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作 者:龚军[1] 曹国璠[1] 赵利辉 穆志国 贾正亮[1]
机构地区:[1]贵州大学农学院,贵州贵阳550025 [2]贵州省贵阳市花溪农业局,贵州贵阳550025
出 处:《安徽农业科学》2007年第28期8771-8772,8775,共3页Journal of Anhui Agricultural Sciences
基 金:贵阳市科技局项目
摘 要:以马铃薯与胡萝卜套作最佳栽培措施组合为研究目的。采用二次正交旋转组合试验设计方法,建立以马铃薯产量、胡萝卜产量和单位面积产值为目标函数的数学模型。经过多目标模糊优化,选出套作栽培条件下的最佳综合栽培措施方案为:马铃薯播种密度在2.85万株/hm2、胡萝卜播种密度为105万株/hm2、胡萝卜播种期在8月16号左右、施磷量为112.5 kg/hm2、施钾方式为基肥60%+现蕾期40%。The aim of research was to seek the optimum cultivation measure combination of intercropping of potato and carrot.Quadratic orthogonal rotation combination design method was used to set up mathematical model with potato yield,carrot yield and production value unit area as objective functions.According to multi-objective fuzzy optimization,the optimum comprehensive project of cultivation measures was as follows: the sowing density of potato was 2.85×104plants/hm2,the sowing density of carrot was 105×104plants/hm2,the sowing date of carrot was the 16th of August,phosphorus-fertilization amount was 112.5 kg/hm2 and the mode of kalium fertilization was 60% of total amount as basic fertilizer and 40% in budding stage.
分 类 号:S11[农业科学—农业基础科学]
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