Effects of applying different kind fertilizers on enzyme activities related to carbon, nitrogen, and phosphorus cycles in reddish paddy soil. Response Characteristics of Physiological Defense Indexes of Host Plant at Early Stage of Arbuscular Mycorrhiza Development between Amorpha fruticosa and AM Fungi Research Advance of the Construction of Gene Engineering Strains for Glucosamine Review on Research Progresses in the Fermentation Methods to Produce Glucosamine Relieving Effects of Oligoglucosamine on the Inhibition Induced by Deoxynivalenol in Wheat Embryo Cells