- 更多网络例句与画眉草相关的网络例句 [注:此内容来源于网络,仅供参考]
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The sixteen plants are firstly divided into six types according to evaluation grades and subject function statistical method:the first type is Cajanus cajan and Crotalaria mucronata,the best adaptability ,which can be used pioneer plant or constructive species; the second type is Cynodon dactylon,the better adaptability, which can be used constructive species ;the third type is Eragrostis curvula, Paspalam notatum,which can be used constructive species on rotten rock slope ; the forth type is kummerowia striata,Lotus corniculatus and Vitex negundo.The adaptability is centered,and can be used protection species and auxiliary species;the fifth type is Robinia pseudoacacia,Eremochloa ophiuroides,Vitex negundo,Lespedeza formosa,Leucaena leucocephala,Desmodium sequax, Rhus chinne- nsis,which can't be plant singly and be used accessory species;the sixth is Trifolium repens,which can be used pioneer plant.
根据评价边坡防护植物适应性的十个重要指标,首次运用隶属函数和聚类分析方法,对各供试植物的边坡适应性综合排序并分为六类:第一类为木豆和猪屎豆,边坡适应性最强,适宜作为先锋植物和建群种;第二类为狗牙根,边坡适应性强,适宜与豆科植物混播,作为建群种;第三类为弯叶画眉草和百喜草,边坡适应性较强,适宜与豆科植物混播,作为风化岩边坡的建群种;第四类为鸡眼草、百脉根和马棘,边坡适应性中等,适宜作为保护种与伴生种;第五类为刺槐、假俭草、荆条、美丽胡枝子、银合欢、波叶山蚂蝗和盐肤木,边坡适应性较差,不宜单独在边坡上种植,最好与速生型豆科草本混播,作为边坡防护植物群落的辅助植物;第六类为白三叶,边坡适应性最差,但因其出苗率高、生长速度快,作为先锋植物,起到前期覆盖坡面的作用。
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Persistence of grazing mixed pasture has been a key issue in environment conservation and sustainable utilizing of resources in karst region. Under moderate grazing with Corriedale sheep, the productivity and botanical composition of Trifolium pratense mixtures were studied over a 20-year period in karst region of southwest China. Four mixtures consisted of Trifolium pr...
用考力代绵羊轮牧,在牧前和牧后草地现存量(干物质,DM,drymatter)分别为1800~2500(草层高15~18cm)和900~1200kg·hm-2(草层高3~5cm)的适度放牧利用条件下,对亚热带最常见的豆科牧草红三叶与禾本科牧草的两两混播草地的群落生产力和持久性开展长期研究。20年的结果表明:适度放牧利用下,群落地上总生物量长期稳定,各组合间差异不显著,总盖度20a后仍高达97%以上;适度放牧有利于牧草的生产力持久性,红三叶、鸭茅、多年生黑麦草和黑穗画眉草都在群落中长期存在;群落净产量和持久性是尺度依赖的,群落长期净生产力以红三叶+鸭茅的最高(DM产量353.3g·m-2·a-1)(P.05),对杂草侵入的抵抗力最强,而前10a红三叶+多年生黑麦草有很高的净生产力DM产量449.8g·m-2·a。。。
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The first part is to selection 16 plants,including kummerowia striata、Lotus corniculatus、Cajanus caja、Indigofera pseudotinctoria etc leguminous plants, and Cynodon dactylon、Vitex negundo etc other family plants. The second part is the experiment of compound combination:namely,A: Eragrostis curvula (60%)+ Lotus corniculatus(20%)+ Trifolium repens(20%)、B:Cynodon dactylon(60%)+ kummerowia striata(20%)+ Lotus corniculatus (20%)、C: Festuca arundinacea(40%)+ Festuca rubra (20%)+ Vitex negundo(15%)+ Lespedeza formosa(10%)+ Indigofera pseudotinctoria(15%)、D: Festuca arundinacea (40%)+ Festuca rubra (20%)+ Indigofera pseudotinctoria (15%)+ Rhus chinnensis (15%)+ Robinia pseudoacacia (10%).
本研究分两部分进行,第一部分为:防护植物筛选试验,包括鸡眼草、百脉根、木豆和马棘等豆科植物与狗牙根、荆条等其它科植物共16种;第二部分为四种人工混播组合:即,A弯叶画眉草(60%+百脉根(20%)+白三叶(20%)、B狗牙根(60%+鸡眼草(20%)+百脉根(20%)、C高羊茅(40%+紫羊茅(20%)+荆条(15%)+美丽胡枝子(10%)+马棘(15%)、D高羊茅(40%+紫羊茅(20%)+马棘(15%)+盐肤木(15%)+刺槐(10%)。
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The use of chemical reagents on the grass to deal effectively break their dormancy, in order to clear the wild Pennisetum Eragrostis seeds and seed germination characteristics, determined to promote both the growth of grass seed germination and effective way to wild Pennisetum and Eragrostis large seed production and provide a basis to promote the use of this test, mainly through chemical reagents soaking, combined with a certain degree of mechanical processing, so as to achieve to break the dormancy of seed dormancy and promote germination and growth of its purpose.
利用化学试剂对草种进行处理能有效打破其休眠,为了明确野生狼尾草种子和大画眉草种子的发芽特性,确定促进这两种草种萌发和生长的有效方法,为野生狼尾草和大画眉草的种子生产和推广利用提供依据,本试验主要通过化学试剂浸种,并结合一定的机械处理,从而达到打破休眠种子休眠、促进其萌发和生长的目的。
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The results of continuously four-year survey to Eragrostis poaaeoides indicated that soil moisture plays a leading role in affecting its population size variations, and Eragrostis poaaeoides have high mortality rate in its established phase, while low in the later stage.
连续四年自然种群的跟踪统计结果表明,小画眉草种群所处生境的水分条件是制约小画眉草种群动态的主导因子,小画眉草在定居期死亡率高,中后期存活稳定。
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And then the two different turfgrass seed germination tests conducted, results show that: 0.1 percent concentration of hydrogen peroxide concentration of 0.01% of the "Bi-care" and the concentration of 0.29 percent for the "God LU Hong Lu," The three kinds of reagents soaking treatment can significantly improve the wild Pennisetum and Eragrostis seed germination and growth of 0.10 percent by the concentration of the soaking H2O2 solution, then 0.29% concentration of the "God LU Hong Lu" after soaking solution, wild Pennisetum Eragrostis seeds and seed germination energy, germination percentage, germination index, root length and were significantly higher than control to deal with the seeds, but also to varying degrees higher than the other chemical reagents used to deal with the seeds, rapid germination and tidy.
然后对两种草坪草不同的种子处理进行了发芽试验,结果表明:浓度为0.1%的过氧化氢、浓度为0.01%的&碧护&和浓度为0.29%的&鲁虹神露&这三种试剂浸种处理能显著提高野生狼尾草和大画眉草种子的萌发和生长,经浓度为0.10%的H2O2溶液浸种,再经浓度为0.29%的&鲁虹神露&溶液浸种处理后,野生狼尾草种子和大画眉草种子的发芽势、发芽率、发芽指数、根长和芽长均显著高于空白对照处理的种子,也不同程度的高于用其他化学试剂处理的种子,发芽快而整齐。
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In conclusion, Based on Leaf abaxial epidermis, Caryopsis morphology, Silica body, Molecular phylogeny, the present tresults differ from the tradtional study indicate that Perotis, Tragus and Zoysia are immerged into Chloridoideae the subfam. Eragrostis, the tresults of this thesis support the conclusion of Flora of China (Zhou T-Y et al, 2001) and the three genera is not independently treated as a tribe.
从叶表皮微形态、颖果和硅酸体形态以及分子系统学证据等方面来看,本文的研究结果与传统分类有所不同:结缕草属、锋芒草属、茅根属应放在虎尾草族,画眉草亚科,本文支持周太炎等(2001)《Flora of China》中的处理意见,取消结缕草族,将结缕草属、锋芒草属和茅根属做为虎尾草族的三个独立的属处理。
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According to the site condition and biological characteristics, Bermudagrass, Bahiagrass and weeping lovegrass were chosen to hydroseed 8 different type turf in south slopes of red soil in Shenzhen. The turfgrass seeds were sowed singly or mixedly according to different species and ratios. The ecological, social and economical effectiveness of the turf was studied systematically, and AHP structure model was used to assess different turfs.
根据立地条件和生物学特性,选择狗牙根、百喜草和弯叶画眉草在探圳市赤红壤阳坡上单独或按不同比例混合喷建了8种不同类型草坪,系统地研究了它们的生态、社会和经济效益。
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Eragrostideae is not monophyletic,how Chloridoideae devides subtribes need more evidence to clarify.
同时认为画眉草族植物是个并系群,至于虎尾草族内亚族的划分值得进一步研究。
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The species structure and importance value dynamics of annual plants in herbage synusia during a growth period have been observed, and the ecological mechanisms of these changes have been analyzed also.
通过跟踪观测一年生植物层片在一个生长周期内种类组成及其重要值的变化,并分析变化的生态学机理,得出如下结论:①在固沙区草本层片内,小画眉草的多度、盖度和重要值在群落中所占比例较大,是群落优势种;②在充足的降雨后,一年生植物都突发性萌发,但随着降雨的减少,层片内的一年生植物种群都呈衰退之势,其中小画眉草和虎尾草种群急剧减少,狗尾草、雾冰藜和虫实种群减少幅度不大。
- 更多网络解释与画眉草相关的网络解释 [注:此内容来源于网络,仅供参考]
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Eragrostiella Bor:细画眉草属
132. 尖稃草属 Acrachne Wight et Arn. ex Chiov. | 133. 细画眉草属 Eragrostiella Bor | 2. 三齿稃亚族 Tridentinae Keng et Keng f. ex Keng f. et L. Liou
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Teff:画眉草
TEFERRA, Tadelle;塔德尔.特费拉;; | teff;画眉草;; | Tegucigalpa Agreement on Human Development, Childhood and Youth;特古西加尔巴人类发展、儿童和青年问题协 定;;
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Teff:画眉草,知风草
"无酒精饮料","teetotal drink" | "画眉草,知风草","teff" | "聚四氟乙烯,特夫纶,铁氟龙","teflon"
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Eragrostis:画眉草属
草类在撒哈拉沙漠则广泛分布,包括下列品种︰三芒草属(Aristida)、画眉草属(Eragrostis)和稷属(Panicum). 大西洋沿岸则有马伴草(Aeluropus littoralis)和其他盐生草. 各种短生植物组合构成重要的季节性草场,称作短生植被区.
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Eragrostis:大画眉草 禾本科 画眉草属
黄花草木樨 蝶形花科 草木犀属 Melilotus | 大画眉草 禾本科 画眉草属 Eragrostis | 铁杆蒿 菊科 蒿属 Artemisia
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Eragrostis pilosa:画眉草
许多杂草如画眉草(Eragrostis pilosa)在丛叶期利用价值很高,家畜喜欢采食,但由于其抽穗后迅速老化,家畜不再采食;因未刈草地放牧压力的增大,阻止了杂草分孽[10]和老化,致使杂草也能长期被采食,降低了杂草的优势度,增加了优良牧草的竞争能力,
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Eragrostis pilosa:画眉草 全草
牛筋草 带根全草 Eleusine indiea | 画眉草 全草 Eragrostis pilosa | 茅香 根茎 花序 Hierochloe odorata
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Eragrostis Wolf:画眉草属
1. 画眉草亚族--Subtrib. Eragrostidinae Benth. | 1.画眉草属 Eragrostis wolf | 5.尖稃草属 Acrachne Wight et Arn.ex Chiov.
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Eragrostis cilionensis:画眉 草
狼尾 草 Pennisetum alopecuroides | 画眉 草 Eragrostis cilionensis | 鼠尾 草 Sporobolus elongatus R.Br
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Eragrostoideae Pilger:画眉草亚科(虎尾草亚科)
125. 芨芨草属 Achnatherum Beauv. | 6. 画眉草亚科(虎尾草亚科) Eragrostoideae Pilger | 01. 冠芒草族 Pappophoreae Kunth