中文摘要：

[客观]纸是在云南省探索米饭的磷(P)效率的原因，并且为生态、环境的保护提供策略[方法]用从在云南的五个区域的 16 府的第二等的核心集合的 703 就职省， P (可得到的 P 40mg/kg )对正常 P (可得到的 P 70mg/kg )被设置的低可得到的 P ( 6.26mg/kg )对正常的二个处理，和磷效率和 acti 的带的特征

英文摘要：

[Objective] The paper was to explore the causes of phosphorus（P）efficiency of rice in Yunnan Province,and to provide strategy for ecological and environmental protection.[Method]Using 703 accessions of secondary core collections from 16 prefectures of five regions in Yunnan Province,two treatments of low available P（6.26mg/kg）versus normal P（available P 40mg/kg）,and invalid P（available P 0.02 mg/kg）versus normal P（available P 70 mg/kg）were set,and zonal characteristics of phosphorus efficiency and the activation characteristics of invalid P of rice landraces were investigated.[Result] Phosphorus efficiency and the activation characteristics of invalid P in soils from rice landraces of Yunnan Province had the similar identification indexes,viz.the relative indexes of four traits（tillering ability or effective panicle,root weight,biomass,and straw weight）could be the screening indexes of gene type of secondary core collection with phosphorus efficiency,which also reflected the zonal characteristics of phosphorus efficiency and the activation characteristics of invalid P in soils of 16 prefectures among five regions.On the contrary,the relative panicle length,node length under panicle,leaf length,leaf width and plant height could only be the assistant indexes of identification for phosphorus efficiency.There were similar zonal characteristics between phosphorus efficiency and the activation characteristics of invalid P in soils of rice landraces in Yunnan Province.[Conclusion] The study had great importance to the conservation and utilization of biological diversity,which would make contribution to second green revolution of ＂less input,multiple output,promote health,and protect the environment＂.