耕地土壤 的英文怎麼說

中文拼音 [gēngdetǔrǎng]
耕地土壤 英文
arable soil
  • 耕 : 動詞1. （用犁翻地） plough; plow; cultivate; till 2. [書面語] （謀生） make a living
  • 壤 : 名詞1. （土壤） soil 2. （地） earth 3. （地區） area 4. （姓氏） a surname
  • 耕地 : 1 （用犁把土翻鬆） plough; till 2 （種植農作物的土地） cultivated land [fields]; farmland; tilth;...
  1. The discussion on models for estimating soil erosion rates from caesium - 137 measurements on cultivated land

    示蹤農耕地土壤侵蝕速率模型的比較研究
  2. 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。
  3. Experimental research of soil compaction by wheat reaping machine in no - tillage field

    小麥收割機對免耕地土壤壓實的試驗研究
  4. Comprehensive evaluation of soil fertility for cultivated land based on gis and soil basal niche - fitness model

    土壤基礎生態位適宜度模型在耕地土壤肥力綜合評價中的應用
  5. The results indicate that the spatial pattern of soil erosion is related to the slope land shape. it has clear vertical and horizontal distribution features

    研究表明，坡耕地土壤侵蝕強度的空間分佈與地形因素密切相關，具有明顯的垂直分佈特徵和水平分佈特徵。
  6. The soil erosion has become more and more intensive horizontally from the ridge to the center of the shallow gully. the soil erosion intensifies, and then weakens vertically from the divide to the edge of the gully

    在水平方向上，由淺溝分水脊經淺溝溝坡到淺溝中心， 7be和』 37cs復合示蹤坡耕地土壤侵蝕產沙的空間分佈特徵土壤侵蝕強度逐漸增強;在垂直方向上，從分水嶺到溝緣線土壤侵蝕強度呈先加強后減弱的趨勢。
  7. The content of fixed ammonium, capacity of fixing - ammonium, available fixed ammonium, kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling, laboratory incubation and analyses. the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment

    本文通過野外調查取樣、室內培養試驗和分析測定，研究了湖南省主要旱耕地土壤的固定態銨含量、固銨容量、有效性固定態銨含量以及土壤對銨離子的礦物固定和土壤固定態銨釋放的動力學特性，通過田間小區試驗，研究了不同施肥結構下土壤固定態銨在黃花菜生長期間的動態變化規律及其生物有效性。
  8. The soil erosion intensifies, and then weakens vertically from the divide to the edge of the gully, apart from the central section of the land because there is a ridge

    坡面中部侵蝕相當嚴重，分水嶺與溝緣線附近相對較輕。地形因子中的坡度是形成坡耕地土壤侵蝕垂直分異格局的主要影響因素。
  9. Based on the theory and method of soil water - dynamics and soil erosion, using the simulated rainfall and double - ring methods, the author systematically studied the soil infiltration law in the slope land of loess plateau

    本文以陜西淳化黃土高原溝壑區和安塞黃土丘陵溝壑區為研究試驗區，應用土壤水動力學和土壤侵蝕學的原理與方法，藉助人工降雨裝置和雙環裝置，通過野外大量試驗與室內分析及計算機模擬等方法，系統地研究了黃土坡耕地土壤入滲規律。
  10. Evaluation of soil quality of arable land in cixi city, zhejiang, china

    慈溪市耕地土壤環境質量現狀及其評價
  11. Distribution and evaluation of heavy metals in cultivated soil of guiyang

    貴陽市耕地土壤重金屬分佈特徵及評價
  12. Potassium status of arable land and effect of potassium fertilizer at kuandian county

    寬甸耕地土壤含鉀狀況及施鉀效果
  13. Dynamic of soil anti - scourability on slope cropland in loess hilly region

    黃土丘陵溝壑區小流域坡耕地土壤抗沖性試驗研究
  14. Research on soil infiltration law of slope farmland in gully area of loess plateau

    黃土高原溝壑區坡耕地土壤入滲規律研究
  15. Effects of soil erosion on the soil properties in slope cropland of northern shaanxi

    陜北坡耕地土壤侵蝕對土壤性質的影響研究
  16. Soil loss tolerance of sloping field in semi - arid hilly - gully area of loess plateau

    半乾旱黃土丘陵區坡耕地土壤容許流失量研究
  17. Redistribution patterns of black soil in hillslope landform of northeast china : a 137cs study

    技術研究黑土坡耕地土壤再分佈特徵
  18. Spatial variability of heavy metals in soil of three - gorges reservior in chongqing

    重慶三峽庫區耕地土壤重金屬含量的空間變異性研究
  19. 2. on the basis of analyzing experimental data for slope land of loess plateau in different slope gradient and rain intensity and soil and water conservation tillage measures, using curve - fitting techniques, a soil infiltration rates model was woke out, the accuracy of the model is tested by a series of experiment data, the result of these indicate that the soil infiltration rates model is accurate and has good stability for slope land of loess plateau. 3. using soil infiltration rates and runoff time and wetting frontal surface depth of soil infiltration reflect effect of factor affecting soil infiltration rates

    （ 3 ）採用土壤穩定入滲速率、坡面開始產流時間、土壤濕潤鋒面下滲深度三個指標來反映坡耕地土壤入滲影響（土壤性質、土壤初始含水率、地面坡度、降雨強度、積水深度、水土保持耕作措施等）因素效用大小，建立了各因素與三個指標的關系模型，詳細分析了不同水土保持耕作措施強化土壤入滲的影響，其中等高耕作作用最為顯著，其次是人工掏挖和人工鋤耕。
  20. For the cultivated study field, the 137cs concentration is relatively uniform within the plough layer. 2. the difference and sameness among the existing l37cs models have been discussed, and their precision have been validated by comparing with the regressive model of soil erosion

    分析了~ （ 137 ） cs示蹤農耕地土壤侵蝕速率模型間的異同，並以土壤侵蝕的經驗回歸模型為參照對~ （ 137 ） cs法計算的土壤侵蝕速率進行驗證。
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