土地的低价值促使土地所有者弃耕或只有少量牛放牧。
Its low value encourages owners of land to leave much of it fallow or sparsely grazed by a few cows.
地上植被中的物种数和植株数随弃耕年限的增大不断增大。
The number of species and plants in aboveground vegetation was increasing with abandoned years.
弃耕演替研究隶属于恢复生态学,是恢复生态学涵盖的一个重要领域。
Research on abandoned cultivation succession was the basis for restoration ecology, which is established and devel...
在日本,农村的湿地包括水田、弃耕水田和池塘,在农村景观中占有重要的地位。
In Japan the rural wetland includes paddy field rejected paddy field and pond which occupies an important place in rural landscape.
而弃耕沙地和田地的蒺藜次生代谢产物波动相对较小,含量较高,故后两种生境对蒺藜主要次生代谢产物积累较为有利。
Relatively, the content of secondary metabolites in field and sandlot were higher, more steadily, and had advantage of realizing the stability of active ingredient content and curative effect in drug.
最后一次耕种,特别指最后一次耕种的耕种面状况、有无翻耕是影响当地弃耕地植被演替路径的两个重要因素。(3)弃耕早期阶段弃耕地往往会被周边某种离它较近的一年生草本所占据。
Particularly last time tillage and plowed or not were significant elements that affecting the succession way in the locality(. 3)At early stage, the old-fields were often occupied by annual herbs.
最后一次耕种,特别指最后一次耕种的耕种面状况、有无翻耕是影响当地弃耕地植被演替路径的两个重要因素。(3)弃耕早期阶段弃耕地往往会被周边某种离它较近的一年生草本所占据。
Particularly last time tillage and plowed or not were significant elements that affecting the succession way in the locality(. 3)At early stage, the old-fields were often occupied by annual herbs.
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