摘要
本文从实际出发,根据最小因子控制律和报酬递减律,分析了我省农业施用化肥的水平,阐明了我省农业现阶段与将来,对化肥品质与数量的要求,以及氮、磷、钾合理的施用比例.为缓解我省化肥工业与农业需求的矛盾,提出了有关技术性的措施意见.
This paper proceed from actual conditions.According to the control law ofminimum factors and principles of successively decreasing rewards,reveals the factthat the application of chemical fertilizers in agriculture of Qinghai Province analysesthe needs of quality and quantity of chemical fertilizers both at the present and futurephases as well as rational proportion of applying effeotive nitrogenous,phosphate andpotash,fertilizers.The paper also puts forth suggestions in terms technical measuresregarding the solution to the problem which the industry of chemical fertilizers of theprovince has to face due to its failure to meet the needs of agriculture.
出处
《青海师范大学学报(自然科学版)》
1990年第4期47-54,共8页
Journal of Qinghai Normal University(Natural Science Edition)
关键词
化肥
施肥
农业
青海
Chemical fertilizers
Forecasting model
Control law of minimum factors
Principles of successively decreasing rewards