Soil percolation or soil perfusion 土壤环流法
Clay Or Sandy Soil 粘土或沙土
Slope or shape of soil 土壤坡斜度
soil acidity or alkalinity 土壤酸碱度
Or Calcareous Soil 或石灰土壤
Loam Or Clay Soil 沃土或泥土土壤
Sandy Or Rocky Soil 沙或岩石土壤
People are able to feed the plant by visiting the project at the Queensland library and literally stroking its fronds or soil.
人们可以通过访问在昆士兰图书馆的这个项目来养殖植物,抚摸它的叶子或土壤来喂养它。
However, their effects are probably accentuated by climatic factors, such as drought and hard winters, or soil imbalances such as soil acidification, which damages the roots.
然而,它们的影响可能因气候因素而加剧,如干旱和严冬,或因土壤酸化等土壤不平衡而损害到根系。
Organic molecules embedded in rocks or soil could suggest the former.
包含在岩石和土壤中的有机分子可以证明前者。
Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.
VOA: special.2010.09.28
In Democracy in America there's that famous passage, or passages, when Tocqueville crosses the Ohio River, from Ohio into Kentucky, from free soil into slave soil, free state into a slave state.
在托克维尔跨越俄亥俄河,从俄亥俄进入到肯塔基州,从自由之所走向奴役之地的那段游历中,为《美国民主》贡献了数段名言
To improve clay soils, mix in garden waste or other organic matter and turn the soil deeply in the fall.
VOA: special.2009.03.10
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