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Position: Home > Articles > Analysis of Crop Productivity in Different Agro--ecosystems in Haicheng City Journal of Shenyang Agricultural University 1992 (4) 308-311

海城市不同类型农业生态系统作物生产力分析

作  者:
张伟东
关键词:
农业生态系统;作物生产力
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。
译  名:
Analysis of Crop Productivity in Different Agro--ecosystems in Haicheng City
作  者:
Zhang Weidong (Department of Agronomy, Shenyang Agricultural University)
关键词:
agro-ecosystem;;crop productivity
摘  要:
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.

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