花草(紫云英)是我县新发展的一种綠肥。几年来試驗,在施用磷肥的同时,应用老花草泥拌种的措施,結果无論在新区或老区,一般能增产30%左右。通过試驗証明,采用老花草泥拌种比根瘤細菌肥料拌种效果好、方法簡便,它既达到了根瘤菌肥料的增产作用,又克服了过磷酸鈣不能直接作种肥的矛盾,提高了花草的 Flowers (Aspen) is a newly developed green manure in our county. Tests over the years, the application of phosphate fertilizer at the same time, the application of old flowers and mud seed dressing measures, the results no matter in the new district or the old area, generally can increase about 30%. Through the experiment, it proved that the seed dressing effect of the mixture of old flowers and muds was better than that of the nodule bacteria and fertilizer. The method was simple and convenient. It not only achieved the stimulation effect of rhizobium fertilizer, but also overcome the conflict that the superphosphate could not be directly used as seed fertilizer, of