河南农业科学2011，Vol.40Issue(11)：57-59,3.
吉林省白城地区大豆黄叶原因分析
Analysis of Etiolated Soybean Leaves in Baicheng Region of Jilin Province
摘要
Abstract
In Baicheng region of Jilin province,the phenomenon that soybean leaves went etiolated and seedlings died happened,which made a serious impact on soybean yield. In this paper,aiming at these phenomenons, by integrated diagnosis analysis including visual inspection to the symptoms of etiolated soybean leaves, soil chemistry and spraying fertilizer outside roots in 2008 - 2009,the results showed that the pH of soil in Baicheng region was 7. 68 - 8. 49,the contents of available Cu,Fe and Mn wrere 0. 47,4. 28 and 6. 13mg/kg,respectively,and their effectiveness reduced greatly. The test by spraying FeSO4 ,MnSO4 ,CuSO4 out of roots further indicated spraying FeSO4 made etiolated soybean leaves green recovery, suggesting there is a lack of iron in soil of Baicheng region.关键词
大豆/黄叶/缺铁Key words
Soybean/ Etiolated leaves/ Iron deficiency分类
农业科技引用本文复制引用
张伟,赵丽梅,韩喜国,徐长宏,赵婧,闫晓艳,张鸣浩..吉林省白城地区大豆黄叶原因分析[J].河南农业科学,2011,40(11):57-59,3.基金项目
国家"863"重大专项资助项目(2011AA10A105) （2011AA10A105）
