黄土高原中南部农果复合型生态农业生产力特征

应用生态学报 ›› 2005, Vol. 16 ›› Issue (2): 262-266.

黄土高原中南部农果复合型生态农业生产力特征

吴发启¹, 周正立², 刘海斌¹

1. 西北农林科技大学资源环境学院, 杨凌, 712100;
2. 塔里木农垦大学植物科技学院, 阿拉尔, 843300

收稿日期:2004-01-12 修回日期:2004-05-02 出版日期:2005-02-15 发布日期:2005-02-15
通讯作者: 吴发启,男,1957年生,博士,教授;主要从事水土保持与流域管理研究,已发表论文80余篇,教材、专著8本.Tel:029-87092124;E-mail:wufaqi@263.net.
基金资助:
中国科学院知识创新工程项目(KZCX1-06)和国家重点科技攻关计划资助项目(2001BA508B20).

Productivity of crop-fruit ecological agriculture in middle-south Loess Plateau

WU Faqi¹, ZHOU Zhengli², LIU Haibin ¹

1. College of Resources and Environmental Science, Northwest Sci-Tech University of Agriculture and Forestry, Yangling 712100, China;
2. College of Plant Science and Technology, Tarim University of Agriculture and Reclamation, Alar 843300, China

Received:2004-01-12 Revised:2004-05-02 Online:2005-02-15 Published:2005-02-15

摘要/Abstract

摘要： 以黄土高原中南部的西坡、飞马河和南沟3村为对象,研究了农果复合型生态农业的生产力特征.结果表明,(1)同一植物各器官的生产力果实最大,茎叶次之,根最小;(2)农果复合型生态农业中,农业子系统越发达,系统生物生产力越高,经济生产力越小,经济产值越低;果业子系统越发达,系统生物生产力越小,经济生产力越高,经济产值越高;(3)畜牧业子系统生产力均处于相对较低的水平,制约了系统总生产力的提高.

关键词: 生产力, 生态农业, 农果复合型

Abstract: With the Xipo,Feimahe and Nangou villages as test objects,the productive characteristics of crop-fruit ecological agriculture in the middle-south Loess Plateau were investigated.The results showed that the biomass productivity of a plant was different with its organs,the highest for grain or fruit,and followed by stem,leaf and root.In the crop-fruit ecological agriculture,the higher ratio the crop subsystem,the higher productivity its biomass,the lower economic productivity and lower economic value was; while the fruit subsystem was on the contrary.The productivity of livestock farming subsystem was in a lower level,which restricted the increase of the total ecosystem's productivity.Based on these results,a countermeasure of increasing the ecosystem productivity was put forward.

Key words: Productivity, Crop-fruit ecological agriculture, Loess Plateau

中图分类号:

S181
S274

吴发启, 周正立, 刘海斌. 黄土高原中南部农果复合型生态农业生产力特征[J]. 应用生态学报, 2005, 16(2): 262-266.

WU Faqi, ZHOU Zhengli, LIU Haibin . Productivity of crop-fruit ecological agriculture in middle-south Loess Plateau[J]. Chinese Journal of Applied Ecology, 2005, 16(2): 262-266.

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