leaf trace

The trace element is plentiful in this kind of plant, specially in root, leaf and seed.

总体上看,该种植物无机元素含量丰富, 尤其以根 、 叶和种子更为突出.

The adventitious roots of the burl formed closed to leaf gap and also beared on leaf trace.

节部不定根靠近叶隙，也与叶迹有关，根原基形成早。

Ginsenoside Rh2 which is the trace element of ginseng leaf, red ginseng and American ginseng leaf, has a strong anti-cancer activity, and low toxicity. It has a broad development prospects, as its preparations have used for anti-cancer.

人参皂苷Rh2是人参叶、红参、西洋参叶中的微量成分，其单体具有较强的抗癌活性，而且毒性低，其制剂用于抗癌治疗，具有广阔的发展前途。

Determination of trace elements in tealeaf, tea plant leaf and soil by AAS

原子吸收法测量茶叶、茶树叶和土壤中微量元素

What, shakes your heart, as shaking a leaf in autumn , roaming about-up grass's trace in wind?

是什么, 劲摇你的心旌, 如摇动一片深秋的树叶,在秋风时, 流浪出一道枯草的痕迹?