摘要
应用室外盆栽试验方法 ,将土壤磁效应与生物磁效应相结合 ,研究了磁处理土壤对土壤 小麦系统健康的影响 .结果表明 ,磁处理棕壤后土壤 小麦系统的健康状况得到较为明显的好转 ,包括使小麦种子提前出苗 ,出苗整齐一致 ;增加小麦幼苗的株高、主茎叶片数、分蘖数、单株根数和单株叶面积 ;使小麦根系的总吸收面积、活跃吸收面积、活跃吸收面积占总吸收面积的百分比提高 ;增加成熟小麦的有效穗数、结实小穗数、平均穗粒数、千粒重 ,减少不孕小穗数 ,提高小麦的生物学产量 .在此基础上 ,对土壤 小麦系统磁化健康效应的生态指示进行了理论探讨 ,其中 ,2 0 0mT磁场强度是适于小麦生长的最佳磁处理参数 .
By using outdoor pot-culture method combined with biological magnetic effect analysis,this paper studied the effect of soil magnetization on soil-wheat ecosystem health.It was showed that there was an improvement in soil-wheat ecosystem health after soil magnetization,e.g.,the germination of wheat seeds promoted,and the seedling height,individuals of leaves and roots,overall and active absorption area of roots and their absorption rates,and biological yield of mature wheat were increased.The ecological indicators of magnetic health effect were also discussed.200 mT was the best parameter of magnetic treatment for wheat growth.
出处
《应用生态学报》
CAS
CSCD
2004年第11期2045-2048,共4页
Chinese Journal of Applied Ecology
基金
中国科学院知识创新重要方向项目 (KZCX2 SW 416)
国家重点基础研究发展规划项目 (G19990 1180 8)
中国科学院沈阳应用生态研究所知识创新重大资助项目
关键词
生态系统
土壤磁处理
小麦
发芽率
根活力
生态指示
Ecosystem health, Soil magnetization, Wheat, Germination, Root vitality, Ecological indicator.
