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| 不同免耕栽培模式对稻田土壤肥力的影响 | |
| 引用本文： | 江泽普,黄绍民,韦广泼,陈伯伦,蒙炎成,李振经.不同免耕栽培模式对稻田土壤肥力的影响[J].广西农业科学,2007,38(1):65-67. |
| 作者姓名： | 江泽普 黄绍民 韦广泼 陈伯伦 蒙炎成 李振经 |
| 作者单位： | 1. 广西农科院土壤肥料研究所,南宁,530007 2. 广西农科院水稻研究所,南宁,530007 3. 广西农科院科技处,南宁,530007 |
| 基金项目： | 广西科学基金应用基础研究专项(桂科基0342027) |
| 摘 要： | 通过田间试验方法,以常规插秧为对照,研究免耕直播和免耕抛秧两种免耕栽培模式对土壤肥力的影响。结果表明:与常规插秧相比,免耕栽培能使稻田土壤腐殖质累积,改善腐殖质品质;>0.25mm团聚体含量增加,全氮、全磷和速效氮、速效磷养分含量都有所提高,稻田土壤肥力性状都有所改善。两种免耕栽培模式中,免耕直播在土壤腐殖质总量累积上不如免耕抛秧,但在腐殖质品质、>0.25mm大粒团聚体含量及全氮和速效氮、速效磷等养分含量上则优于免耕抛秧。 |
| 关 键 词： | 免耕栽培 稻田 土壤肥力 |
| 文章编号： | 1002-8161（2007）01-0065-03 |
| 收稿时间： | 2006-09-01 |
| 修稿时间： | 2006-09-01 |
Effects of different no-tillage cultivation modes on soil fertility of paddy field |
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| JIANG Ze-pu,HUANG Shao-min,WEI Guang-po,CHEN Bo-lun,MENG Yan-cheng,LI Zhen-jing.Effects of different no-tillage cultivation modes on soil fertility of paddy field[J].Guangxi Agricultural Sciences,2007,38(1):65-67. | |
| Authors: | JIANG Ze-pu HUANG Shao-min WEI Guang-po CHEN Bo-lun MENG Yan-cheng LI Zhen-jing |
| Institution: | 1. Soil and Fertilizer Research Institute, Guangzi Academy of Agricultural Sciences, Nanning 530007, China ; 2. Rice Research Institute, Guangzi Academy of Agricultural Sciences, Nanning 530007, China; 3. Science and Technology Department, Guangzi Academy of Agricultural Sciences, Nanning 530007, China |
| Abstract: | The conventional transplanting of seedling was used as the control,a field experiment was conducted to study the effect of direct-seedings with no-tillage and seedling-broadcast with no-tillage cultivation on soil fertility of paddy field.The results showed that,soil humus of paddy field was cumulated and the quality of humus was improved in no-tillage cultivation as compared with conventional transplanting of seedlings;the percentage of aggregates in the size group of > 0.25 mm was increased in no-tillage cultivation,as well as the contents of the total N and P,available N and P,and the soil fertility characters were improved.In two no-tillage cultivation modes,direct-seedings with no-tillage was not as good as seedling-broadcast with no-tillage in total content of humus,but it was better in the humus quality,the percentage of aggregates in the size group of > 0.25 mm and contents of the total N,available N and P. |
| Keywords: | no-tillage cultivation paddy field soil fertility |
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