有機礦質土壤 的英文怎麼說
中文拼音 [yǒujīkuàngzhítǔrǎng]
有機礦質土壤
英文
organic mineral soil- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 機 : machineengine
- 礦 : 名詞1. (礦床) ore [mineral] deposit 2. (礦石) ore 3. (開采礦物的場所) mine
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 壤 : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
- 有機 : organic organic
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The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。The soil factors affecting the capacity of fixing - ammonium in tested soils were mainly parent material, soil clay composition, ph, cec, organic matter, available n and concentration of nh4 + in soil
其影響因素主要有成土母質、粘土礦物組成、土壤陽離子交換量、 ph值、有機質含量、堿解氮含量和土壤溶液中銨離子濃度等。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。Soil quality - laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions iso 14239 : 1997
土壤質量.在需氧條件下土壤中有機化合物礦化的測量用On the 90th day, the content of organic matter of soil samples under illumination condition was 2 - 3 times more than that of the beginning. ( 4 ) micro - algae can decompose organic phosphorus into inorganic phosphorus and increase the content or the potential content of soil available phosphorus. ( 5 ) theoretically, because of some micro - algae ' s nitrogen fixation, the sterile soil ' s content of nitrogen should increase, but in 90 days, its increment could not be determined
( 3 )土壤微藻通過光合作用將二氧化碳合成為有機物,增加土壤的有機質含量,在90天的實驗期內,有微藻生長的土樣內的有機質含量是對照組的2 - 3倍。 ( 4 )土壤微藻作為溶磷微生物之一能夠將有機態磷礦化成無機態磷,增加貧瘠土壤有效磷的含量或潛在的含量。The soil organo - mineral complexes, formed by intimate association of organic matters or humic substances and mineral, is one of the fundamental features that distinguishes soils from their geological parent materials, and effects on the nature of soil aggregate, and the amounts and characters of soil particle aggregation is closely related to soil fertility. by way of collecting soil samples outdoors and analysis indoors and using the dry land soils developed from purple soils as research materials, this paper investigated status of organo - mineral complexion, characters of aggregation and soil fertility for discussing the relationship among them under different land treatments, and the factors that influencing the amounts and characters of organo - mineral complexion and soil aggregation and restricting status of soil fertility, the main results were as follows : there were remarkable differences of status and activity of fe oxide and aluminum oxide in dry land soils developed from different parent soils and under different utilizations
土壤中有機物質和礦物質的結合?土壤有機無機復合體是土壤區別其母質的基本特徵之一,它對土壤團聚體的性質有很大的影響,而團聚體的數量和性狀有跟土壤肥力密切相關,本文以不同母巖發育的旱地紫色土作為研究材料,通過野外采樣和室內分析,研究了旱地紫色土的有機無機復合狀況、團聚體特徵和肥力水平,探討了在不同土地利用方式下它們之間的關系,以及影響有機無機復合、土壤中團聚體的數量、性質以及制約土壤養分狀況的因素,主要結果如下:不同類型的紫色土鐵鋁氧化物形態和活性具有很大差別。Variaton of combined humus in soil organo - mineral complexes in process of gras sland restoration
退化草場恢復時土壤有機礦質復合體中結合態腐殖質變化The soil organic content in the topsoil decreased with increase of artificial forest age. because the total n and alkali - hytrolyzable n were from mineralization of soil organic matter, their content in the artificial forest decreased with the decrease of soil organic matter
在土壤化學性質方面,各林地土壤有機質含量表層大於底層,人工雲杉林土壤表層有機質含量隨著撫育林齡的增加而降低,土壤中全氮、堿解速效氮主要來源於土壤中有機質的礦化,其含量隨有機質的減少而降低。Soil quality - biological methods - effects of pollutants on microbes - laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions
土質.生物法.污染物對微生物的影響.在有氧條件下土壤有機化合物礦化測量用實驗室孵育系統3. there were close relations between soil avail. p and the three indices, total p, o. m and mineral particles of 0. 02 ~ 0. 002mm in diameter, according to correlation analysis, path analysis and stepwise regression
通過相關分析、通徑分析和逐步回歸分析,發現土壤速效磷與全磷、有機質、 0 . 02 0 . 002mm礦質顆粒這三項指標關系比較密切。分享友人