purple soil 中文意思是什麼

purple soil 解釋
紫色土
  • purple : adj 1 紫色的;紫紅色的;〈古語〉深紅色的。2 〈詩〉鮮紅的,血腥的。3 帝王的。4 詞藻華美的。 n 1 紫色...
  • 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. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明:土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層,與紫色土類型和利用方式無關;三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層,表明紫色土表層的有機質和通氣性優于亞表層,適宜於這三大類微生物生長;溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢,唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層,而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  2. Utilization methods influenced aggregation degree of microaggregate of purple soil, the aggregation degree were in such order : grassland > forestland > garden plot > cropland, aggregation degree of microaggregate in soil developed from jas group was least, and that of j3s group was maximal

    紫色土微團聚體團聚度受利用方式影響較大,團聚度次序表現為草地林地園地耕地,沙溪廟組發育土壤微團聚體的團聚度最低,遂寧組最高。
  3. As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability

    龍須草能改善紫色土荒坡地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量;增加土壤含水量和貯水量,減緩和減少土壤的水分蒸發,增強土壤的抗旱能力;降低土壤盛夏的地表最高溫度,減少地表溫度變化幅度。
  4. In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1

    本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的生態環境,從紫色土荒坡地水土流失治理入手,在尋求出既適應紫色土荒坡地惡劣環境又有良好水土保持作用和一定經濟效應的作物? ?龍須草的基礎上,用定性和定量相結合的方法,以「龍須草純種」 、 「龍須草與果樹立體種植」 (簡稱林草立體種植,下同) 、 「空曠地」 、 「自然野生雜草地」四種不同的土地利用方式進行對比研究,從水土保持效應、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的效應,並對其機理進行了初步探討,主要研究結果如下: 1
  5. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重,減少土壤砂粒含量,增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比,以及增加粉粒含量,從而降低土壤分散度,提高土壤團聚性,增加土壤團粒結構數量,改善土壤的透水性,促進良好土壤結構的形成,最終提高土壤的蓄水保肥性能,增強土壤的抗蝕性和抗沖性。
  6. Purple soil classified as regosols in fao soil taxonomy and pup - cambols in china soil taxonomy, is one of well known soil types with the particularities such as weathering easily, high natural fertility, etc., and feeding population of 500 / km2. however, it often meets the water disasters ( sporadic flooding and serious seasonal drought )

    摘要紫色土是世界上一種特殊的土類,集中分佈於四川盆地,以其易成土性和富鹽基性(自然肥力高)養育著500人以上平方公里的人口而著稱於世,但是它分佈的區域存在嚴重的季節性乾旱和時有發生的洪災等水問題。
  7. With the purpose of better understanding some weak links in this subject, we comprehensively and systematically compared the effects of some typical inhibitors and their different combined ways in inhibiting cd bioavailability in purple soil, further studied the laws and affecting factors of cd ' s transfer and transformation in soil - plant system, revealed the mechanisms inhibitors function, and explored the practicable inhibitor prescriptions and their usage. the results are expected to provide reliable techniques for controlling cd pollution of agricultural soils in chongqing and it is also significant to ameliorate soils polluted by other kinds of heavy metals. comprehensive methods including pot experiment, laboratory culture experiment, kinetic and thermodynamic adsorption - desorption experiment were adopted in this study, and the acidified purple soil was chosen to test, considering that cd is highly active in this soil

    本研究針對重慶市農業土壤的污染狀況,選取鎘活性較高的酸化紫色土為供試土壤,採用盆栽試驗、培養試驗、化學熱力學與動力學吸附試驗相結合的方法,系統研究和比較多種調控劑及其不同組合方式對鎘生物活性的效應,並揭示鎘在土壤?植物系統中的遷移轉化規律及影響因素,進一步分析調控劑的作用機理,探尋具有實際應用價值的調控劑配方及合理使用的方法,這不僅可以為重慶市農業土壤鎘污染的防治提供可靠的技術保障,而且對于其它重金屬污染的治理也有一定的理論意義。
  8. The aim of the research was to probe into the course in which the different plants and different cropping patterns in the purple soil area can prevent the loss of soil and water and improve the soil fertility and the ecological environment, further to offer reference for improving the cropping structure and agricultural ecological environment

    研究目的在於探討紫色土丘陵區不同作物及不同種植方式對防治水土流失、提高土壤肥力、改善生態環境的作用,從而為區域內優化種植結構、改善農業生態環境提供參考。
  9. The basic fertility characteristics, and soil microbes and the relationship between them were investigated on paddy fields of purple soil, where no - tillage and ridge culture had been practiced for twelve years. the advantages and disadvantages were contrasted among five culture modes ( conventional culture, no - tillage and fallow in winter, no tillage and ridge culture, no - tillage and box culture, and the rotation of paddy and upland )

    通過對12年免耕的稻田的土壤微生物和基本肥力特徵研究,找出二者之間的關系,指出免耕耕作方式養分增加、肥力提高的主要原因是作物秸稈的加入以及免耕改變了土壤的水、熱、氣、肥條件,並因此而探索影響秸稈分解的因子,找出微生物種類和有機、無機肥料的更好搭配。
  10. 3 ) the moisture changing processes at various location of a slope purple soil are obvious different : at up - location, soil moisture reduce more rapidly, therefore, drought will easily response to it at which the principle of often and little irrigation should be adopted

    3 )同一塊紫色土坡耕地內,土壤水分的時空變化有較明顯的差異。地塊上部,耕層土壤含水量遞減較快,因此,表現出較易受旱的情況,應採取少量多次的灌溉原則。
  11. Soil fertility restoration on degraded upland of purple soil

    紫色土退化旱地的肥力恢復與重建
  12. Screening of arbuscular mycorrhizal fungi with high ecological adaptations in purple soil

    灰棕紫泥土中具生態適應能力叢枝菌根真菌的篩選
  13. Study on k adsorption - desorption kinetics of purple soil

    吸附解吸動力學研究
  14. Furthermore, corresponding countermeasures were put forward. 4. seven types of soil, yellow soil, purple soil, red soil, limestone soil, and alluvial soil and paddy soil are scattered in this district

    該區有黃壤土、紫泥土、紅壤土、黃棕壤土、石灰巖土、沖積土、水稻土等7個土類,其中黃壤占總面積的80以上。
  15. The water and soil conservation effect of plating sabaigrass in purple soil bare sloping field is excellent

    因此,紫色土荒坡地種植龍須草的確具有較好的水土流失防治效應。
  16. For this reason, our objective is the research of the mechanism of runoff generation and characteristics of moisture changing process of slope farming purple soil, accordding to the theory of hydrology and the intergrated - means of compined the hydrology with the peodology, because it is the basis of the studies : soil erosion and protection, farming - land water balance, non - point pollute, etc., and the direction gist of runoff arrange implement, solving water hazard and management of irrigation and fertilizer

    綜觀國內外有關研究,我們認識到對紫色土土壤產流和水分變化特徵的認識,是認識該區土壤侵蝕與保護、農田水量平衡、非點源污染等的機理和規律的基礎,也是解決該區水患問題、實施徑流調節而提高旱地的雨水利用程度,以及水肥管理等的基本科學依據。因此,以水文學原理為基礎,採取水文學與土壤學、地理學、水土保持學等相結合的途徑,研究紫色土坡耕地的降雨產流機制與產流後土壤水分的變化特徵,是具有新的科學價值和現實意義的。
  17. Response of sediment flow behavior to storm type and spatial scale in purple soil watershed

    紫色土區小流域泥沙輸出過程對雨型和空間尺度的響應
  18. Effects of spatial scaling on the runoff - sediment - yielding of the purple soil region in sichuan

    四川紫色土地區流域侵蝕產沙空間的尺度效應初探
  19. Relationship between organo - mineral colloidal complex and fertility of purple soil

    無機復合體與土壤肥力的關系
  20. The sampling area lies in jiangjin city, where is undulating topography, purple soil and paddy field soil account for most of its soil types, the status of land use are paddy and dry land

    本次試驗的采樣區位於江津市,為低山丘陵地貌,土壤類型主要為紫色土和水稻土,土地利用現狀主要為水田和旱地。
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