- 地表土層
- surface: n. 1.表面；地面；水面；廣場，空地。 2.外觀，外表 ...
- horizon: n. 1.地平；地平線；地平圈。 2.地平儀，水平儀。 ...
- diagnostic surface horizon: 診斷表層; 診斷表土層
- a horizon: a層,淋浴層; 表土層; 層位; 腐殖堆積層; 淋浴土層
- a horizon a: 層, 淋溶層, 表土層
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surface horizon中文什么意思
- 地表土層
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例句與用法
- Significant seasonal changes of microbial numbers were observed in surface horizon
Cm深土壤細(xì)菌生物量有明顯的季節(jié)性變化，從 - Denitrification and nitrogen fixation in 10 cm 20 cm horizon are higher than those in other soil horizons , in which the partial pressure of oxygen is lower than that in surface horizon , and the number of microorganisms is more than that in below horizon
高寒草甸土壤中未發(fā)現(xiàn)有好氣性自生固氮菌，但嫌氣性自生固氮菌的數(shù)量眾多。在高寒草甸嚴(yán)酷的自然條件下，嫌氣性自生固氮菌為大氣氮素固定的主要承擔(dān)者。 - 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
本地區(qū)土壤劃分出的診斷表層有暗沃表層、暗瘠表層和淡薄表層，診斷表下層有雛形層、粘化層，診斷現(xiàn)象有有機(jī)現(xiàn)象、草氈現(xiàn)象，診斷特性有6個(gè)：高腐有機(jī)土壤物質(zhì)、落葉有機(jī)土壤物質(zhì)、土壤水分狀況、土壤溫度狀況、鐵質(zhì)特性、鹽基飽和度。