摘要
1996年景洪农场九分场大面积橡胶黄叶病是由于橡胶树严重缺钾和镁元素过高所致。经1998～1999年的对症土壤施肥，改善了胶树营养平衡，7个生产队的病区从平均占植胶面积的50.6%降至6.4%，干胶产量明显高于对照，成功地防治了橡胶黄叶病。
The leaves of rubber trees became yellow because of severe lacking K and overhigh Mg on large area at ninth branch of Jinghong farm in 1996.We adopted soil application according diagnosis of nutrition from 1998 to 1999.The disease incidence was reduced from 50.6% to 6.4%.
出处
《云南热作科技》
2001年第2期5-8,共4页
Journal of Yunnan Tropical Crops Science & Technology
关键词
橡胶树
黄叶病
对症施肥
病因
肥效
rubber tree
nutrition deficiency symptom
control
