水茅草 的英文怎麼說
中文拼音 [shuǐmáocǎo]
水茅草
英文
juncus leschenautii gay ex laharpe-
It is analyzed that the impacts of vegetation type on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of hare soil, tanglehead grassplot, switch sorrel shrubbery and eucalyptus holt under natural moisture contents
摘要通過對裸地、扭黃茅草地、車桑子灌木林地和按樹林地四種不同植被類型、不同深度土壤在天然含水量情況下的直剪試驗,研究了植被類型對非飽和土抗剪強度的影響。The negative correlation of the dry matter production to the age class of rhizome indicates level of significance ( p < 0. 05, po. ol ) in leymus chinensis, calamagrostis epigeios and c. rigidula populations
羊草、牛鞭草和硬拂子茅種群根莖的干物質積累量與齡級間的負相關關系達到顯著和極顯著水平。The malignant weeds in lawn were alternanthera philoxeroides, digitaria sanguinalli, cynodon dactylon, trifolium pretense, hydroctyle sibthorpiodes, cyperus rotundus, eleusine indica, imperata cylindrical, kyllinga brevifolia and oxalis corniculata
其中,空心蓮子草、馬唐、狗牙根、三葉草、天胡荽、香附子、牛筋草、白茅、水娛蚣、酢漿草等10種雜草為草坪上的惡性雜草,對草坪危害最大。In situ field dynamic monitoring results of soil moisture of three types of greenbelt in tianjin economic development area, including bentgrass, tall fescue and paulownia, showed that the seasonal and vertical dynamics of soil water is the basis of water - saving irrigation
本文採取原位動態觀測和室內分析相結合的方法研究天津開發區本特草坪、高羊茅草坪和泡桐行道樹的節水灌溉指標,如灌溉飽和點與補償點、灌水定額與周期等。According to velocity of soil water consumption, the seasonal dynamics of soil water can be divided into different stages. bentgrass greenbelt soil can be divided into slow consumption stage, quickest consumption stage, quicker consumption stage and slower consumption stage. tall fescue greenbelt soil can be divided into slow consumption stage, quickest consumption stage and slower consumption stage
季節性變化按土壤耗水速率劃分:本特草坪有弱、強、中和微4個耗水期;高羊茅草坪為弱、強與微3個耗水期;泡桐綠地為中、強與微3個耗水期。Tall fescue ( festuca arundinacea schreb. ) is one of the major cool - season turfgrasses widely utilized at home and abroad, and improvement of its stress tolerances by genetic engineering is of momentous significance to maintaining of perennial evergreen turf, saving of water resource, enlargement of establishment area, and especially, to melioration of ecological environments in western regions of china
高羊茅是目前正在國內外廣泛應用的主要冷季型草坪草之一,利用基因工程技術改良其耐逆性對保持草坪四季常綠,節約水資源,擴大建植區域,尤其是對改善我國西部地區的生態環境具有十分重要的意義。An experiment has been conducted for investigating the rule of water consumption with three species of turfgrasses : kentucky bluegrass ( poa pratensis ), perennial ryegrass ( lolium perenne ), and tall fescue ( festuca arundinacea ) ; two kinds of irrigation water resources : tap water and sewage effluent ; and two kinds of irrigation methods : subsurface dripping irrigation and subsurface leaky pipe irrigation
本研究以三種典型的冷季型草坪草草地早熟禾、多年生黑麥草、高羊茅為供試草種,以自來水和經過砂過濾和沉澱處理的城市居民社區的生活污水為灌溉水源,採用地下滴灌和滲灌兩種灌水方法,通過田間對比試驗,探討了污水灌溉條件下草坪草的耗水規律。The fructan and starch contents of l. chinensis were 3. 2 and 3. 6 times respectively those of s. grandis
羊草地下器官碳水化合物的含量顯著高於大針茅,其果聚糖和澱粉含量分別是大針茅的3 . 2和3 . 6倍。The results showed that the carbohydrate components in below ground organs of both l. chinensis and s. grandis included fructan, sucrose, glucose, fructose, mannitol and starch
結果表明,羊草和大針茅地下器官的貯藏性碳水化合物的組分主要包括果聚糖、蔗糖、葡萄糖、果糖、甘露醇和澱粉。The seasonal changes of total carbohydrate, soluble carbohydrate, starch, mannitol and fructan in the below ground organs of both species showed the same ' down - up - down - up ' trend
5月20日10月15日,羊草和大針茅地下器官中的碳水化合物總量、可溶性碳水化合物含量、澱粉含量、甘露醇含量和果聚糖含量均表現出「降低升高再降低再升高」的特徵。In term of soil water coefficient of variation, the soil water profile in 0 - 100cm can be divided into 3 layers, i. e., hypoactive layer, hypoactive layer and correspondingly stable layer. these soil water layers varied along with soil water consumption seasons alternating
就綠地類型而言,活躍與次活躍層總深度:本特草坪高羊茅草坪泡桐綠地;就季節變化而言,弱耗水期活躍與次活躍層淺,強耗水期深,微耗水期較深。In the paper, the ecophysiological characteristics of achnatherum splendens, the effects of water and fertilizer on it and a comparative research to other grass were studied, which provided scientific basis on utilization and exploitation of achna therum splendens
本文研究了在黃土高原大面積生長的優良禾本科牧草?芨芨草的生理生態特性、水肥因子對它的影響以及同其它兩種牧草(本氏針茅和厚穗冰草)間的比較,為芨芨草的開發利用提供科學依據。The study of different deteriorated grasslands showed, although occurring genetic differentiation and reduced genetic diversity, biodiversity in deteriorated population can still maintain a high level. additionally, it had gene exchanges with normal populations. the deteriorated grassland can restore its vegetation as normal if rational management was adopted
不同退化系列,克氏針茅種群雖發生了遺傳分化,遺傳多樣性略有降低但仍維持較高的水平,且與正常草地間有基因流,只要採取合理的草地利用措施,減輕放牧壓力,退化草地即可恢復,若採取人工補播正常種群種子,將會加快退化種群的恢復進程。To understand the characteristics of carbohydrate storage of perennial grasses, we analyzed the content and seasonal dynamics of carbohydrate components in below ground organs of l. chinensis and s. grandis using high performance liquid chromatography
為了研究草原植物碳水化合物貯藏特性,採用高效液相色譜技術對羊草和大針茅的貯藏性碳水化合物的種類組成及季節變化進行了測定。Influence of seasonal distribution of precipitation on primary productivity of stipa krylovii community
降水量季節分配對克氏針茅草原群落初級生產力的影響The community productivity, structure and succession are significantly influenced by global climate changes. this study focused on soil respiration rate of stipa baicalensis grassland by using dynamic infrared gas absorbed method. we analyzed diurnal pattern of soil respiration rate and the influences of surface soil temperature and water content for this parameter, then compared the differences between day and night soil respiration rates, and explored the correlations between aboveground and underground biomass with the soil respiration
溫帶的半乾旱、半濕潤區草甸草原屬于過渡氣候影響下形成的植被類型,對環境氣候條件變化十分敏感,為了揭示半乾旱、半濕潤區草甸草原生態系統土壤碳素釋放規律及其對主要環境因子的響應,本研究採用動態室紅外氣體吸收法測定松嫩草甸草原典型群落? ?貝加爾針茅群落土壤呼吸速率,分析了土壤呼吸速率日變化規律及表層土壤溫度和含水量對土壤呼吸速率日變化的影響,比較了土壤呼吸速率的晝夜差異,探討了地上生物量和地下生物量與土壤呼吸速率之間的相關關系。The stable was a broken - down hut with a leaking roof and a floor made of mud ; the only water was in a ditch under the hedge
馬廄是間破舊不堪的茅草屋,屋頂是漏的,地是泥土地;樹籬下的小溝里才有水。The spacious men s and women s bathing areas feature slate - tiled hot spring pools, set amid a charmingly designed chinese garden. bathers can treat their necks and shoulders to a soothing massage under the stream of water flowing from the rockery, or sit in the thatched pavilion among the cherry and maple trees, admiring the view of hills
廣大的大眾湯區里,溫泉池鋪著天然溫潤的石板,園中有假山流水可沖灌肩頸肌肉,茅草涼亭可欣賞山色,加上幾株櫻花和楓樹,藉中國庭園的造景設計,營造出一番異于日本溫泉的中國泡泉情趣來。The tules and grasses grew back, and willows straightened up with the flood debris in their upper branches
蘆葦和茅草重新生長,柳樹直起軀干,上部的枝椏還掛著洪水留下的枯枝敗草。分享友人