摘要
系统介绍了作物生产潜力的研究方法,评述了该领域在国内外的发展历史及研究现状,探讨了作物生产潜力经验模型和物理模型的优缺点及在应用中存在的问题。在此基础上提出今后作物生产潜力研究的发展方向,认为作物生产潜力研究将从单纯考虑自然因素转向自然因素与社会经济技术因素相结合;机理模型的完善还需要大量相关数据库的组建及相关技术的支持。随着研究工作的不断深入,作物生产潜力研究将在农业生产中发挥更大作用。
The research ideas of crop productivity potential were recommended, and the developmental history and current situation of the research of the yield were reviewed. The applied questions of empirical models and physical-based models were discussed in this paper, and the strongpoints and shortcomings of both methods were assessed. It was pointed out that the research of crop productivity potential should be linked with natural factors and social, economic and technical factors but not only natural factors; The perfectness of physical-based models also needs much data-base and the help of correlative techniques. Crop productivity potential will be more important in agricultural productivity along with further researches.
出处
《干旱地区农业研究》
CSCD
北大核心
2007年第5期89-94,共6页
Agricultural Research in the Arid Areas
基金
国家粮食丰产科技工程(2004BA520A06)
关键词
作物生产潜力
经验模型
机理模型
crop productivity potential
empirical model
physical-based model
