for summer corn Influences of different managements of winter wheat residues on seedling growth and grain yield of summer corn Effects of soil water stress on the regular degree of plant properties of summer corn ON THE COMMUNITY STRUCTURE OF MAJOR INSECT PESTS AND NATURAL ENEMIES IN SIMMER CORN FIELD INLAID IN COTTON AREA Root Distribution and Competitive Ability of Summer Corn Denghai 3719 Effects of Ridge and Furrow Planting for Rainfall Harvesting on Photosynthetic Characteristics and Yield in Corn in Semi-Arid Regions THE EFFECT OF LIMITED WATER SUPPLY ON THE YIELD AND WATER USE EFFICIENCY OF SUMMER CORN Effect of sowing date and rate on canopy intercepted photo-synthetically active radiation and yield of winter wheat The Characteristics of Canopy Photosynthesis of Summer Corn (Zea mays) and its Relation with Canopy Structure and Ecological Conditions Field validation of DNDC model for nitrous oxide emission from typical fluvo-aquic soils Studies on the Relationship between Canopy Apparent Photosynthesis Rate and Grain Yield in High Yielding Summer Corn(Zea may L.) Effects of Shading in Field on Photosynthetic Characteristics in Summer Corn Diagnosis of N nutrient status of corn using digital image processing technique Numerical simulation on maize growth in a regular windbreak system in Huanghuaihai Plain Rational N regulation in wheat/corn high-yield farm ecosystem—Taking winter wheat-summer corn system in Hengtai county of Shandong Province as an example Effect of different NaCl concentrations on plant growth and nitrogen uptake of summer corn USE AND MANAGEMENT OF SOIL WATER AND NITROGEN RESOURCES Ⅲ The optimal management of soil water and nitrogen resources USE AND MANAGEMENT OF SOIL WATER AND NITROGEN RESOURCES Ⅱ-The simulation of use, loss and annual use efficiency of soil water and nitrogen resources USE AND MANAGEMENT OF SOIL WATER AND NITROGEN RESOURCESⅠ. Soil Water and Nitrogen Conditions and Root Development