English translation for "argic horizon"
|
- 黏化层
Related Translations:
- Example Sentences:
| 1. | 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 研究结果表明: 1太白山南坡土壤的主要理化性质随海拔高度的上升呈有规律的变化:随海拔高度上升,机械组成由粉粒砂粒粘粒逐渐过渡到砂粒粉粒粘粒,海拔1600m以下出现粘化层;土壤有机质丰富,表层有机碳含量一般在20g kg以上,有机碳含量随海拔高度升高而相应增加,海拔3500 3700m的灌丛草甸植被下有机碳含量最高;土壤呈酸性或微酸性,并随海拔上升, ph值略微降低,酸性增强,海拔2700m以上的土壤多呈盐基不饱和状态,表明土壤淋溶作用较强, ph值和盐基饱和度呈极显著正相关;土体与粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相对比较稳定,土体中sio _ 2含量较高, cao含量较少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和约占土壤矿质部分的92 ,矿质元素含量的顺序依次为: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。 | | 2. | 2 . the diagnostic surface horizons divided on the soils of the area are mollic epipedon , umbric epipedon and ochric epipedon . the diagnostic subsurface horizons are cambic horizon , argic horizon , histic evidence and mattic evidence . the diagnostic characteristics are sapric soil materials , folic soil materials , soil moisture regimes , soil temperature regimes , ferric property and base saturation 本地区土壤划分出的诊断表层有暗沃表层、暗瘠表层和淡薄表层,诊断表下层有雏形层、粘化层,诊断现象有有机现象、草毡现象,诊断特性有6个:高腐有机土壤物质、落叶有机土壤物质、土壤水分状况、土壤温度状况、铁质特性、盐基饱和度。 |
- Similar Words:
- "argiakon vima" English translation, "argialboll" English translation, "argiaquoll" English translation, "argibay" English translation, "argiboroll" English translation, "argic water" English translation, "argicillin" English translation, "argid" English translation, "argier" English translation, "argil" English translation
|
|
|