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- varying plant population 不同植物的群体
- All of the plant population in this habitat decreased. 此栖地的所有植物族群减少了。
- Plant population effect on growth factors and yield of plantain in an Andisol from Quindio, Colombia (1993). 表1 哥伦比亚Quindio 火山灰土上种植密度对大蕉生长因素及产量的影响(1993) Table 1.
- The vital threshold is crossed when the plant population shrinks to the point that the recycled rainfall becomes too meager to sustain the population. 当植物的群落萎缩到了极点,以致循环降雨过少,难以维系群落的生存时,维持生命的门槛就被跨越了。
- High plant population increases production cycle length and reduces bunch weight, but these factors are compensated by far, by the higher number of bunches per unit area. 密植加长生产周期并降低蕉串的重量,但这些可以通过获得较高的单位面积蕉串数量而完全得到补偿。
- The main protected objects of Dashahe nature reserve are rare with endangered animal and plant population of Cathaya argyrophylla and Prebytis francoisi. 贵州道真大沙河自然保护区是以银杉、黑叶猴等珍稀濒危动植物物种种群及其自然生境为主要保护对象的野生生物类自然保护区。
- Plant population varies from 1,400 to 1,600 plants per hectare and the plantation is kept in the field for several ratoons using suckers coming from the mother plant. 种植密度保持在1400株/公顷到1600株/公顷,种植园田地上留下母株的根出条所形成的截根苗。
- At Fuyang location, as can be seen from Table3, the combination for highest yield of6,788 kg/ ha was G88-293 variety, fertilizer rate of Fl, and high plant population, which was quite different from at Shaoxing location. 由表3所见,在富阳点,G88-293品种、1施肥量和高植株密度组合获得6788公斤/顷的最高产量,这与绍兴点的情况大不相同。
- A satellite experiment involving combinations of N and K with and without FYM and zinc on yield production of rice and another experiment on interaction of plant population and fertilizer levels on yield of groundnut have also been conducted. 此外在水稻上还进行了氮和钾施或不施厩肥和锌组合因素的辅助试验,另一试验是关于群体密度和施肥水平处理对花生产量的影响。
- The plant was growing at an angle. 植物呈一定角度生长。
- As for the concept of plant population and ecology and stand for the view of macrospecies concept and weaken the function ofspecimen callde "Type" in the treatment of classification. 在植物分类学种的概念上坚持居群和生态学观点,主张大种概念,淡化模式的作用。
- Some differences,however,still existed in water ecophysiology and population dispersal because of the neglect of physiological integration and foraging behav ior of clonal plant population. 这主要是由于忽视了沙棘无性系植物种群的生理整合作用和觅养行为。
- The productivity is decreaseing in a big extent,the quality of plant population decling,the soil desertification area enlarging,the river shrinking,a large tract of oasis vegetation withering away. 土壤裸露化、沙漠化土地面积日趋扩大;河流退缩,绿洲植被濒临大片枯亡;
- Nonexposure of susceptible plant populations to their pathogens is fairly common. 感病的植物群体不暴露在它们的病原之下,这是相当普遍的。
- The photosynthetic characters of rice were different in different plant populations. 不同群体下,水稻的光合特性发生明显变化。
- A nobleman of varying status or rank. 贵族各种爵位或地位的贵族
- There is no doubt they will continue to exist since viruses can grow and mutate so quickly, infecting human, animal, and plant populations with frightening speed. 毫无疑问的是,因为病毒能迅速成长及突变,所以它们会继续存在并以惊人的速度使人类和动植物遭到感染。
- Spatial patterns of main woody plant populations are aggregative, Ulmus macrocarpa, Acer mono, Ulmus pumila populations in some communities are random. 主要木本植物种群的分布格局大多为集群型,只有部分群落中大果榆、色木槭及家榆种群为随机分布。
- Higher plant populations not only give higher yields at very low input costs, but utilize applied fertilizers more efficiently, thereby further increasing the VCR. 高密度种植不仅在投入成本很低的情况下获得高产,而且使施肥肥效更高,因而进一步提高产投比。