Preliminary Report on Rice “3414” Fertilizer Effect Experiment in Sanya

The field experiment in the effect of different of N,P,K on nutrition of rice grown in soil was carried out in Longlou of Haitangwang with the best multivariate regression design of three factors of four levels.The results show that the experiment indicated that nitrogenous fertilizer was the most remarkable than the phosphorus and potassium fertilizer in the three factors of impacting the rice growth.With the field test date,we established the fertilizer effect function of local paddy rice,analyzed and got this conclusion: the best economic output was 550.83 kg/667 m2;the best fertilization of nitrogen,phosphorus and potassium was N 6.9 kg/667 m2,P2O5 1.19 kg/667 m2,K2O 0 kg/667 m2.