摘要
本文从探讨土地生产潜力的角度入手,根据研究区的自然条件及生产特征,建立了光、温、水和土壤条件对农业自然生产潜力的影响模型;通过对模型的计算分析,明确了影响本县粮食生产的各耕作土壤中存在的限制因子的位序,土填养分供应状况>水分供应>光温条件。为分阶段地进行土壤改良提供了依据。
Based on the natural conditions and productive features, a model of agricultural potentiality affected by the natural conditions such as light, temperature, precipitation and soil fertility was established. The order of limiting factors influencing the grain production in cultivated lands was: supplying state of soil nutrition,precipitation,light and temperature conditions. It would be the scientific basic for soil improvement.
出处
《贵州农业科学》
CAS
1992年第6期7-12,共6页
Guizhou Agricultural Sciences
关键词
自然生产潜力
限制因素
耕作土壤
agricultural productive potentiality
limiting factors
