| 从鹿马岔小流域的农业现状剖析定西地区旱农生态系统 |
| |
| 引用本文： | 蔺海明.从鹿马岔小流域的农业现状剖析定西地区旱农生态系统[J].甘肃农业大学学报,1985(2). |
| |
| 作者姓名： | 蔺海明 |
| |
| 作者单位： | 甘肃农大农学系 |
| |
| 摘 要： | 本文根据对鹿马岔小流域农业生产现状的调查研究,分析了定西地区旱地农业生产系统的现状及特点。认为:定西地区旱地农业生态系统的现状表现为系统的稳定性不高,水土流失严重和“三料”俱缺。导致这种现状的原因为农业生态系统的结构极不合理,对自然资源的利用率较低,农业生态系统投入的能量和物质入不敷出。最后在分析研究的基础上,按定西地区的自然和社会资源,提出了改善该旱地农业生态系统恶性循环的途径。
|
Investigations on the Present Situation at Lumacha Natural area And the Approaches to the Management of Dry-Land agroecosystems in Dingxi,Gansu |
| |
| Abstract: | The author chose Lumacha, Dinxi, Gansu as an epitome from dryland agriculfural ecosystems. The present situation of this natural area was examined in detail from ecological viewpoint. In order to utilize this kind of ecosystem reasonably, tree-or shrup-planting and grass-growing are of importance. The management of local natural area in a comprechensive way has achieved success at Anjaiagou. Adeqaute supply of manures is another key faetor at present time. |
| |
| Keywords: | |
| 本文献已被 CNKI 等数据库收录！ |
|
