Nitrogen nutrition of Panax quinquefolium Linne was studied by using 15N tracer technique.
通过15N示踪微区试验，研究了西洋参氮素营养特性。
The results showed that 15N (15N-urea) was distributed to all organs of Panax quinquefolium Linne. NDFF% in above-ground part was higher than that in below-ground part.
结果表明：15N-尿素在西洋参各器官均有分布，参株从肥料中吸收氮素（NDFF％）含量地上部各器官高于地下部。
The results showed that 15N (15N-urea) was distributed to all organs of Panax quinquefolium Linne. NDFF% in above-ground part was higher than that in below-ground part.
结果表明：15N-尿素在西洋参各器官均有分布，参株从肥料中吸收氮素（NDFF％）含量地上部各器官高于地下部。
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