在贵州省黄平县水稻主产区，进行了不同施肥方法对优质稻滇屯502产量影响的试验。结果表明，以处理4（农家肥+化肥）的产量最高，其次是处理1（油枯+牛粪），再其次是处理5（化肥）；处理1的品质表现最佳。

Test of different fertilization methods on the yield and quality of Diantun 502 was carried out in the main rice producing areas of Huangping county.The results indicated that the treatment 4 （farmyard manure + fertilizer） has the highest yield, the second is the treatment 1 and treatment 5. In terms of the quality, the treatment 1 is the best.