休耕水稻田蓄水对土壤肥力影响试验

叶一隆; 许美芳; 陈庭坚; 黄国祯; 邹祎

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休耕水稻田蓄水对土壤肥力影响试验

叶一隆, 许美芳, 陈庭坚, 黄国祯, 邹祎

文章导航 > 水科学进展 > 2002 > 13(4): 478-483

叶一隆, 许美芳, 陈庭坚, 黄国祯, 邹祎. 休耕水稻田蓄水对土壤肥力影响试验[J]. 水科学进展, 2002, 13(4): 478-483.

引用本文:

叶一隆, 许美芳, 陈庭坚, 黄国祯, 邹祎. 休耕水稻田蓄水对土壤肥力影响试验[J]. 水科学进展, 2002, 13(4): 478-483.

YEH Yi-lung, SHUE Meei-fang, CHEN Ting-chien, HUANG Kuo-chen, Tsou I. Influence of irrigation methods on soil fertility during the sabbath period[J]. Advances in Water Science, 2002, 13(4): 478-483.

Citation:

YEH Yi-lung, SHUE Meei-fang, CHEN Ting-chien, HUANG Kuo-chen, Tsou I. Influence of irrigation methods on soil fertility during the sabbath period[J]. Advances in Water Science, 2002, 13(4): 478-483.

休耕水稻田蓄水对土壤肥力影响试验

1.
屏东科技大学, 台湾屏东, 912;
2.
大仁技术学院, 台湾屏东, 917

详细信息

作者简介:
叶一隆(1959- ),男,台湾台南人,屏东科技大学副教授,博士,主要从事地下水环境研究.

中图分类号: S158.5;S152.7

Influence of irrigation methods on soil fertility during the sabbath period

1.
1 National Pingtung University of Science and Technology, Taiwan, Pingtung 912, China;
2.
Tajen Institute of Technology, Taiwan, Pingtung 907, China

摘要: 主要探讨水稻田休耕期间蓄水对休耕后土壤肥力之影响。选择两块水稻田区,在水稻收割后,将田区翻耕一次。一田区以人工连续灌溉,蓄存水量于田区;另一田区则为天然蓄水。在每一田区四边及中央处,以10cm为一层采取土样,取至60cm。再将每一层土样气干后,通过0.42mm筛网土样混合,分析田区同一层在不同时段与不同深度下之pH值、电导度值、有机质、全氮、有效磷、钙离子、镁离子、钾离子及钠离子之变化。试验结果显示:休耕后水稻根系腐化,造成土壤有机质以及有效磷显著的增加。蓄水后天然蓄水田区有机质和有效磷分别增加51%及88%,连续蓄水田区分别增加13%和69%。而天然蓄水田区镁、钾、钠分别降低35%、24%和47%,连续蓄水田区分别降低29%、14%及41%。
- 休耕水稻田 /
- 蓄水 /
- 生态功能 /
- 生产功能 /
- 土壤肥力
Abstract: The purpose of this study is to investigate the influence of irrigation methods on soil fertility during the sabbath period.This study chose two blocks of paddy field,whose soil were turned over after the harvest.One of the blocks was irrigated continually to maintain ponding water and was called continual irrigation field.The other was without irrigation except natural precipitation and was called natural irrigation field.The sampling locations were at four corners and the center of the block.Each location was withdrawn six samples at six layers.Each layer was 10 cm in depth to a totality of 60 cm below ground surface.The soil samples in each layer were air dried and mixed homogeneously by passing 0.42 mm sieve.The mixed soils were analyzed for their pH,EC,organic matter,total nitrogen,effective phosphorous,Ca,Mg,K,and Na.The results showed that organic matter and effective phosphorous increased significantly after sab bath period due to the decay of rice roots.In natural irrigation field,the organic matter and effective phos phorous increased 51% and 88%,respectively.In cont inual irrigation field,the organic matter and effective phosphorous increased 13% and 69%,respectively However,in the natural irrigation field,Mg,K,and Na decreased 35%,24%,and 47%,respectively.In continual irrigation field,Mg,K,and Na decreased 29%,14%,and 41%,respectively.
- sabbath paddy field /
- impoundment /
- ecology funct ion /
- production function /
- soil fertility

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休耕水稻田蓄水对土壤肥力影响试验

1. 屏东科技大学, 台湾屏东, 912;

2. 大仁技术学院, 台湾屏东, 917

作者简介:
叶一隆(1959- ),男,台湾台南人,屏东科技大学副教授,博士,主要从事地下水环境研究.

收稿日期: 2001-07-02
修回日期: 2001-11-30
刊出日期: 2002-07-25

中图分类号: S158.5;S152.7

关键词:

蓄水 /

摘要: 主要探讨水稻田休耕期间蓄水对休耕后土壤肥力之影响。选择两块水稻田区,在水稻收割后,将田区翻耕一次。一田区以人工连续灌溉,蓄存水量于田区;另一田区则为天然蓄水。在每一田区四边及中央处,以10cm为一层采取土样,取至60cm。再将每一层土样气干后,通过0.42mm筛网土样混合,分析田区同一层在不同时段与不同深度下之pH值、电导度值、有机质、全氮、有效磷、钙离子、镁离子、钾离子及钠离子之变化。试验结果显示:休耕后水稻根系腐化,造成土壤有机质以及有效磷显著的增加。蓄水后天然蓄水田区有机质和有效磷分别增加51%及88%,连续蓄水田区分别增加13%和69%。而天然蓄水田区镁、钾、钠分别降低35%、24%和47%,连续蓄水田区分别降低29%、14%及41%。

English Abstract

Influence of irrigation methods on soil fertility during the sabbath period

1. 1 National Pingtung University of Science and Technology, Taiwan, Pingtung 912, China;

2. Tajen Institute of Technology, Taiwan, Pingtung 907, China

Received Date: 2001-07-02
Rev Recd Date: 2001-11-30
Publish Date: 2002-07-25

Keywords:

Abstract: The purpose of this study is to investigate the influence of irrigation methods on soil fertility during the sabbath period.This study chose two blocks of paddy field,whose soil were turned over after the harvest.One of the blocks was irrigated continually to maintain ponding water and was called continual irrigation field.The other was without irrigation except natural precipitation and was called natural irrigation field.The sampling locations were at four corners and the center of the block.Each location was withdrawn six samples at six layers.Each layer was 10 cm in depth to a totality of 60 cm below ground surface.The soil samples in each layer were air dried and mixed homogeneously by passing 0.42 mm sieve.The mixed soils were analyzed for their pH,EC,organic matter,total nitrogen,effective phosphorous,Ca,Mg,K,and Na.The results showed that organic matter and effective phosphorous increased significantly after sab bath period due to the decay of rice roots.In natural irrigation field,the organic matter and effective phos phorous increased 51% and 88%,respectively.In cont inual irrigation field,the organic matter and effective phosphorous increased 13% and 69%,respectively However,in the natural irrigation field,Mg,K,and Na decreased 35%,24%,and 47%,respectively.In continual irrigation field,Mg,K,and Na decreased 29%,14%,and 41%,respectively.

叶一隆, 许美芳, 陈庭坚, 黄国祯, 邹祎. 休耕水稻田蓄水对土壤肥力影响试验[J]. 水科学进展, 2002, 13(4): 478-483.

引用本文:

叶一隆, 许美芳, 陈庭坚, 黄国祯, 邹祎. 休耕水稻田蓄水对土壤肥力影响试验[J]. 水科学进展, 2002, 13(4): 478-483.

YEH Yi-lung, SHUE Meei-fang, CHEN Ting-chien, HUANG Kuo-chen, Tsou I. Influence of irrigation methods on soil fertility during the sabbath period[J]. Advances in Water Science, 2002, 13(4): 478-483.

Citation: