甘薯新品种浙薯132早收栽培扦插密度与施肥技术  

Test on Cuttage Density and Fertilizer Technique of A New Sweet Potato "Zheshu 132" for Early Harvest Cultivation

作　　者：刘伟明[1] 

机构地区：[1]台州科技职业学院,浙江黄岩318020

出　　处：《湖北农业科学》2011年第2期242-243,共2页Hubei Agricultural Sciences

基　　金：浙江省重大科技专项(2006C12018)

摘　　要：选择了扦插密度、尿素用量和硫酸钾用量等3个试验因子,采用单形格子设计,布置田间参数试验,建立了3个供试因子与鲜薯产量和净产值的回归数学模型,经对模型的解析,并结合生产实际认为,在试验条件下,浙薯132的扦插密度为4.20万～4.50万株/hm2,尿素用量为240～300 kg/hm2,硫酸钾用量为300 kg/hm2。Cuttage density,amount of applied urea and potassium sulfate were chosen as test factors;and a field experiment of planting＂Zheshu 132＂,a new sweet potato variety,was carried out with simple lattice design.Based on the experimental results,regression models of the fresh sweet potato yield and net output value with the three factors were established.Accord ing to the regression analysis and production actuality,the cuttage density,amount of urea and the anount of potassium sul fate for＂Zheshu 132＂should be 42 000～45 000 plants/hm2,240～300kg/hm2 and 300kg/hm2 respectively.

关 键 词：甘薯 浙薯132 早收栽培 扦插密度 施氮技术 

分 类 号：S531.045[农业科学—作物学] S531.062