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    题名 作者 年代 出处 被引量
1Solubilization of Rock Phosphate in Liquid Culture by Fungal Isolates from Rhizosphere Soil显示文摘Rock phosphate (RP) is a low efficiency P fertilizer that is directly applied to the soil and can be solubilized by phosphate-solubilizing microorganisms (PSMs) in fermentation or soil conditions. This study investigated dynamic solu- bilization of 2 concentrations of rock phosphate in a liquid culture with different dosages of glucose by two fungal isolates, Aspergillus niger P39 and Penicillium oxalicum P66, from soybean and wheat rhizosphere soil. Although during the 20 day culture period A. niger P39 had a stronger ability to acidify the culture media than P. oxalicum P66, soluble P concentrations at glucose dosages of 30 and 50 g L-1 with RP of 15 g L-1 in the culture solution were much higher by P. oxalicum P66. The greater effectiveness of P. oxalicum P66 compared to A. niger P39 in the solubilization of RP was strongly associated with the production of organic acids. This study suggested that for RP solubilization the type rather than the concentration of PSM-produced organic acids was more important.WANG Guang-Hua ZHOU De-Rui YANG Qian JIN Jian LIU Xiao-Bing 2005Pedosphere2005,15,4:6
2多重示踪技术在植物学研究中的应用显示文摘简要阐述了多重示踪技术在植物学研究中的应用,主要内容有多重示踪剂的制备和分离,检测植物对金属离子的吸收和在体内的分布状况,以及在植物体细胞胚发生中对金属离子吸收的动态变化。李杉 沈正虎 王亚馥 秦芝 2002生命科学2002,14,5:2
3铀污染土壤的模拟显示文摘应用简单土壤类似物——沙粒,模拟UO22+污染土壤的过程,研究不同振荡时间、不同pH值介质、不同初始ρ(UO22+)及粒径条件对UO22+吸附的影响。随着振荡时间的延长、介质pH值增大、初始ρ(UO22+)增大、沙粒粒径减小,沙粒对UO22+吸附量也逐步增大,并拟合4种吸附动力学方程,以动力学一级方程拟合为最好。罗世地 刘峙嵘 陈小松 赵炜 黄加欣 2008铀矿冶2008,27,2:1
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