摘要
根据古浪县引黄灌区土壤调查结果、肥力现状以及作物种植结构和畜牧业发展等,对不同开发时期土壤肥力平衡进行了估算,提出了实现肥力平衡和提高土壤肥力的途径。
On the basis of the results of soil investigation, the current nutrient content of soil,the structure of crop planting and the development of animal husbandry in the Yellow-river-irrigated area of Gulang county, the author estimated the balance condition of soil fertility during the different development periods. The ways to achieve the balance of fertility and to improve the fertility of soil are suggested.
出处
《甘肃农业大学学报》
CAS
CSCD
1993年第1期89-92,共4页
Journal of Gansu Agricultural University
关键词
土壤肥力
灌溉
balance of soil fertility
Gulang Yellow-river-irrigated area
ways to enrich soil
