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The low propagation coefficient was a main obstacle in tree peony regeneration for a long time. Here, we present a new plantlet regenernation system to significantly improve the propagation coefficien in tree peony regeneration by lateral buds exsectting and engraving. The procedure are briefly as follows: (1)The medium for proliferation was WPM + 6-BA3.0mg/L + IAA 0.2mg/L, with the proliferation...
The shallow groundwater of plain area is the main source of water supply for ZhengZhou city. Studying on the groundwater of plain area vulnerability has important and practical significance for using and protecting groundwater resources sustainablely. On the basis of DRASTIC model, DRATMC model is created by selecting the depth to shallow groundwater and other five parameters to assess shallow groundwater...
Arsenic is a toxic heavy metal. It has caused serious pollution of groundwater recent years, the treatment of arsenic contamination drinking water becomes a hot research topic. In this paper, the granitization red soil, which is widely distributed in South China, cheap easy to get is used as the adsorption material, studied by adsorption of arsenic removal performance. The results show that after...
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