摘要
大豆是土壤水分比较敏感的作物，水分胁迫对大豆连作植株生育影响超过了连作本身的障碍因素影响；水分胁迫加剧了连作大豆苗期病害。病株率与土壤含水呈显著负相关。土壤含水大于１９０ｇ／ｋｇ至２００ｇ／ｋｇ，连作大豆栽培障碍最轻。
Soybean is a kind of crop which is sensitive to soil moisture. Warer stress has more unfavourable influence on plant growth than those of barrier facors caused by coninuous soybean cropping itself. It was water stress that aggravated diseases of seedling stage and there existed a negative correlation between disease rate and soil moisture. The slightest barrier caused by continuous soybean cultivation was found out when soil moisture was kept over 190g/kg to 200g/kg.
出处
《大豆科学》
CAS
CSCD
北大核心
1997年第2期131-135,共5页
Soybean Science
关键词
水分胁迫
大豆
连作
植株生长
病害
Water stress
Continous soybean cropping
Plant growth
Diseases
