Effect of ecological organic fertilizer on tomato bacterial wilt and soil microbial diversities RP-HPLC Determination of Mangiferin in the Leafs of Folium mangiferae Sampled in Different Months and Regions Effects of Aspirin(Asp) and Sulfamethoxazolum-Trimetho-Primum(Smz-Tmp) on Germination and Vigor of Soybean Seeds Isolation and identification of the pathogen causing tomato bacterial soft rot Cloning and Sequencing of a cDNA Encoding Farnesyl Pyrophosphate Synthase from Gossypium arboreum and Its Expression Pattern in the Developing Seeds of Gossypium hirsutum cv. Bacterial sheath brown rot of wheat and its identification of the causal organism in China Soil microbial diversity under typical vegetation zones along an elevation gradient in Helan Mountains