鹽田土壤 的英文怎麼說

中文拼音 [yántiántǔrǎng]
鹽田土壤 英文
salt field soil
  • 鹽 : 名詞1. （食鹽; 鹽類） salt 2. （姓氏） a surname
  • 田 : Ⅰ名詞1. （田地） field; farmland; cropland; land 2. （姓氏） a surname Ⅱ動詞[書面語] （打獵） hunt
  • 壤 : 名詞1. （土壤） soil 2. （地） earth 3. （地區） area 4. （姓氏） a surname
  • 鹽田 : salt pan; salina鹽田機械 salt-field machinery; 鹽田土壤 salt-field soil
  1. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  2. My experiment can mostly include two sections : the first one was a pot experiment which was carried out in the greenhouse to study the physiological responses of helianthus tuberosus l. seedlings to salt and water stress ; the second one was a field experiment which was carried out in laizhou, shandong province to study the effects of seawater irrigation on helianthus tuberosus l. and soil

    本試驗由溫室盆栽耐鹽耐旱試驗和大田海水灌溉試驗兩大部分組成：溫室盆栽試驗主要通過砂培的方法，研究了幼苗期菊芋在鹽分和水分脅迫下的生理反應；大田試驗在半乾旱的山東萊州地區進行，研究了海水灌溉對菊芋及其土壤的影響。
  3. The variation of soil water, salinity and temperature in the field makes the coupled transport processes of them very complicated

    田間土壤水分、鹽分和溫度變化使水、鹽、熱耦合遷移的過程極其復雜。
  4. The building and application of water and salt database management system of soil

    田間低礦化水灌溉的土壤鹽堿化過程的探討
  5. Based on this, the upper controlling index of soil water content is 80. 4 % and the days of waterlogged and salinization tolerance is 3. 2 days. the moisture and salinization movement mathematical model in the field under subdrainage condition is based on the assumption of neglecting the effects of horizontal hydraulic gradient, it can analogy the changes of soil water content and salinization which are changed with times and depth

    論文在忽略水平方向水力梯度影響的假定下建立了排水條件下麥田水鹽運移模型，模擬土壤水鹽含量隨時間、空間的變化情況。經與實測資料對比發現，計算值與實測值較為接近，故該模型及參數的確定是合理的，可用於預測麥田水鹽的動態變化。
  6. In the part of chiku to the west of provincial highway 17 there are salt pans and several thousand hectares of salt - water fish rearing ponds, while to the east there are mainly fields. but most crops do not thrive in chiku s saline soil. a rare exception, and the star crop here, is the muskmelon

    臺十七線省道貫穿七股鄉，道路以西為鹽田與數千公頃的海水魚瘟養殖區，以東則是農作為主，但七股的土壤鹽分含量重，一般農作物收成欠佳，唯有耐鹽的洋香瓜一枝獨秀，成為七股鄉的名產，品種包括七股香藍寶石紅寶石翠蜜等，多數都有十四度以上的甜度。
  7. Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last

    本文採用因素法定量化評價各地塊定級單元的相關性和權重性，最終選定了有機質含量、土層厚度、土壤質地、鹽堿化程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位，土地利用方式等因子作為定級的指標，使用了加權加和因素法進行了的定級計算，逐步完成了農用地質量情況的評價，劃分出了級別。
  8. 4. through field experiment, the effect of different irrigation quota on soil water and salt movement was studied under saline water irrigation. the suitable irrigation system were further discussed

    在田間微鹹水（ 2 . 5g l ）灌溉條件下，研究不同灌水定額對土壤水鹽運移規律和西安理工大學碩士學位論文作物產量的影響，並進一步探討了灌區適宜的灌溉制度。
  9. The job of agricultural drainage is to accelerate removing of the excessive water and salt in soil, control the underground water table at favourable depth, so that it can assure crops growing well and avoid salinization

    農田排降任務是加速排除土壤中過量的水分及鹽分，控制地下水位在適宜的深度，保證作物的正常生長及防止土壤返鹽。
  10. A causal diagnosis is conducted on the yellows of machilus thunbergii by means of the soil - plant chemical analysis, enzyme diagnosis, and field experiments, which grow in the saline - alkali soil at zhujiajian nursery stock base

    摘要採用土壤植物化學分析、酶學診斷和田間試驗對舟山市朱家尖苗木基地鹽堿地土壤紅楠黃化成因進行了研究。
  11. It is a serious issue that water and nitrogen input rates are unreasonable high in vegetable production in china, which may increase nitrate accumulation in vegetable and ground water contamination. in result, these will be harmful to people ' s health. the objectives of this paper which based on column % pot and micro - plot experiments were to compare the effects of different water and nitrogen supply strategies on nitrogen leaching in the soil profile and nitrate accumulation in vegetable as a base for the n and water recommendations in vegetable production

    針對蔬菜生產中水氮投入過量造成蔬菜品質下降、地下水硝酸鹽含量超標，水、肥資源的浪費以及給人體健康造成的潛在性威脅的實際情況，以油菜和芫荽為研究對象採用模擬土柱、盆栽和田間微區試驗相結合方法系統監測了蔬菜生育期內硝酸鹽含量的動態變化以及收獲后不同土層土壤硝態氮的殘留量，研究了水氮對蔬菜硝酸鹽累積的影響及對土壤硝態氮殘留的效應。
  12. A preliminary study was carried out on the method of acquiring parameters for soil dual - porosity model and the analysis for the simulation of soil nitrate leaching by dual - porosity model. the feasibility and experimental conditions of soil particle size analyzing by the laser particle - size analysis was discussed, based on the comparison results of nine soil samples by the laser particle - size analysis and traditional pipette and sieve analysis

    本文初步探討了土壤兩域模型的參數獲取方法及兩域模型應用於土壤硝酸鹽淋洗的模擬分析，為進一步研究優先流以及分形理論在土壤溶質（包括養分）運移研究中的應用打下基礎，以更準確地模擬和預測農田土壤硝酸鹽的淋洗，為農田水肥優化措施提供依據。
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