水土利用 的英文怎麼說
中文拼音 [shuǐtǔlìyòng]
水土利用
英文
soil and water utilization-
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。However, up to today with the development of social industrialization, especially the advance of building and building technology, the successive appearance of land three - dimensional usage such as high building, overhead railway, underground railway, air corridor, underground market, the wire of high voltage and last sewer etc., at the same time, many problems produced by the ownership and the usage of land space also have been put forward
土地所有權的行使及於土地的上下，土地所有權的效力「上達天宇，下及地心」 。然而，時至今日，隨著社會工業化的發展，特別是現代化土木、建築技術的進步，高樓大廈、高架鐵路、地下鐵道、空中走廊、地下商場、高壓電線、上下水道等土地立體化利用情形陸續出現，同時，因對土地空間所有和利用所產生的諸多問題也開始被提出。Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred
通過分析兩期土地利用及景觀結構指數之間的差異性，指出由自然和人為原因引起的生態環境的變化：研究區總面積有所減少，鹽堿地改良後用于了魚蝦養殖，部分未利用地和水域鹽堿化，區域景觀類型豐富且均勻，局部破碎嚴重。With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously
但是隨著人類社會的發展，在缺乏保護和可持續利用意識、急功近利思想影響下，黑土遭到過度墾殖和掠奪式經營，人類對其活動范圍遠遠超過了其再生能力，導致有機質含量減少，肥力下降，孔隙比減小，保水持水能力降低，土壤板結，黑土嚴重退化。The study was primarily conducted to investigate the effects of various irrigation managements on the yield, quality and wue of alfalfa and the sustainable utilization of soil - water in north china plain. five treatments were applied : 0mm, 30mm, 50mm, 75mm and 100mm irrigating at the beginning of the second growth cycle in 2001
本研究通過兩年的灌溉實驗，根據對降水情況、土壤水分的蒸發量、蒸散量與苜蓿各生物學指標的分析，初步探討了在華北平原地區不同灌溉處理對于苜蓿產量、品質、水分利用率以及苜蓿地土壤水資源利用可持續性的關系。Study on characteristics of soil moisture and its use efficiency in dryland wheat in the loess tableland
黃土臺塬旱地小麥土壤水分特徵及水分利用效率研究Based on the results of experiments, the process of biomass accumulation and soil water consumption of alfalfa has been simulated with mathematical statistical method, so as to find the character of its accumulated biomass and the law of soil water utilization
摘要通過種植試驗分析，用數理統計方法模擬了紫花苜蓿生物量累積過程及土壤水分消耗過程，揭示了紫花苜蓿的生物量累積特點及其土壤水分利用規律。A comparative study on water use characteristics and eco - adaptability of hippophae rhamnoides and caragana korshinskii in semi - arid loess hilly - gully region
半乾旱黃土丘陵區沙棘和檸條水分利用與適應性特徵比較The recommended water ( by balance method ) and nitrogen ( by kns system ) practices were compared with conventional practices on spinach growth in field experiment
摘要針對傳統水肥方式中存在的投入過量問題，採用控制耕層土壤濕度以及應用kns氮素推薦系統對菠菜的產量及水氮利用進行了研究。Meanwhile, their planting sites were also studied different herbages were found to differ in their soil water use intensities and depths and thus the proportions and site conditions for their mixed seeding were determined
同時對其立地條件進行了研究，結果表明不同牧草對立地土壤水分利用強度及空間分佈有很大的差異，提出了不同牧草混播比例及立地范圍。Examples of how intensified cropping systems improve plant nutrition, increase water use efficiency, increase nutrient use efficiency and build soil organic matter are discussed
討論了集約種植制度和如何改善植物營養、提高水分利用率、提高養分利用率和積累土壤有機質的實例。The hebei dryland project aims to improve rural well - being through sustainable and profitable agriculture in the hebei lowland plain through capacity building, human resources, science, and technology development and transfer
二期項目目的是：研究並推廣生態保護型旱地農業技術，提高水分利用率，提高土壤和水的質量以及河北低平原農業的生產效益。( 2 ) parts of the area show apparent local climatic properties because of the influence of topography, landcover, and so on. precipitation in mountainous and forest area is usually more affluent than in vicinity, this creates a typical mosaic structure of precipitation distribution like the islands. ( 3 ) soil water is the most significant form of water resources, which is the only water for vegetation uptake
分析結果顯示： （ 1 ）黃土高原地區的降水分佈自東向西、自南向北逐漸減少，東南部可達900多毫米，西北部最低則僅約100毫米，表現出顯著的大陸性氣候特徵； （ 2 ）由於地形等因素的影響，山地森林等局部地區小氣候特徵明顯，降水量高於周圍地區，結果形成降水的島狀鑲嵌結構； （ 3 ）土壤水是黃土高原最重要的水資源之一，它是該區植被水分利用的重要資源。Ginnala is the least tolerant to drought stress. p. davidiana ' s water use efficiency has increasing trend, but the other three species have decreasing trends. ( 4 ) the a. ginnala ' s leaves are sensitive to drought, but the others are not
四樹種中只有山桃水分利用效率隨土壤含水量的降低呈增長趨勢； （ 4 ）茶條槭葉片對水分變化敏感，在乾旱脅迫下，葉片發生明顯增厚現象，單株葉面積顯著減少，其它三個樹種的葉片不易被水分因子所影響。On the condition of no effect from vegetation and form of slope, soil moisture increased down to the bottom of the catchment ; the vegetation diminished or even reversed this trend
對0 ? 2m土層不同植被類型各層次土壤水分的季節動態對比發現，表層和各植被類型的土壤水分利用層變化最為劇烈，深層土壤水分季節變化趨勢相對平穩。The results showed that photosynthetic rate, transpiration rate, and stomatal conductance decreased and leaf wue increased with soil water content declined
結果表明，各品種幼苗葉片光合速率、蒸騰速率和氣孔導度均隨土壤水分的減少而呈降低趨勢，葉片水分利用效率呈增加趨勢。And this is the first full application of two - layer model in remote sensing. from separated evaporation and transpiration through the model some important field parameters can be derived, such as canopy resistance, co2 flux and crop water use efficiency. a simplified two - layer model was also presented in case of that only radiative temperature is available
在組分溫度的幫助下，實現了土壤蒸發和植被蒸騰的準確分離，並且用植被蒸騰速率反算出冠層氣孔阻抗、二氧化碳通量、以及作物群體水分利用效率等農田關鍵參數，是遙感獲得此類參數的新思路。Effect of soil drought on the growth and water use efficiency of seabuckthorn
土壤乾旱對沙棘苗木生長及水分利用的影響Effect of wetting and drying cycle of soil on consumption character of water by maize
土壤干濕交替對玉米耗水特性及水分利用的影響With negative pressure gauge, neutron instrument and monitor research for depth of embedment of groundwater, we can obtain the changeable regulation of the soil moisture change in field and moisture use efficiency in field at childbearing period ; in five irrigation water, every time all has deep seepage, and the soil all can reach to saturation ; in childbearing period, the mutual change relation of irrigation water and groundwater is active
摘要通過負壓計、中子儀、地下水埋深監測研究，得出生育期田間水分變化規律及土壤水分利用效率； 5次灌水均有深層滲漏，土壤都能達到飽；在生育期間，土壤水和地下水相互轉換關系活躍。分享友人