[1]李忠武,蔡强国,唐政洪,等.晋西黄土丘陵沟壑区作物生产力影响因子研究——以王家沟流域为例[J].水土保持研究,2001,8(04):70-73,78.
　LI Zhong-wu,CAI Qiang-guo,TANG Zheng-hong,et al.Analysis of Affecting Factors on Crop Production in Hilly Loess Region——Taking Wangjiagou Watershed as an Example[J].Research of Soil and Water Conservation,2001,8(04):70-73,78.
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晋西黄土丘陵沟壑区作物生产力影响因子研究——以王家沟流域为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 8 期数: 2001年04期 页码: 70-73,78 栏目: 出版日期: 1900-01-01
Title:
Analysis of Affecting Factors on Crop Production in Hilly Loess Region——Taking Wangjiagou Watershed as an Example
作者:
李忠武1, 蔡强国1, 唐政洪1, 吴淑安1, 朱远达2
1. 中国科学院地理科学与资源研究所 北京100101;
2. 华中农业大学资源农化系 武汉430070
Author(s):
LI Zhong-wu1, CAI Qiang-guo1, TANG Zheng-hong1, WU Shu-an1, ZHU Yuan-da2
1. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
2. Department of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
关键词:
黄土丘陵沟壑区; 地理信息系统; 王家沟流域
Keywords:
hilly loess region; geographic information system; Wangjiagou watershed
分类号:
S162.5;P941.75
摘要:
针对黄土丘陵沟壑区水土流失严重以及作物产量低而不稳的特点,首先介绍了近10年来王家沟流域作物生产变化的情况,然后在地理信息系统(GIS)技术支持下,利用基于土壤侵蚀的YIELD作物生产力模型并结合各作物的实际观测资料,从气象因素(降雨量、气温)以及耕作措施两方面分析了该小流域作物生产力变化的原因,结果表明在气象因素(大气降水)和土壤侵蚀的共同影响下,土壤水分和养分的变化是影响该区作物生产力变化的主要因素。
Abstract:
Aiming at characteristics of serious soil erosion and low and unstable crop productivity,crop production of Wangjiagou watershed in recent ten years is presented, after that, under the support of geographic information system, utilized crop productivity model-YIELD model, combining actual observation data of crop, from two aspects of meteorologic factor (precipitation, temperature) and cultivation measure,reasons of agricultural production changing are analyzed,and the change of soil moisture and soil nutrient affected by precipitation and soil erosion is the main factor influencing crop productivity changing.

参考文献/References:

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备注/Memo

收稿日期:2001-8-25。
基金项目:科技部国家重点科技(攻关)项目(95-019-01-01-01);国家自然科学基金资助项目(49871053);加拿大国际发展总署(CIDA)资助中国-加拿大合作项目(SEMGIS)
作者简介:李忠武,(1972- ),中国科学院地理科学与资源研究所博士研究生,主要从事农业环境及作物生产潜力方面的研究.

更新日期/Last Update: 1900-01-01