Effect of Nitrogen Application and Planting Pattern on N and P Absorption and Use in Maize-Peanut Intercropping System Sequence Comparison of Part cDNAs Coding for Glycerol-3- Phosphate Acyltransfera from Rice Strains with Different Chilling-Resistance Study on the Predicted mRNA Secondary Structures of Plant Glycerol-3-Phosphate Acyltransferases A Research on the Relationship between GPAT and Plant Chill-Resistance Cloning and Sequencing of a Part -Length cDNA Coding for Glycerol - 3 - Phosphate Acyltransferase from Rice Cloning and Analysis of BnMPK4, A Novel MAP Kinase Gene Induced by Oligochitosan in Brassica napus