arid soil 中文意思是什麼

arid soil 解釋
乾旱區土壤
  • arid : adj. 1. 乾旱的；貧瘠的，荒蕪的。2. 枯燥無味的。adv. -ly
  • 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. Soil caco3 eluviation and deposition process is the most important development and evolution process of soil, from parent material to mature soil in the loess plateau, arid and semiarid area

    土壤碳酸鈣（ caco _ 3 ）的淋溶淀積過程是黃土高原以及乾旱和半乾旱地區土壤形成發育的主要過程之一，也是地球化學過程的主要內容。
  2. Effects of mulching on grapery soil in arid desert area

    乾旱荒漠區不同覆蓋對釀酒葡萄園土壤的綜合效應研究
  3. Indicatory function of soil moisture of undergrowth vegetations in the robinia pseudoacacia forests with different densities in semi - arid region on the loess plateaus

    林下植被對半乾旱區不同密度刺槐林地土壤水分環境的指示作用
  4. 4 the optimal water niche of m. h and m c are wetter than middle soil water content, belongs to mesophytes ; the optimal water niche of mosla scabra, on photosynthesis is more wetter than that of m. h and me, the optimal water niche between mesophytes and hygrophytes, and leaning to hygrophytes ; the photosynthetic water condition of m. d is arid environments, and its ecotype exits between mesophytes and xerophytes, and leaning to xerophytes. 5 m. h and m. s are locating between shade plants and sun plants, while m. c and m. d obviously belong to sun plants

    4 、杭州石薺?與華薺?光合的最適水分條件是中等偏濕，其水分生態類型應屬于中生植物；石薺?光合的最適水分條件比杭州石薺?與華薺?光合的最適水分條件要求更濕，其水分生態類型介於中生和濕生植物之間，更偏向濕生；小魚仙草光合作用的水分生態條件是乾旱條件，其水分生態類型介於中生與旱生植物之間，更偏向旱生。
  5. Rendzina a type of brown earth soil typical of humid to semi - arid grasslands over calcareous rocks. the rendzina is rich in lime and has an upper humus - rich horizon

    黑色石灰土：一種褐色的土壤，其特徵為潮濕的半乾旱的草地上覆蓋著石灰質的巖石。其富含有石灰和較高量的腐殖質。
  6. The former is applied to the ecotype of damp and semi - damp soil and irrigated or half - shaded land in arid and semi - arid area, while the latter was suitable for the ecotype of dry - farming land of semi - arid area

    在濕潤、半濕潤生態類型區和乾旱、半乾旱生態類型區的水澆地、二陰地，應用「增溫說」 ；在半乾旱生態類型區的旱作田，應用「調水說」 。
  7. Beginning from 1999, the chinese government initiated a massive conservation set - aside program called " grain for green program " to reduce soil erosion and improve eco - environmental status in western china through the retirement of sloped agricultural lands and conversion to forest arid pasture

    摘要1999年我國政府啟動了「退耕還林」這一世界最大的生態保護工程，旨在改善生態環境，控制水土流失，調整農業產業結構，促進農村經濟的持續發展。
  8. The maximum of instantaneous global radiation is beyond 1000w / m2 and the ten - days average intensity is 338. 90w / m2 because of high atmospheric transparency over semi - arid rainfed agriculture region of loess plateau between june and august. global radiation, reflected global radiation and surface long wave radiation emerge the characteristic of daily variations on a typical clear day and cloudy day, whereas atmospheric long wave radiation has not this characteristic. meanwhile, net radiation, latent heat flux sensible heat flux and soil heat flux appear the same characteristic as the mean daily variations above spring wheat field and bare soil on a typical clear day and cloudy day

    黃土高原半乾旱雨養農業區夏秋季大氣透明度較高，晴天地面的總輻射值最大瞬時值均超過1000w m ~ 2 ， 6 8月總輻射旬平均強度為338 . 90w m ~ 2 ；典型晴天和陰天總輻射、反射輻射、地表長波輻射均表現出明顯的日變化特徵，而雨天沒有明顯的日循環規律；無論是晴天、陰天還是雨天，大氣長波輻射基本沒有明顯的日變化規律。
  9. These plants will not root in such arid soil

    這種植物在這種貧瘠的土地上不會生根。
  10. By the crop residue input, priming effects of soil irjcrobe will take place, and decomposition and bio - fixation give rise to soil organic matter arid m in the up layer of soil. on the other hand, tillage accelerate ; ; the organic matter mineralization and leads to the quantity of organic matter decreasing in. or 10cm. layer which is about 1 / 2 of soil organic matter under no - tillage

    覆蓋免耕使土壤上層的有機質和氮素穩定增加，這主要來自被激發的微生物繁殖時對碳和氮的生物固定，而傳統耕作則由於耕翻加速了有機物的礦化， 0 - 10cm土層微生物碳含量均一，其數值幾乎為免耕系統的一半。
  11. Conservation tillage is an effective method to prevent soil from wind and water erosion in northern arid regions of china

    該地區採用保護性耕作技術，可以有效地抵禦春旱、控制風蝕、防治沙塵暴、提高產量和培肥地力。
  12. Desert and oasis ecosystem are the main ecosystems in arid area. studying the characteristics of decaying process, decaying remainders and soil humic acids can accumulate the first hand data for studying the accumulation and decomposition of soil organic matter, the situation of soil fertility, substance cycling and energy flowing in desert - oasis ecosystem, and has the great significance on desert ecosystem restraint and oasis ecosystem extension

    研究荒漠綠洲生態系統中植物殘體在土壤中的腐解過程及腐解物和腐殖物質的特徵，可為研究荒漠綠洲生態系統中土壤有機質的累積和分解、土壤肥力狀況和荒漠綠洲生態系統的物質循環和能量流動積累寶貴的第一手資料，對于抑制荒漠生態的惡化，促進綠洲生態的發展具有重要意義。
  13. Conservation tillage method is being adopted and extended gradually at the present time in northern arid and semi - arid regions of china as a effective method to solve those problems in crop production, like poor grain yield, limited utilization ratio of precipitation, serious soil erosion and low mechanization level

    針對我國北方旱農地區糧食產量低而不穩、土壤侵蝕日趨嚴重、機械化水平不高等普遍性問題，目前正逐步推行保土保墑的保護性耕作方法。
  14. In the arid and semi - arid region, matrix potential of soil water diversifys intensively in aeration zone, so there is good environment for zero flux potentials to develop

    結果表明：在干早和半乾旱地區，水土勢在包氣帶中變化強烈，具有良好的零通量面形成環境。
  15. We analyzed the alternative in functional phenotypic plasticity responding to variational entironments, consequently, we interpreted the difference between endangerment and wide - distribution of these closely related species, and the results showed : 1 all of the daily changes of photosynthetic rate responding to different water status show " double apices " except m. d, the daily changes of photosynthetic rate in m. d shows " simple apices " responding to arid soil water content, while " double apices " responding to the other soil water content. emerging time of daily maxim of pn is difference between species and between treatments. daily course of transpiration and stomatal conductance of these for species all show " double apices ", but the emerging time of daily maxim of transpiration rate and stomatal conductance rate are all different between species

    結果表明： 1 、除小魚仙草外，四物種的光合速率日變化在不同水分梯度下均表現出「雙峰型」 ，小魚仙草的光合速率日變化在於旱時表現出「單峰型」 ，其餘水分梯度下表現出「雙峰型」 ，種間和梯度間日最大光合速率出現時間有一定的差異；四物種蒸騰速率和氣孔傳導力日進程也表現出「雙峰型」 ，但種間日最大氣孔傳導力和蒸騰速率出現的時間也存在一定的差異。
  16. This research was conducted to : ( 1 ) understand the characteristic and pattern of trickle source infiltration, ( 2 ) study mulched crop evapotraspiration for cotton and corn in a arid climate sandy loam soils. according to the researches of the dissertation, the main results are as follows : ( 1 ) the shape of wetted soil volume is influenced by soil texture, discharge rate and the total volume of applied water in case of trickle source infiltration

    本文以粘壤土為研究對象，對微源入滲特性規律進行了系統的室內試驗研究，並且對膜下滴灌大田作物棉花和玉米的需水規律進行了野外試驗，得到了以下幾點結論： （ 1 ）地表微源入滲土壤濕潤體的形狀受到土壤質地、供水強度和灌水時間的影響，一般為半個橢球體。
  17. 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
  18. The research of the subject had study thoroughly the using situation of the water and soil of ejina oasis in the downstream of the inland river in the arid area. and it had get the experience and test of the use of water and soil through study the past material. and it had make it known that the decrease of the runoff volume from headwater, the excessive cultivation area and serious waste of water are reasons for desert soil and ecotope deterioration

    本文在對位於乾旱區內陸河下游的額濟納綠洲水土資源開發利用現狀，進行全面研究的基礎上，總結了近五十年額濟納綠洲水土資源開發利用的經驗和教訓，找出了存在的問題：上游來水減少，過度開墾，水資源浪費嚴重，土地荒漠化加劇，生態環境惡化。
  19. With the moisture data gathered in demonstration district 3 years, combining local rainfall information and materials, the operation recovery mechanism of soil moisture in semi - arid degraded mountain area by different ecological recovery and reconstruction measures is analyzed

    摘要通過示範區3年採集的水分數據，結合當地的降雨資料和氣象資料，對比分析了半乾旱退化山區在不同生態恢復與重建措施下土壤水分的運行恢復機制。
  20. No crops will grow in arid soil

    任何農作物都不能在乾涸的土壤中生長。
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