Population Structure and Population Characteristics 人口结构与人口素质
Make Decisions About Population Characteristics 确定总体
ramet population characteristics 分株种群特征
population characteristics evaluation 人群特征评价
Population Characteristics of Rice 水稻群体特性
population characteristics of organization 组织人口特征
population characteristics of poor family 贫困家庭的人口状况
Through the multi-dimensional measures such as crop diversification, it could regulate the population characteristics of rhizosphere microorganism directionally and recoery a normal rhizosphere ecosystems, will eventually overcome the problems of continuous cropping obstacle.
通过作物多样性栽培等多维度措施,定向调控根际微生物的种群特征,恢复并重建健康的根际生态系统,将最终克服连作障碍的难题。
参考来源 - 作物多样性栽培对烟草连作障碍的生态调控机制The elucidation of the characteristics of population and nutrient absorption plays an important role in realization of SHY. This study investigated the population characteristics, nutrient absorption and key cultivation techniques.
而阐明水稻超高产群体特征和养分吸收特征,对实现水稻超高产有重要作用。
参考来源 - 超高产栽培中粳稻群体与养分吸收特征Ⅱ, Lower water level and poor nurtion in water, have growth population characteristics and random distribution pattern at large scales . Ⅲ, Well nourished in water, have obvious characteristics of the stability populations.
根据环境因子的特征,可将8个样地中油桦种群划分为三类:Ⅰ、水位较低,水体酸性较强;此处油桦种群具有一定的增长种群特征;Ⅱ、水位较高,水体营养情况较差;油桦具有明显的增长种群特征,且在大尺度上基本均为随机分布格局;Ⅲ、其环境特征为水体营养状况极好,油桦具有较明显的稳定种群特征。
参考来源 - 金川沼泽湿地油桦种群分布格局机理初步探讨·2,447,543篇论文数据，部分数据来源于NoteExpress
There are some correlations between the population characteristics.
种群特征之间也存在一定的相关世。
The results showed that: (1) the population characteristics varied with the increasing of cutting intensities.
通过两年的刈割干扰，结果表明：(1)羊草种群特征随刈割强度增大发生不同程度的变化。
Variation in population characteristics across a geographical area; may be related to environmental gradients or may have no functional significance.
族群特性在穿越一个地理区不同的地理环境之间之变异性。
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