淹水和风干过程对水稻土磷吸附、解吸及有效磷的影响(英文)

被引：16

作者：

章永松

林咸永

倪吾钟

机构：

[1] 浙江农业大学土壤农化系!杭州

[2] 不详

来源：

中国水稻科学 | 1998年 / 01期

关键词：

淹水; 风干; 新鲜样; 磷吸附; 磷解吸; Olsen磷; 水稻土;

D O I：

10.16819/j.1001-7216.1998.01.009

中图分类号：

S511.106 [];

学科分类号：

摘要：

在室内研究了淹水和风干过程对两种水稻土磷吸附、解吸及有效磷的影响。结果表明，淹水过程明显增加土壤对磷的吸附，降低磷解吸和有效磷，而淹水后的风干过程则可显著减少土壤磷吸附，提高磷解吸量和有效磷含量。微生物对磷的矿化或活化作用是淹水土壤风干过程提高土壤有效磷的主要原因之一。建议在评价磷对水稻的有效性时应采用新鲜样品。

引用

页码：40 / 44

页数：5

共 8 条

[1] Rapid and slow phosphate sorption bymediterranean soils: effects of iron oxides. Torrent J. Soil Science Society of America Journal . 1987
[2] Phosphorussorption characteristics of flooded soil. Khalid R A,Patrick J R,DeLaune R D. Soil Science Society of America Journal . 1977
[3] Phosphorus behavior in flooded-drained soils: Ⅲ Phosphorus desorption and availability. Sah R N,Mikkelsen D S,Hafez A A. Soil Science Society of America Journal . 1989
[4] Competitive adsorption of phosphate with polygalacturonate and otherorganic anions on kaolinite and oxide surface. Nagarajah S,Posner A M,Quirk J P. Nature . 1970
[5] Distribution of iron and phosphorus in flooded and un flooded soil profiles and theirrelation to P adsorption. Kuo S,Mikkelsen D S. Soil Science . 1979
[6] Influence of iron oxides on the surfaceaea of soil. Borggaard O K. The Journal of Soil Science . 1982
[7] Phosphorus behavior in flooded-drained soils: Ⅱ.Iron transformationand phosphorus sorption. Sah R N,Mikkelsen D S,Hafez A A. Soil Science Society of America Journal . 1989
[8] Phosphorus behavior inflooded-drained soils: Ⅰ.Effect on phosphorus sorption. Sah R N,Mikkelsen D S. Soil Science Society of America Journal . 1989

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