The fauna in the Joli Fou consists of bivalves and arenaceous forams.喬里富組內(nèi)的化石主要是雙殼類和砂殼有孔蟲.With fecund and loose with the arenaceous qualitative soil with good drainage had better.以肥沃疏松和排水良好的砂質(zhì)土壤為好.There cannot be arenace...
Acid - washed, flux - calcinated diatomaceous earth is often used.通常使用酸洗的, 通量煅燒硅藻土.Diatomaceous earths are the skeletal remains of the tiny aquatic plants deposited centuries ago.硅藻土是百年前水生植物沉淀下來的遺骸.Add 20 mg. of diatomac...