应用不同活化剂处理不同性质的磷肥 ，对其在玄武岩母质的桉树人工林土壤中的生物效应及其作用机理进行了研究。
Several activation agents were used to treat various phosphate fertilizers and their biological effect and mechanism in soil under the eucalypt plantation on basalt latolol were studied.
火山岩的组成通常是安山岩，但在某些地区玄武岩质和流纹岩质也很丰富。
The volcanics are commonly andesitic in composition, but basaltic and rhyolitic volcanics are abundant in some areas.
它是中生代硅酸过饱和并富钾质的火山岩系的产物，其意义可与产于新生代碱性玄武岩系中的晶洞钠沸石对比。
It is a product of volcanic rocks of the mesozoic era over-saturated with silica and rich in potash. it can be compared with geode natrolite that producedin alkaline basalt series of the cenozoic era.
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