应用草业系统理论开发泾源县畜牧业经济的探讨

EXPLOITATION OF ANIMAL HUSBANDRY IN JINGYUAN COUNTY BY APPLYING SYSTEMATIC THEORY OF GRASSLAND FARMING

本文应用草地农业生态系统的理论,进行了开发宁夏泾源县畜牧业经济的试验示范。从植物生产层到动物生产层,组装了草山改良、地埂种草、青贮饲料、杠木豆利用,畜种配置、提高黄牛“三率”和肉牛肥育等应用技术。在全县初步推广,畜牧业产值占农业总产值的比例,由始期的9.3％,增加到1989年的19.3％。

This paper, based on the theory of ecological system in grassland farming, dis-cussed the development of the economy through animal husbandry in Jingyuan County, Ningxia. The experiments and demonstrations, concerning both plant production and animal. production, have been carried out, which consisted of the popularization of practical techniques such as bund, silage, utilization of Gongmu bean, disposition of breed certificate, fattening of beef cattle, ete. The preliminary result showed the great increase of the output value from animal husbandry in total output value of agriculture (from 9. 3% to 19. 3% in 1989).