土壤颜色
- 网络soil color;soil colour
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土壤颜色、结构和养分在剖面层次上明显差异;
It is obviously different in soil color , nutrient and structure among the soil horizon .
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围封区土壤颜色较放牧区土壤颜色深,其土壤有机质含量高。(3)土壤水分是影响湿地植物群落生物量的主要因子。
In enclosed area the soil color is dark compared with grazing area , and soil organic matter content is higher in enclosed area . ( 3 ) Soil moisture is the main factor affecting wetland plant community biomass .
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敏感试验结果表明,模式对土壤颜色的敏感性不强,对土壤质地比较敏感。粗糙土壤失去较多的水分,从降水事件中得到少的水分。
The results show the model has greatest sensitivity to the soil texture variation , but has little response to soil color .
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土壤剖面颜色呈黑-黄-红变化的次生黄红壤的黄色土层(B1)粘粒只含针铁矿,红土层(B2)含有针铁矿和赤铁矿。
Both goethite and hematite were pre-sent in the clay of red B_2 horizon in the secondary yellow-red soil with black-yellow-red color profile but only goethite in the clay of yellow B_1 horizon .
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现在,土壤的颜色变深,易碎,湿润。
The soil should now be darker , crumbly , and moist .
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本文还对土壤蒙塞尔颜色模型作为表述土壤重要属性做了一般性的评述。
A general discussion is made on the Munsell model and its properties in this study .
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如果你拔起一株米草属,你甚至还能发现一些粘在根部的红色泥土,这些土壤的颜色是由氧气和土壤中的硫化铁发生反应形成的,这个反应生成氧化铁,俗名铁锈。
If you pull up a Spartina , you might even notice some reddish mud on some of the roots , this is caused by oxygen reacting with iron sulfide in the soil , and it produces iron oxide or rust .
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为什么土壤会有颜色?
Why does the earth have coiors ?
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演替15年土壤微生物的平均颜色变化率(AWCD)和多样性指数(Shannon多样性指数和McIntosh指数)显著低于其余演替时间土壤。
Average well color development ( AWCD ) and diversity indices ( Shannon index and McIntosh index ) of 15-y soil was significant lower than others .
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而土壤学的研究已经证明,土壤颜色主要受温度背景所控制。
And soil science researches have proved that the soil color is mainly controlled by temperature .