ANALYSIS OF THE INTERACTION AMONG WEED, INORGANIC FERTILIZER AND HERBIVORE IN PADDY ECOSYSTEM IN FALLOW SEASON
作者： Meihong Xiang , Zhaohua Wu , Tiejun Zhou
DOI: 10.1142/S1793524517501200
关键词:
摘要: Paddy growth is influenced by the amount of inorganic fertilizer in paddy ecosystem fallow season. To discover interaction among weed, and herbivore system, we put forward a differential equation model investigate its properties. Results show that system has weed extinct equilibrium equilibrium. The two equilibria are proven to be unstable using center manifold method. Under certain conditions, also positive point. We give stable region point, which determined some parameters. find Hopf bifurcation phenomenon, critical value taking parameter as parameter. By comparing states between with one without herbivore, content can improved putting into field. An example given illustrate feasibility results. Numerical simulation shows phenomena exist system.
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