plant population的例句大全

The cultivation method of macro-ridge and two-row might improve population structure of maize, reduce inter-plant competition, promote individual growth and development, increase leaf axil, LAI, LAD and dry matter weight to different degree.

大垄双行栽培方式可以改善玉米的群体结构，减少株间竞争，促进个体生长发育，玉米植株的叶面积、LAI、LAD及干重均有不同程度增长；

It was discovered that the population structure of the arbors is very similar to that of the yang trees, which indicates that the architecture of plant community is steady.

分析发现：天然次生林乔木种群结构与幼树结构非常一致，说明这一群落结构是稳定的；

Simulation experiments on the compensation of cotton population to the decrease of plant number caused by black cutworm

小地老虎为害棉苗缺株产量损失及棉株群体补偿力模拟试验

Under normal condition, the valid plant rate in ordinary planting population was 50%, when the population came to 25~ 50 plants in non isolation growing, the minimum seed amount ( 30~ 50g) needed for conservation could be met.

在正常条件下，一般种植群体的有效株率占50%，群体达到25～50株时，才能满足贮藏所需的最低种子量（30～50g）

It is required to maintain good single-plant morphology to form a rational population structure.

必须保持单株形态以创造合理群体结构.

The estimates of road-sense heritability for tuber number per plant, yield per plant, specific gravity, crude protein content ( DW) and crude protein content ( FW) suggested that additional cycle of selection on this population is feasible.

对单株薯数、单株产量、比重和粗蛋白质含量（干和鲜）的广义遗传力的估算表明这个群体有继续被轮回选择的价值；

a high single plant yield is very important to population's yield in high-density condition.

在 高密度 条件下高的单株产量乃是高产的重要前提.

The plant diversity of the grassland would be changed after exclosure due to population growth and decline, disappearance of some species and immigrant of new species.

由于围封后种群的消长、某些种群的消失及新种的进入导致草地在围封后的植物多样性也发生变化。

The results showed that the population chlorophyll content, cane yield and economic effectiveness in the plant density 52500 setts/ ha were higher than those in all other densities.

结果表明，种植密度3500段双芽种/亩各个时期的群体叶绿素总量、蔗茎产量和经济效益都高于其它种植密度。

Studies on population adaptation and differentiation of Aphis gossypii glover among host plant transplantation

棉蚜种群寄主转换的适应和变异规律研究

During growing season, chemical fertilizer increased plant nematode population.

整个生长季，化肥使植物线虫种群数量增加；

The Investigation of the Adiposity and Its Related Risk Factors in the Occupational Population of a Petrochemical Plant

某石化工业人群肥胖及相关危险因素的调查分析

Under the high density ( 71,250 plant/ hm2), Pn in different population increased from the upside part to the underlayer.

在高密度（7.125万株/hm~2）条件下，不同株型玉米的光合速率在不同群体水平表现为群体上部>群体中部>群体下部。

He says the cargo plane also brought relief supplies for the civil population. These include medical supplies to treat 250 trauma patients and a mobile water-treatment plant to provide drinking water for 10000 people.

他说，货运飞机还带来了向平民百姓提供的救济物品，其中包括能医治250个外伤病人的医药品、一个处理水的流动工厂，用来向1万人提供饮用水。

The application of the concept and method of population to plant taxonomy

居群（population）概念和方法在植物分类学中的应用

With development of industry, growth of population and decreasing of arable land, selecting and breading plant material for salt resistance and rationally using saline-alkali land are very significant.

随着工业迅速发展、人口猛增和可耕地面积的减少，培育抗盐植物材料，开发利用盐碱地显得日益重要。

Citrus leafminer lives only on the tender part of citrus trees so that the detection of edible host plant is crucial to its survival and population development.

柑桔潜叶蛾成虫对寄主和产卵部位的选择是其生存和种群发展的生物学基础。

Ta could colonize on the soil of watermelon plant with the stable population density of 2.8 × 10 7cfu/ g · soil.

西瓜根围取样分析表明，Ta能够在根围定殖，并能稳定地达到2.8×107cfu／g土壤的菌落种群。

Population regulation and dynamical simulation of annual plant Eragrostis poaeoides in desert region

荒漠一年生植物小画眉草的种群动态调节与模拟

the results showed that the quantity, population, and distribution of the endophytic fungi varied in different part of the plant camellia sinensis.

结果表明，茶树的不同部位内生真菌的数量、分布和种群存有差异。