潴育和潜育型稻田根系生长情况及土壤肥力的动态变化  

The rice roots and the soil fertility dynamic change of the periodicol water-logging and the gleyed type

作　　者：陈静[1] 

机构地区：[1]湖南省怀化市农业局土肥站

出　　处：《农业与技术》2002年第5期49-50,共2页Agriculture and Technology

摘　　要：与潜育型稻田相比,潴育型稻田白根多黄根少,无黑根;潴育型稻田全量养分含量低,速效养分变化大。Compared to the gleyed type rice, the periodical water-logging has much white root, little yellow root, no black root, the periodical water-logging rice long-term fertility's content is low, short-tern fertility's chanage is fast.

关 键 词：潜育型稻田 根系生长 土壤肥力 动态变化 潴育型稻田 土壤改良 

分 类 号：S511[农业科学—作物学]