Effects of nitrogen fertilization on characteristics of distributionand utilization of 15N and13C of Gala seedlings Subcellular Localization and Expression Analysis of CsICE Transcription Factor Related to Cold Stress in Tea Plant Subcellular Localization and Expression Analysis of CsICE Transcription Factor Related to Cold Stress in Tea Plant Colonization of Nitrogen Fixing Bacterial Strain Klebsiella sp. DX120E Labeled with Green Fluorescent Protein (GFP) Gene within Sugarcane Plants Effect of Nitrogen Application and Planting Pattern on N and P Absorption and Use in Maize-Peanut Intercropping System