Fertilization Technology Index System for Rice in Hengdong County of Hunan Province

Through‘3414’field fertilizer experiment data of these years，abundance and deficiency indices system of soil nutrient and fertilization technology model were established.Rice fertilization parameters of different soil fertility levels were grasped.Index system of rice fertilization technique was structured.At the same time，fertilization scheme was put forward.And the research results were applied in rice production.Practice proved that remarkable results were obtained.