Principal component analysis indicated that community stability was in the order: chestnut-tea intercrop >pear-tea intercrop>3 row close planting > single row planting tea garden.

 
  • 主成分分析揭示了群落稳定性的大小:栗-茶间作>梨-茶间作>3行密植>单行条植茶园。
今日热词
目录 附录 查词历史