optimum ecological factor 最适生态条件
natural ecological factor 自然生态因子
Limiting Ecological Factor 限制生态因子
ecological factor of soil 土壤生态条件
ecological system factor 生态系统因素
Soil water is an important ecological factor for the growth and development,as well as physiological metabolism of tobacco plants. Also,it plays key role in the establishment of output and quality of tobacco leaves.
水分是烟草生长发育和生理代谢的重要生态因子,也是有效调控烟叶产量和品质的主要手段之一,优质烟叶生产必须适时、适量地满足烟株的水分需求。
参考来源 - 土壤水分与烟草生长发育和生理代谢的相关研究进展The NMDS ordination of herbs-Abies fargesii communities manifests that the distribution of them has a close relation with altitude and site moisture of the communities, in which altitude is the main ecological factor influencing the distribution of stand types.
对草类—巴山冷杉林的NMDS排序结果分析表明，草类—巴山冷杉林的分布与群落海拔高度及群落生境湿度有很大关系，其中，海拔高度是影响群落类型分布的主要生态因子。
参考来源 - 秦岭巴山冷杉林群落学特征、类型划分及生产力研究Light is the most important environmental factor that affect growth and development of plants. Photosynthetic adaptability is the important ecological factor that limits distribution and survival of plants during gardending and planting.
光是影响植物生长发育最重要的环境因子，在园林绿化和引种栽培中，植物对光照的适应是限制植物分布与引种成活的重要生态因素。
参考来源 - 多脉青冈和金叶含笑幼苗的光合生理特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Temperature is the major ecological factor affecting maize seed development and filling.
从籽粒灌浆动态分析，温度是影响玉米籽粒形成与灌浆的重要环境条件。
The research in the sift of kinds fit to batch culture and the main ecological factor have been completed.
完成了适宜批量培养的种类的筛选及主要生态学因子的研究工作。
The suitable ranges of each ecological factor for growth are the same as for the spores release, while the optimum ranges of them show obvious distinction.
浒苔藻体生长及孢子释放的各单因子适应范围基本相同，最适范围区别明显。
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