Through the plot experiment, the rule of nutrients uptake of pepper and the dynamics of available nutrients in soil were studied. All these aimed for precise fertilization, optimizing the structure of fertilization and the scientific basis for the management of plant nutrients of the vegetable base in the Dongting Lake District. The results showed that the uptake capacities and nutrient recovery rates of N, P and K nutrients under the combined application of organic fertilizers and chemical fertilizers were higher than that of the local custom treatment and the pure chemical fertilizer treatme...