摘要
本文以模型:作物产量=f(环境生态,农业结构,农业技术,各种投入)为基础,分析不同类型农业生态系统作物生产力的限制因子及潜力,并提出提高作物生产力的方向和措施。
The study on crop productivity in defferent agro-ecosystems was conducted. on the basis of the model: Crop yield= f(ecological factors, agricultural structure,agro-technique, input). The directions and methods for increasing crop productivity were pointed out.
出处
《沈阳农业大学学报》
CAS
CSCD
1992年第4期308-311,共4页
Journal of Shenyang Agricultural University