1) soil forming factor
土壤形成因素
2) Soil factors
土壤因素
1.
On the basis of the surrounding areas of Shennongjia in Hubei Province, the flue-cured tobacco quality and ecological conditions including climate and soil factors were analyzed.
以湖北神农架周边区域为基础,分析了该区烤烟质量状况和气候、土壤等生态因素,运用模糊数学隶属函数模型对该区的烟叶质量可用性、气候适生性、土壤肥力进行了综合评价,提出并估算了化学成分可用性指数(CCUI)、气候适生性指数(CFI)和土壤养分综合指数(IFI),对该区不同海拔条件下烤烟化学成分进行了分析,还研究了气候、土壤因素对烤烟化学成分含量的影响。
3) Soil factor
土壤因素
4) soil formation
土壤形成
1.
The paper analyzed the climatic condition, geomorphic basis, vegetation and anthropogenic action,and discussed main soil formation processes,soil types and distribution in Hat Yuan experimented area.
从分析区域气候条件、地貌基础、成土母质、植被和人类活动等成土因素入手，探讨了海原试区土壤形成的基本过程、类型划分和分布规律，论述了主要土壤的性态特征，提出区域土壤培肥改良的关键措施。
2.
The development course of landform and sedimentary parent material are the principal regional elements of soil formation in accumulation plain area.
地貌发育过程和沉积母质是嘉湖全新世堆积平原区的土壤形成的主要区域性因素,不同土属的出现在很大程度上取决于地貌演化和沉积母质的分异。
3.
These results suggested that,in the three river sources,the features of different ecosystems determine the basic patterns of soil formation and sustainable functions of ecosystems.
土壤形成是MA框架下生态系统支持功能的基本内容。
5) Factors of loess formation
黄土形成因素
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条