cultivated soil 中文意思是什麼

cultivated soil 解釋
耕種土壤
  • cultivated : adj. 1. 在耕種[栽培]中的。2. 有修養[教養]的，文雅的。
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  1. Quantitative model to estimate soil erosion rates using caesium - 137 for cultivated soil

    示蹤農業耕作土壤侵蝕速率的定量模型
  2. 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
  3. Article 24 the local people ' s governments at various levels sha1l organize agricultura1 collective economic organizations and farmers to manage in a planned way the cultivated land with a slope of above 5 degrees but under the reclamation - forbidden degrees, by taking in line with different conditions such water and soil conservation measures as regulating drainage systems, building terraced fields, and practicing a method of cultivation conducive to water and soi1 conservation

    第二十四條各級地方人民政府應當組織農業集體經濟組織和農民，有計劃地對禁止開墾坡度以下、五度以上的耕地進行治理，根據不同情況，採取整治排水系統、修建梯田、蓄水保土耕作等水土保持措施。
  4. Lindane ddt deltamethrin and carbofuran to exert a certain influence to soil nematode density, nematode community structure in being cultivated in a pot and experimental, but not a decisive factor

    林丹、 ddt 、溴氰菊酯和呋喃丹對模擬實驗中的土壤線蟲密度、線蟲群落結構產生一定影響，但不是決定因素。
  5. 3. it is exert through cultivated in a pot experiment cultivation for two month lindane and ddt original pesticide experiment after two month to get soil examine appearing value very low to find to observe. soil sampled form j and n farm which have used lindane and ddt for 40 years, the analysis result showed that the residue of the two pesticides are very high. lindane remains and reaches as high as 996. 06 g kg - 1, and ddt is 3382. 75 g kg - 1 4

    經過盆栽實驗兩個月的培養觀察發現施加到土壤中的林丹與ddt原藥在兩個月的實驗后檢出值較低具有使用林丹、 ddt四十年歷史的北京近郊j 、 n農場中兩種農藥殘留較高，林丹殘留最高可達： 996 . 06 g ? kg ~ （ - 1 ） ， ddt殘留最高可達： 3382 . 75 g ? kg ~ （ - 1 ） 。
  6. The best way to undo the problem of soil erosion is to reforest the cultivated land

    解決水土流失問題的最好辦法是退耕還林
  7. Some particular measures to be taken are as the followings : ( 1 ) to establish a uniform harmony mechanism in the river basin in order to have a general plan for wetland protection and utilization ; ( 2 ) to combine the existing protection districts according to lake drainage area and species distribution, and to construct new wetland protection region in order to solve problems in management districts ; ( 3 ) to develop wetland restoration and reconstruction ; ( 4 ) to carry out reforesting in formerly cultivated land and to construct shelter forest of the yangtze river in order to control soil erosion and to preserve the water resource ; ( 5 ) to protect and utilize reasonably the wetland resources in the middle and lower reaches of the yangtze river ; ( 6 ) to strengthen the research of wetland science

    具體可採取以下措施：在流域內建立統一協調機制，對流域濕地進行保護與合理利用，合理布局，統一規劃；按湖泊流域和物種分佈整合現有保護區，建立新的濕地保護區，解決目前管理上的制約問題；大力開展濕地修復重建；推進退耕還林、長江防護林等工程建設，發揮森林治理水土流失、涵養水源的作用；在保護的前提下科學合理地利用長江中下游濕地資源，開拓新的生產力；同時加強濕地科學研究。
  8. We have extended our research on rocky desertification, provided solid theoretical and technical basis for the control of rocky descrtification and established successful rehabilitation model with chinese characteristics such as integrated control of small drainage area, returning cultivated land to forestry and grass, production of both animal and grass, changing slope to terrance in order to prevent water loss and soil erosion, aiding the poor byway of environmental immigration and development and improving representative fragility ecology, etc

    貴州對喀斯特石漠化生態環境進行了長期、持久的研究，為石漠化治理提供了堅實的理論基礎和有力的技術支撐，形成了具有中國特色的成功治理模式：包括小流域綜合治理模式，生態農業模式，退耕還林還草、林草結合的草、畜（禽）生產模式，草地畜教業模式，坡耕地防治水土流失的坡改梯模式，環境移民與開發式扶貧模式，典型脆弱生態環境綜合治理模式等。
  9. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 ）耕作制下紫色土的產流主要機制是： 1 ）當雨前土壤含水量未達到飽和狀態時，表面產流起始時間有明顯滯后現象，這與紫色土的快吸水性和較多非毛管孔隙密切相關；當雨前土壤較乾燥，降雨初期雨強較大時，易形成臨時相對不透水表層，表面產流峰也有明顯滯后現象。 2 ）表面徑流的產流方式主要是超滲產流，當土壤達到飽和狀態后，有四川大學博士學位論文小部分回歸流發生，但主要是飽和超滲產流發生，因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 ）壤中流主要是飽和產流，與降雨過程有明顯的滯后，而且雨停后的壤中流產流歷時與降雨特徵無關。
  10. 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

    本文首先對肥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肥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天分別檢測以上指標，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，以評估肥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力，且光照對其分佈起了決定性的作用。
  11. The results show that the interface between the cultivated layer and the plough sole in the soil profile was undulated under the current cropping system mainly using small - sized four - wheeled tractors and flat under the cropping system of deep plowing annually in the fall

    結果發現，現行的以小四輪拖拉機為主要動力的耕作制度下，土壤剖面中耕層與犁底層的界面為「波浪型」 ，而年年進行秋翻的玉米田，其耕層與梨底層的界面為「平面型」 。
  12. Results showed that by using straw and plastic film dual mulch in dry - cultivation of rice planting, both of the range of temperature difference and the loss of water in dry - cultivated field of rice were decreased, the soil structure was improved, the soil nutrient contents were increased, the ineffective tillers of rice plant were decreased, the growth and development stage were advanced, the filling stage was extended, the grain per ear and 1 000 grain weight were raised, the grain yield of rice increased obviously

    水稻秸稈+地膜二元覆蓋旱作栽培效應的研究結果表明，秸稈+地膜二元覆蓋旱作稻田土壤變溫幅度降低，水分散失減少，結構改善，養分積累增加；水稻無效分蘗減少，生育轉變提前，灌漿結實期延長，穗大粒多，千粒重高，增產效果顯著。
  13. Effect of nitrogen application on the senescence of flag leaf and yield of rice cultivated in aerobic soil

    氮肥運籌方式對旱作水稻衰老及產量的影響
  14. During wheat and barley bred in winter in sanya, some technological characteristics concerned must be wielded according to the ecological conditions there. 1 ) carefully select materials and avoid planting the materials that can not head in sanya. 2 ) cultivated measure : spread lime before ploughing ; and make furrows during soil preparation. spread funandan in sowing furrows. after every irrigation and heavy rains, surplus water must be drained off immediately and soil must be intertilled in time. it is also a key measure in breeding in winter to prevent and eliminate the plant disease, pest and mice during plant growing period. 3 ) the flowering period of parent for hybridization must be adjusted. 4 ) the criterion for each trait selection to breeding materials should be soften to different degrees

    在三亞冬繁麥類時，應根據當地生態條件掌握好有關技術特點：慎重挑選冬繁材料，盡量避免攜帶可能在三亞不抽穗的材料；栽培措施應注意耕翻前撒施石灰，整地需開廂起壠，播種溝先撒呋喃丹，灌水及大雨後要排除余水，及時鬆土，生育期間注意防治病蟲鼠害；雜交親本應注意調節花期；對育種材料各性狀的選擇標準都要不同程度地放寬。
  15. This paper adopts the land use state in2000a ( l : 3 + 104 ), the soil chart ( 1 : 6 + 104 ) and hectometer contour relief map ( include three chongqing area ) of chongqing and geology map ( l : 6 + 104 ) of sichuan province as basic analytical data, measure landscape patches into 7 types including cultivated land, orchard, forestland, unused land, grassland, resident and industry land, water bodies according to land use state basing on land use types, make the landscape map of chongqing karst area by gis software

    本研究是以重慶市1 ： 30萬的土地利用現狀圖（ 2000年版） 、 1 ： 60萬的土壤圖以及重慶市百米等高距的地形圖和四川省（包括重慶市） 1 ： 60萬的地質圖作為基本分析圖件。在土地利用類型的基礎上，依據土地利用現狀劃分了耕地、園地、林地、未利用地、草地、居民工礦用地和水域7類景觀嵌塊體類型，再藉助于gis軟體生成重慶巖溶區景觀圖。
  16. 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
  17. Aerodynamic roughness of cultivated soil and its influence on soil erosion by wind in a wind tunnel

    耕作土壤表面的空氣動力學粗糙度及其對土壤風蝕的影響
  18. A study on the variation and forecasting models of groundwater level and draining waterlogging in cultivated soil layers in the jianghuai valley

    江淮流域地下水位變化規律及預報模型與耕作層排漬模型研究
  19. Forest covered every portion, except here and there a strip of cultivated soil.

    森林覆著四野，耕地零星可見。
  20. 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
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