land plant 中文意思是什麼

land plant 解釋
陸生植物
  • land : n 1 陸地,地面。2 土地,田地;農田;〈pl 〉所有地,地產。3 國土,國,國家;領土;地方;(…的)世...
  • plant : n 1 植物,草木 (opp animal); 草本;〈商用語〉樹秧,苗木。2 莊稼,作物,收獲;(植物的)生育。3 ...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Effects of plant regulator z - s on photosynthesis after anthesis and yield of dry - land rice

    始穗后弱光對水稻干物質積累與產量的影響
  3. The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment. during the past two decade, the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants, provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants. three new plant based epochs have been recognized. on the other hand, molecular sequence studies have provided insights into the phylogeny and early branches of land plants. a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences. this paper summarizes recent advances and new knowledges, comments on the phylogenetic studies based on the cladistic analysis

    陸生植物的起源和演化是地球生命中的重大事件,它影響到地球上所有的其他生命和全球環境。在過去的20年中,從中奧陶世歷經整個志留紀至早泥盆世的巖層中,化石植物微化石和大化石的新發現改變了人們對陸生植物起源的認識,並且為陸生植物和維管植物早期演化分異提供了基部類群分化的時間框架。據此人們識別出地史中的3個陸生植物的時代:始胚植物時代始維管植物時代和真維管植物時代。
  4. In acidic soils, its toxicity is considered to be the most limiting factor for plant productivity. based on an estimate of the world ' s potentially arable land resources, it has been estimated that most of the cultivable area ( 78. 4 % ) is composed of acid soils

    全世界有39 . 5億hm ~ 2酸性土壤,其中可耕土壤面積為1 . 79億hm ~ 2 ,如何解決酸性土壤的鋁害問題已經是不容忽視的一項重要課題。
  5. Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions

    同時,土壤是農業生產的根本,治理水土流失的關鍵是要保住土壤,而土壤養分絕大部分是隨著泥沙流失的,嚴重的水土流失造成土層淺簿、養分貧瘠,土地質量退化,產量下降,對三峽庫區移民工作和農業可持續發展造成嚴重威脅,制約三峽庫區經濟發展。因此進行三峽庫區坡耕地土壤侵蝕機理研究,探索減輕坡耕地土壤流失的方法措施,具有全局性的重大意義。
  6. In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1

    本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的生態環境,從紫色土荒坡地水土流失治理入手,在尋求出既適應紫色土荒坡地惡劣環境又有良好水土保持作用和一定經濟效應的作物? ?龍須草的基礎上,用定性和定量相結合的方法,以「龍須草純種」 、 「龍須草與果樹立體種植」 (簡稱林草立體種植,下同) 、 「空曠地」 、 「自然野生雜草地」四種不同的土地利用方式進行對比研究,從水土保持效應、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的效應,並對其機理進行了初步探討,主要研究結果如下: 1
  7. Orangegroves and immense melonfields north of jaffa. you pay eight marks and they plant a dunam of land for you with olives, oranges, almonds or citrons

    你交八十馬克,他們就為你種一狄納穆25地的橄欖桔子扁桃或香櫞。
  8. In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground

    本文以前人的研究為基礎針對「防護林體系是否有降解作用,有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象,研究了防護林體系對「沙」 、 「塵」的降解作用,得出以下結論: ( 1 )在距離地表0 - 40cm范圍內,同一風速下生長有天然固沙植物,植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上,地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。
  9. Origin ; evolution ; land plant ; vascular plant

    起源演化陸生植物維管植物
  10. Characteristics of plant community and soil properties in the plantation chronosequence of caragana microphylla in horqin sandy land

    科爾沁沙地不同年代小葉錦雞兒人工林植物群落特徵及其土壤特性
  11. According to the environment features inside and outside caves in guizhou and current development of cave creature study home and abroad, making use of karstology, environment science, ecology, zoology and the theory of human - land relation, and through combining microscale with macroscale, component with system, field investigation with interview, and theory with experiment, the author chooses guiyang, anshun, pingba and honglin, where human activities are frequent and strong, to make a macroscopical investigation on animals and environment, and selects some typical caves in honglin to make a comparison study on environment features inside and outside the caves, biodiversity and present situation of plant society, and adaptability of cave animals to environment, and analyzes theoretically the effects of human activities on the cave animals and evaluates objectively the development potential of cave animal resource

    根據貴州喀斯特洞內外環境和國內外洞穴動物研究現狀,運用喀斯特學、環境學、生態學、動物學以及人地關系等相關理論,採取點面結合,特殊與一般結合,系統與要素結合,實查與訪問結合,理論與實驗結合的方法,選擇貴陽、安順、平壩、紅林等人類活動強度大的區域進行面上動物和環境的調查,選擇紅林地區代表性的洞穴對洞內外環境、物種多樣性及群落現狀、動物對環境的適應等進行對比研究,理論分析人類活動對洞穴動物的影響和客觀評判人類活動的洞穴動物效應與動物開發潛力。
  12. This paper systematkally researched the characteristics of growth and physiology of sophora viciifolia hance ( a kind of natural shrub ) and its effects on the content of soil water, soil nutrieftt and soil physical property. the paper applied some methods and theory of plant ecology, plant physiology, physics of soil and soil chemistry etc. three different age s. viciifolia hance in the different plot were selected, caraganar land and fallow land as a comparison

    本文以陜北黃土區安塞紙坊溝流域內在植被演替中佔有重要地位的天然灌木種( 6 、 14 、 17齡)狼牙刺( sopharaviciifoliahance )為對象,以15齡檸條( caraganar )和撂荒地為對照,系統研究了狼牙刺的生長特徵、生理特性,及其生長對土壤水分、土壤養分、土壤物理性狀的影響。
  13. With regard to tree - planting and grass - growing on barren mountains, hillsides and beaches, the government has enacted a special policy featuring “ the lasting and inheritable practice of whoever reclaims the land shall be entitled to operate and get benefit from it. ” this has encouraged local people to plant trees and grow grass, and guaranteed the rights and interests due to them in eco - environmental amelioration

    政府專門制定了在荒山、荒坡、荒灘地區植樹種草實行「誰開發,誰經營,誰受益,長期不變,允許繼承」的政策,鼓勵人民群眾植樹造林和種草,保證了人民群眾在改善生態方面應有的權益。
  14. Based on the different direction of view and water and relation of water and land, the author divided lake landscapes into vertical single - water landscape, parallel poly - water landscape, vertical poly - water landscape, parallel single - water landscape and bird ' s - eye view landscape. addition to, the author discussed the effect of distance between a given vantage point and opposite shore to plant landscape ' s visual character, then give the key point of plant designing in different lake landscape mode and researched the effect to visual landscape caused by all kinds of plant design method from the plant on land and water

    確定了由於視線與水體的方向以及水陸關系的不同而形成的單水體垂直景觀、多水體垂直景觀、單水體平行景觀、多水體平行景觀和鳥瞰景觀等5種景觀模式,並在此基礎上進一步論述了視點與水體對岸的景觀間距對于植物景觀觀視特點的影響,提出了不同湖泊景觀模式中植物配置的重點。
  15. Transplanter of dry land plant

    旱地栽植機械
  16. Devonian fossil plant considered one of the earliest forms of vascular land plants ; similar to genus rhynia but smaller

    被認為是有脈管的陸地植物的最初形式之一的泥盆紀化石植物;與鹿角蕨屬相似,較小。
  17. Yuhuan yixin valve factory locates the beauty strand of rich east china sea, the vegetable contain " the country of the pomelo " province jade bracelet county of zhejiang that it call, with wen zhou ge2 ' s shore opposite, the land - and - water transportation is very convenient. the my plant profession produces the copper ball valve, cape valve, mouth of water, check valve, closes the valve and takes care ofconnect several valves of species of etc. door product, product far sell etc. of the europe and america, southeast asia, middle east nation andregion, the product quantity has been win the favor and the trust of all countries guest room

    玉環縣益鑫閥門廠位於美麗富饒的東海之濱,素有"文旦之鄉"之稱的浙江省玉環縣,與溫州隔岸相峙,水陸交通十分便利.本廠專業生產銅球閥、閘閥、角閥、水嘴、止回閥、截止閥、管接等多個品種的閥門類產品,產品遠銷歐美、東南亞、中東等國家和地區,產品質量一直贏得各國客戶的青睞和信賴。
  18. It is just like when we go to a very deserted land with no water or trees, and we begin to dig wells, and we plant trees, vegetables, etc. we make a useless wasteland become a fertile, green, beautiful place. then we create a new park, a new garden or new living quarters that otherwise had not been there

    就好像我們到一個沒有樹沒有水的荒郊野地之後,開始動手掘井植樹種菜等等,把原本無用的荒地變成一處肥沃豐饒綠樹成蔭景緻優美的地方,然後再蓋設公園花園住宅區等設施。
  19. The first thing that caught our eyes was a lone, dilapidated hut surrounded by a vast expanse of land lying against a backdrop of overlapping layers of mountains. the hut was the rest area for local farmers, who came to plant tree cuttings in the plot of land in front of the hut and, when new leaves had sprouted, transplanted them on the plains or hill slopes. by so doing, the farmers could earn a living while conserving the land around the reservoir

    小艇走了差不多半個小時,上了岸,呈現眼簾的是一間破舊的小茅屋,還有廣大的平原,後面更有重重山巒相疊,那間破舊的小茅屋是在此耕種的農民們落腳的地方,在茅屋前,他們以插枝的方式把樹枝種在土壤里,等到長出新芽后,再移植于地上及山坡上,以保護此水庫及提供農民就業。
  20. Firstly, the concept of cultivated land quality was defined as the integrative character of cultivated land biological capacity and the benefit of plant under the condition of using as plant cash crops, and of cultivated land potential benefit under the condition of use as construction land. cultivated land basic function was defined as subsistence function when used to plant food crops, as benefit function when used to plant cash crops, and as bearing function when used as construction land

    本文首先明確了耕地質量是耕地在現實用途條件下的生物生產能力和農業收益能力與未來用途條件下的潛在收益能力的綜合屬性特徵,並且將耕地的基本功能確定為種植糧食作物的生存功能,種植經濟作物的收益功能和用作建設用地這一潛在用途的承載功能。
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