不同施鉀量對大頭菜生長、產(chǎn)量和品質(zhì)的影響
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中圖分類號：S637.1 文獻標志碼：A 文章編號：1673-2871（2025）06-175-06
Effects of different potassium application rates on growth， yield and quality of turnips
DAI Lijuan’，DENG Xiankang'，WANG Qin1 ，QIUYuan'，DONG Cuicui2，CHEN Min'，QIU Yuan2， LIURanfang'
（1.ZigongcectuleZgoo;gonngistictcdl AffairsBureau，Zigong643o20，ichuan，China）
Abstract：Thelocalspeciesleaflessturnipswasusedasexperimentalmaterialandtheefectsofdiffrentpotassium applicationrates （0，5，10，15，20，25kg?667m-2）（ onthegrowth，yield and qualityof turnips were investigated bymeasuringthe agronomic traits，yieldandquality indicators.Theresults showed that theapplication ofpotassium fertilizer could ffectively promotetherootgrowth，raise thefleshrootyield，improveeconomiceficiencyincrease thecontentof solublesugar，freeaminoacids，proteinandglucosinolates inthesuculentroot，reduce thecontentoftotalacidityand hardness.Compared with control （0kg?667m-2） ），thesingle root mass，yield and economic efficiency of turnipswith potassium application rate 15-20kg?667m-2 were increased by 12.06%-20.99% 6.31%-7.36% and 4.58%-4.98% ，respectively.The root length，root diameter，soluble sugar content and glucosinolates content were the highest in 15kg?667m-2 （204號 potassiumaplicationrate，andthehardness wasmoderate;thecontentoffreeaminoacid，proteinandtheeconomybenefit were the highest in 20kg?667m-2 potassium application rate.In conclusion， the optimal potassium application rate was 15-20kg?667m-2 for turnips production.
Key words： Turnips; Potassium application rate; Yield; Quality
大頭菜屬十字花科蕓薹屬芥菜種大頭芥變種，農(nóng)藝學(xué)分類屬于根用芥菜↓，入口脆嫩味美，生津開胃，且含有豐富的維生素、糖類、蛋白質(zhì)等，深受消費者喜愛[2-3]。（剩余9024字）