Split plot design was used to examine the effects of applying calcium and inoculating acid-tolerant rhizobium on growth, yield and quality of alfalfa planted in acid soil on Jinyun Mountains.

• 摘要 采用裂区设计法研究了重庆缙云山酸性土上施钙与接种耐酸根瘤菌对紫花苜蓿生长和品质的影响。