摘要
陕西省合阳县甘井乡位于该县的西北部,东西临沟,北依黄龙,境内多为台原沟壑。成土母质为黄土。耕地土壤质地有黄绵土、轻垆土及姜石土。土壤贫瘠,生产水平较低,早耕地占耕地面积98.9%,是一个典型的雨养农业区。过去由于过度垦殖,水土流失严重,产量低而不稳,农民生产和生活一直比较困难。现在由于按照当地的资源优势,逐步把农、牧、
Ganjiang township in Heyang county of Shanxi province is a typical upland farming area.As a result of long-term extensive cultivation,over-reclaimation and serious soil and watererosion,the eco-environment has been greatly destroyed.With a series of effective measuresto restore the disordered agroecosystem,grain production and other incomes are progressi-vely increased,and the economic,social and eeological effieieneies are greatly improved.Agrieultural productions are progressing with fine eyclings.
出处
《生态学杂志》
CAS
CSCD
北大核心
1990年第1期47-50,共4页
Chinese Journal of Ecology
关键词
旱地农业
农业生态系统
upland agroecosystem
agricultural planning
Heyang county
