Abstract:

In order to introduce the application of R language in agricultural experiment, R language was used to analyze the results of part and entire applying project in “3414” fertilizer experiments. Fertilizer recommended rates were simulated by the models of two-factor, three-factor for each “3414” fertilizer experiment. The results showed that the optimum fertilizer rate of maize gotten from Three-factor model was N 275.26 kg/hm2, P2O5 86.62 kg/hm2, K2O 45.32 kg/hm2, the optimum yield was 10764.13 kg/hm2, the output-input ratio was 9.73. It was consistent with the result of “3414 field experiment design and data analysis manager system” from National Agricultural Technique Center. However, considering the operability in field, fertilization recommendation was N 262.28-287.09 kg/hm2，P2O5 82.82-90.85 kg/hm2, K2O 43.87-47.29 kg/hm2, the expectation yields was 10274.40-10333.87 kg/hm2. R language should be popularized surely in nationa, become the powerful tool in agricultural experiment statistic analysis realm.