acacia mangium造句

• Experiment on leave surface fertiliers spray of acacia mangium seedlings
  马占相思苗木叶面施肥试验
• Silvicultural amp; management technique and benefits analysis of acacia mangium industrial material forest
  马占相思工业原料林栽培经营技术及效益分析
• Abstract : soil fertility of the plantations of paramichelia baillonii , betula alnoides , acacia mangium and altingia excelsa in tropical area of yunnan does not decline rapidly , and the physical and chemical properties of forestland are not affected greatly if the plantations can be managed properly
  文摘:在云南热区营造山桂花、西南桦、马尖相思、高阿丁枫等4种人工林，只要经营得当，对林地土壤理化性质并不造成重大影响，不会引起地力迅速衰退。