肥力指標 的英文怎麼說

中文拼音 [zhǐbiāo]
肥力指標 英文
fertility index
  • : Ⅰ名詞1 (肥料) fertilizer; manure 2 (姓氏) a surname Ⅱ動詞1 (使肥沃) fertilize 2 (由不正當...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 指構詞成分。
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • 指標 : target; quota; norm; index; merit; subscript; index arm; indicatrix
  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為重點,對不同土地利用方式土壤特徵進行量化分析,找出巖溶土壤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(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學退化(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(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. The results are summarized below : 1 ) study on soil science indicates that soil granular structure is the focus adjuster for soil fertility and it affects the space, water - grasp, aeration and anti - erosion of soil. and the percentage of aggregate is one of the key index that decides the speed and extent of soil erosion, hardening and degeneration because the soil degeneration will first lead to the disappearance of crumb - structure. so it is very important that the physical course and character of soil in different land use pattern are realized

    現將主要結果摘要如下: l 、士壤學研究表明,團粒結構是土壤的中心調節器,影響著土壤的空隙性、持水性、通透性和抗蝕性;任何土壤的退化首先將表現出團粒結構的消失;團聚體百分比是決定土壤侵蝕、板結等物理過程速度和幅度的關鍵之一,了解不同土地利用和土壤管理方式的物理過程和性質相當重要。
  3. Based on the principle of significant effect of soil fertility factors on forest growth, soil physical factors ( natural water content, bulk density, total porosity, capillary porosity, aggregate degree, coarse silt and physical clay ), chemical factors ( om. total n, alkali - hytrolyzable n, total p, humus and ha / fa ) and biological factors ( urease, acidphosphotase, invertase and microbes ) were selected as evaluation index system of soil fertility. applying principal component analysis, soil ifi of subalpine coniferous forest was calculated

    從土壤物理、化學、生物學三方面出發,建立了川西亞高山針葉林不同演替階段土壤評價體系,應用主成分分析,計算出不同演替階段土壤綜合值( ifi ) ,各演替階段大小順序為: 10年生雲杉林地跡地原始林地次生樺木林地30年生雲杉林地20年生雲杉林地50年生雲杉林地60年生雲杉林地40年生雲杉林地。
  4. The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae, soil ph value, soil organic matter soil available phosphorus and soil nitrogen. and then, the author put fertile soil, which included micro - algae, proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ). the above indices were measured in 0, 30, 60 and 90days respectively, the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value, soil organic matter, soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae. under dark condition, the micro - algae ' s number declined gradually and went to zero in the end, while under illumination condition, on the 90th day, the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning

    本文首先對沃土壤與經高溫焚燒后的貧瘠土壤中的微藻數量、土壤ph值、有機質含量、有效磷含量和全氮量進行比較研究,然後將包含微藻的綠化苗圃地土按不同比例接種進入貧瘠土樣中,分別在光照條件和黑暗條件下進行培養,在0天、 30天、 60天和90天分別檢測以上,比較有光條件和無光條件下,即有藻條件和無藻條件下貧瘠土樣所發生的變化,並分別對微藻數量的變化與土壤ph值、有機質含量、有效磷含量和全氮量的變化之間做相關性分析,以評估沃土壤中的微藻接種進入貧瘠土壤后的生長情況以及對貧瘠土壤的改良作用。研究結果表明: ( 1 )土壤微藻對環境有較強的適應能,且光照對其分佈起了決定性的作用。
  5. In the meanwhile, the best community that was picked out from natural deciduous broad - leaved forest was taken as contrast. and the hight, dominance, soil fertility, coverage, composition and biomass of the community were used as community characteristics parameters to comprehensively evaluate the restored degree of communities at different restoration stages

    同時,在天然闊葉落葉林中選取一個最佳群落作為參照,運用群落高度、顯著度、土壤、蓋度、組成結構和生物量6個為群落特徵參數,對各個階段群落恢復的程度進行了綜合的評價。
  6. Soil organic matter can be regarded as one of soil fertility index, so manure culture and maize straw treatment is beneficial for soil fertility

    土壤有機質可作為土壤肥力指標之一,所以採取有機和秸稈還田的培模式,有利於培土壤,提高土壤
  7. Based on the two fertility indices, organic matter and total nitrogen, 73 typical soil samples collected from calcareous cultivated soils with different yield levels in 10 counties of henan province were divided into three categories in fertility by hierarchical clustering analysis

    本文在河南省十個縣市不同產量水平的石灰性耕作土壤上採集了73個典型樣品,並根據土壤有機質和全氮量這兩個肥力指標,用系統聚類的方法將供試土壤劃分為高、中、低三種類型。
  8. Through field investigation and soil fertility index analysis, causes and mechanism of fertility degradation of black soil in the songliao plain were explored

    通過田間調查和土壤肥力指標分析,探討了松遼平原玉米帶黑土退化的原因和機理。
  9. This paper chooses the indicators of economy and land quality input which has influence on the output, depending on cd - productive function to establish the function between input and output : y : productive forces of the cultivated land f : input of the fertilizer and agricultural chemical i : input of the irrigation l : input of the labor q : input of the land quality a : the level of average management t : the level of changing management a, b, c, d, f : productive elasticity coefficient the factor of the land quality includes texture, content of the organic matter, degree of the pickled, the structure of the soil

    本項研究選擇了影響農用地總產出的經濟投入和土地質量投入,藉助c - d生產函數,建立土地投入產出的函數關系: y = a ? e ~ ( ft ) ? f ~ a ? i ~ b ? l ~ c ? q ~ dy為以土地總產值表示的土地生產f為化和農藥的投入i為灌溉投入,即灌溉所需用的水電費l為勞動投入(考慮了農業機械投入的修正) q為土地質量投入a為平均管理水平t為變化的管理水平a 、 b 、 c 、 d 、 f分別為各相應生產要素的產出彈性系數其中,土地質量因子包括表土質地( t人有機質含量矚入鹽漬化程度px土體構型p )等。他們之間的關系為: q ( a ; xt a 。
  10. So in this thesis, 6 classes ( land area, special statistic and investigation, economic and societal statistic, water quality monitoring, soil environment monitoring, soil fertility monitoring ), 90 items of national sustainable land use monitoring monitoring were illustrated, it is also give the method and period for the monitoring of every items

    本文在前人土地可持續利用體系研究的基礎上,提出了國家級土地可持續利用監測的六類(土地面積,專業調查統計,社會經濟統計,水質監測,土壤環境監測和土壤監測) ,九十項監測項目,確定了每個監測項目的監測方法與監測周期。
  11. Soil water condition is calculated by watsat model, its result ( suff ) is input into ales. the soil water condition is sufficient for maize in most of handan, suff value is between 0. 8 and 1. 0

    根據邯鄲地區1 25萬soter土壤土地數據庫和ales土地適宜性評價模型原理,建立了基於水分滿足程度、土壤侵蝕風險、土壤肥力指標的邯鄲地區夏玉米適宜性決策樹模型。
  12. In this paper, 4 types of vegetation ( broad - leaved, masson pine, chinese fir and phyllostachy pubescens ), which are widely distributed in subtropical area of southern china, were selected to investigate cotent and spatia - temporal, characteristic of wsoc. two kinds of bamboo { phyllostachy pubescens and phyllostachys praecox ) were used to test the effects of intensive management on soil loc

    本文採用野外調研和定位試驗相結合的方法,比較研究了亞熱帶具代表性的常綠闊葉林、馬尾松林、杉木林和毛竹林四種森林類型土壤活性有機碳的含量、空間變異、年動態變化規律及其與土壤其他肥力指標的關系。
  13. Based on analysis of soil physical, chemical and biological properties, soil properties and soil integrated fertility index ( iff ) of different successional series of subalpine coniferous in western sichuan were systematically studied. the results showed soil fertility degradation of subalpine coniferous forests was mainly related to decrease of soil organic matter

    從土壤物理、化學和生物學性質角度出發,系統地研究了四川西部亞高山針葉林不同演替階段土壤性質和土壤綜合肥力指標值,結果表明:川西亞高山針葉林土壤性質主要受土壤有機質的影響,人工林地土壤質量退化主要由於有機質的減少並導致相關土壤物理、化學和生物學性質惡化。
  14. With the 12 years " development, mawan has formed it ' s major scope of business from steal, cement and chemical fertilizer and other kinds of bulk cargo. at the same time, mawan does its best to manage container transportation as the branch line to develop it ' s business scope. and now mawan has becoming the most successful enterprise among shenzhen west port area

    經過十二年的發展,公司逐漸形成了以鋼材、水泥、化等散件貨為主的業務范疇,同時積極拓展支線集裝箱運輸、後方倉儲等經濟空間,目前已成為深圳西部港區各項經營(如營運能、盈利能、發展能以及人均產值等)最好、最為成功的港口企業。
  15. Based on the reality of zhangye oasis water resources utilization, and supported by the environmental economics theory, this paper is to research and analyze the agriculture water utilization in the oasis, including sunan, minle, shandan, zhangye, linze, gaotai sincel970s. to analyze the economic benefit of the unit provision output effected by the labor - flooding water volumes based on both the real collected data and the statistical data provided by the stat. dept in the past years ; the checking standard for output benefit is the unit provision out put the input parameters are water, fertilizer, power - supply and the cone - erned factors occurred during the agriculture production

    經過大量的實地考察,對甘肅的武威、張掖和酒泉三大綠洲的自然、經濟情況,尤其是農業生產情況和用水情況進行了深入的調查和研究,在獲取實際資料的基礎上,結合統計部門提供的歷年統計數據,以糧食單產為產出效益衡量準,以農業生產涉及的灌溉水量、天然降水量、化農藥施用量、農業生產用電量、農業機械總動以及自然災害情況等各相關因子為投入參數,利用sas 、 spss等統計分析軟體對數據進行處理和分析,分別採用實物量和價值量,分析人工灌溉水量這一投入要素,對糧食單產這一產出的總效益、邊際效益和平均效益。
  16. The physical and chemical properties of the soil were analyzed, including nutrient change and routine index of acidity and alkalinity, in addition, compared them with natural soil and studied their variation and correlation. the results as follows : the soil bulk density of harbin urban vegetation is higher, total porosity and field capacity are small

    對其土壤的理化性質和養分狀況等進行分析,並與松花江地區自然黑土進行了對比,研究其變化的趨勢和養分相關性。結果表明:哈爾濱城市綠地土壤容重較大,孔隙度和田間持水量少,有機質缺乏,養分含量較低,相關性差,土壤ph值呈中性,水平低。
  17. According to sources, the bureau of industrial injury investigation under moc has drafted the rules on investigation of the international competitiveness, which is aimed at the establishment of an indicator system and an evaluation system of industrial competitiveness, both compatible to china ' s conditions ; the trials of evaluation on the competitiveness of such industries as automobile and phosphorus fertilizer have began, and initial achievements have been scored

    據悉,商務部產業損害調查局組織起草了《產業國際競爭調查規則》 ,旨在構建符合中國國情的產業競爭體系和評價體系,並啟動了汽車、磷等重點產業的競爭評價試點,現已取得了階段性成果。
  18. The data used in this dissertation originate from 3 regions in china - the northeast, the north china plain and the mid - lower yangtze river - and cover 6 provinces, 15 counties, and 180 sample plots. the data include information on soil fertility, quality, and corresponding socio - economic data for the households farming the sample plots. the primary soil fertility indicators analyzed are soil organic matter, total nitrogen, effective phosphorus, and effective potassium

    本文選擇有機質、全氮、速效磷和速效鉀4個與農作物生長發育密切相關的土壤化學作為土壤的基本分析;選取東北、華北和長江中下游3個地區,包括黑龍江、吉林、北京、河北、江蘇和浙江6個省份15個縣市180個樣本地塊。
  19. The results obtained by the correlation, path and principal component analysis showed that soil urease and alkaline phosphatase activities could be as a comprehensive index of soil fertility, and their enzyme activities are affected by soil chemical properties and other enzymes

    結果表明,土壤脲酶和?性磷酸酶活性可以作為土壤,且酶活性大小受到土壤化學性質和其它酶活性影響。
分享友人