Effect of Different Tillage and Transplanting Methods on Soil Fertility and Root Growth of Rice

REN Wan-jun; YANG Wen-yu; FAN Gao-qiong; CHEN De-chun; WU Jin-xiu

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Effect of Different Tillage and Transplanting Methods on Soil Fertility and Root Growth of Rice

更新时间：2024-11-07

- Effect of Different Tillage and Transplanting Methods on Soil Fertility and Root Growth of Rice
- Vol. 21, Issue 2, Pages: 108-110(2007)
- 作者机构：
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  CLC： S511S158.3
- Published：2007
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REN Wan-jun, YANG Wen-yu, FAN Gao-qiong, et al. Effect of Different Tillage and Transplanting Methods on Soil Fertility and Root Growth of Rice[J]. 2007, 21(2): 108-110.
DOI：

REN Wan-jun, YANG Wen-yu, FAN Gao-qiong, et al. Effect of Different Tillage and Transplanting Methods on Soil Fertility and Root Growth of Rice[J]. 2007, 21(2): 108-110. DOI：

摘要

以冈优22、Ⅱ优162和K优047为材料，通过大田试验研究了不同种植方式对土壤肥力、根系特征、根系伤流液和地上部干物质积累的影响。结果表明：免耕高留茬抛秧处理促进了土壤肥力提高，水稻成熟期其有机质含量、全氮含量、全钾均高于常耕插秧、常耕抛秧和移栽前的基础肥力，同时速效氮、钾含量也有明显提高。免耕高留茬抛秧前期根系和地上部的生长量均较低，拔节期总根长和根数均大大低于常耕插秧，也低于常耕抛秧。但免耕高留茬抛秧延缓了后期根系和地上部衰老，抽穗后30d根系伤流液强度显著或极显著高于常耕抛秧和插秧。

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