| 湖北江汉平原农田生态系统锌素的平衡分析 |
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| 引用本文： | 林匡飞,徐小清,项雅玲,金 霞,邵志慧.湖北江汉平原农田生态系统锌素的平衡分析[J].中国生态农业学报,2003,11(1):85-87. |
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| 作者姓名： | 林匡飞 徐小清 项雅玲 金 霞 邵志慧 |
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| 作者单位： | 1. 中国科学院水生生物研究所,武汉,430072
2. 农业部环境质量监督检验测试中心,武汉,430070 |
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| 基金项目： | 欧共体科技合作项目(STD-TS3-CT920065)和联合国粮农组织(FAO)援华技术合作项目(TCP/CPR/6611)共同资助 |
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| 摘 要： | 湖北江汉平原农田生态系统麦-稻、稻-稻、油菜-大豆、油菜-花生、小麦-芝麻、小麦-棉花、青椒-大白菜、萝卜-茄子等8种种植模式农田Zn素的循环研究表明,土壤Zn的输入途径和输入量顺序菜田和水田为有机肥>降雨>归还>灌溉>种子(种苗),旱地为降雨>有机肥>归还>灌溉>种子(种苗),输出途径作物收获占96％～97.6％,平均96.7％,农田Zn流失和淋溶损失相对较少。该区域菜田Zn素盈余较多,稻田一盈一亏,旱田施有机肥和施Zn肥处理Zn有盈余,不施Zn肥和有机肥2种模式出现亏缺。
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| 关 键 词： | 江汉平原 农田生态系统 输入输出 Zn平衡 |
| 收稿时间： | 2001/12/26 0:00:00 |
| 修稿时间： | 2001年12月26 |
Cycling and balance of zinc in farmland ecosystem of the Jiang-Han Plain in Hubei Province |
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| LIN Kuang-Fei,XU Xiao-
Qing,XIANG Ya-Ling,JIN Xia and SHAO Zhi-
Hui.Cycling and balance of zinc in farmland ecosystem of the Jiang-Han Plain in Hubei Province[J].Chinese Journal of Eco-Agriculture,2003,11(1):85-87. |
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| Authors: | LIN Kuang-Fei XU Xiao-
Qing XIANG Ya-Ling JIN Xia and SHAO Zhi-
Hui |
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| Abstract: | Two years field experiments with eight cropping systems including wheat-rice,rice-rice,rape-soybean,rape-peanut,wheat-sesame,wheat-cotton,pepper-cabbage,radish-eggplant were carried out to study zinc cycling and balance of farmland ecosystem for Jiang-Han Plain in Hubei Province.The results show that the input way and the amount of zinc in proper order in different type ecosystems are as follows: for vegetable and paddy fields,organic fertilizer> rainfall> natural return>irrigation>seeds(seedlings) and for upland fields,rainfall > organic fertilizer > natural return > irrigation > seeds (seedlings).The main output of zinc is crop harvest,which ranges from 96% to 97.6% with a mean value of 96.7%,while field runoff and soil body leaching are very little.There are more zinc surplus in vegetable and one paddy field because of more organic fertilizer input,two of four upland field has more zinc surplus because of more organic and zinc fertilizer input together,another paddy and the other uplands are deficient in zinc because of less organic and no zinc fertilizer input. |
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| Keywords: | Jiang-Han Plain Farmland ecosystem Input and output Zinc balance |
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