渗育紫泥田水稻测土配方施肥研究

Rice Formula Fertilization with Soil Test in Percogenic Purple Mud Field

通过对达州市广泛分布的渗育紫泥田进行水稻测土配方3414试验研究，试验结果表明：水稻产量和水稻施肥量的关系是高度正相关，氮与产量相关性最好，磷、钾次之。根据试验，提出渗育紫泥田水稻高产测土配方施肥建议方案：每亩施用有机肥1300—1500kg，尿素20—25kg，过磷酸钙33—38kg，氯化钾7—9kg。

The 3414 test of rice formula fertilization with soil test in percogenic purple mud field has been studied in Dazhou City, the results indicated that, rice yield had a high positive correlation with fertilization amount, the correlation between nitrogen and yield was the best, phosphorus and potassium took second place. The proposal scheme of rice high - yield formula fertilization with soil test in porcogenic purple mud field were put forward as following： the application of organic fertilizer 1300 - 1500 kg, urea 20 -25 kg, calcium suporphosphate 33 - 38kg and potassium chloride 7 - 9kg per mu can gain high yield.