中国马铃薯2025，Vol.39Issue(2)：125-130,6.DOI:10.19918/j.cnki.1672-3635.2025.02.007
氮钾配施对'龙薯23'产量及其构成因子的影响
Effects of Combined Application of Nitrogen and Potassium on Yield and Its Components of'Longshu 23'
摘要
Abstract
With the diversification of potato processing methods and the insufficiency of domestic processing varieties to meet processing demands,increasing the yield and quality of processing potatoes is urgently needed.'Longshu 23'is a newly developed French fry processing variety in recent years,characterized by cold tolerance,tolerance to poor soils,and strong adaptability.This study used'Longshu 23'as the test variety and established nitrogen(N)and potassium(K)nutrient treatments.Nitrogen treatments were:N1(base fertilizer 4 kg/667m2),N2(base fertilizer 6 kg/667m2),N3(base fertilizer 4 kg/667m2+topdressing 4 kg/667m2),and N4(base fertilizer 6 kg/667m2+topdressing 4 kg/667m2).These were combined with potassium treatments K1(7.5 kg/667m2)and K2(10 kg/667m2).The aim was to understand the effect of comprehensive supporting high-yield cultivation and fertilization techniques on potato yield and its components.N4K2 treatment(N base 6 kg/667m2+topdressing 4 kg/667m2;K 10 kg/667m2)achieved the highest levels of yield,marketable tuber percentage and tuber weigh for'Longshu 23',which were 3 879 kg/667m2,81.67%and 605.0 g,respectively.This study would provide a reference for potato growers to increase yield and enhance farmers'economic income.关键词
龙薯23/氮肥/钾肥/产量/产量构成因子Key words
Longshu 23/nitrogen fertilizer/potassium fertilizer/yield/yield components分类
农业科技引用本文复制引用
张颖,卜玫辰,石瑛..氮钾配施对'龙薯23'产量及其构成因子的影响[J].中国马铃薯,2025,39(2):125-130,6.基金项目
现代农业产业技术体系专项资金(CARS-09). （CARS-09）
