Growth and Development Characteristics of Winter Rapeseed Northern- Extended from the Cold and Arid Regions in China Effects of Wheat Residue Incorporation and Nitrogen Management Techniques on Formation of the Grain Yield of Rice Meteorological environment of brew grapes in edge-desert and their response to ecological environment Production Performances of Different Oat (Avena sativa) Cultivars in Winter-dry Land of Hunan Effects of Wheat-Residue Application and Site-Specific Nitrogen Management on Growth and Development in Direct-Seeding Rice