为探討紫土小春合理輪作方式,1962年在宣威榕城公社禎群三队,結合大面积生产,进行了紫土小春輪作对比田块的定点覌察,研究其对土壤肥力的影响。小春对比地前作玉米,10月4日收获。小春为本地麻豌豆和本地紫麦,均于10月10日播种。底肥亩施有机肥35揹,鈣鎂磷肥125斤。12月上旬薅除一次,豌豆5月11日, In order to investigate the reasonable rotation mode of the soil spring of Komodo, in 1962, three groups of Chen group of Rongcheng commune in Xuanwei were combined with large-scale production to carry out the fixed-point observation of contrasting plots of purple soil with spring to study its influence on soil fertility. Early spring compared to corn, October 4 harvest. Koharu is local green pea and local purple wheat, all sown on October 10. Mushi at the end of organic fertilizer 35 back, 125 kg of calcium magnesium phosphate. Removed once in early December, peas May 11,