施肥比例要適當。黃瓜需要氮、磷、鉀的比例
，苗期為4.5:1:5.5盛瓜期為2.5:1:3.7氮鉀的比例大於磷，鉀的需要量大於氮，所以鉀肥施用不能忽視。

施shi肥fei量liang過guo大da，土tu壤rang鹽yan分fen濃nong度du高gao，阻zu礙ai黃huang瓜gua吸xi收shou水shui分fen和he養yang分fen。這zhe不bu僅jin影ying響xiang黃huang瓜gua植zhi株zhu生sheng長chang，而er且qie結jie瓜gua畸ji形xing。因yin此ci
，黃huang瓜gua施shi肥fei要yao適shi量liang
，一yi般ban每mei生sheng產chan1000千克黃瓜需要N2.8-3.2千克，P2O51.2-1.8千克，K2O3.6-4.4千克。

yaozhuyihouqishifei。suizhehuangguadeshouhuo，yangfenbuduanxiaohao
，xuyaowenerchangdeyangfengongying，ruohouqihushizhuifei，huangguayinquefeierzaoshuai，youxiaocaishouqisuoduan
，huangguachanliangxiajiang，erqiewanquguadengjixingguazengduo。weilebaozhenghouqiyangfendexuyao，yibanhuangguadingzhihouxuyaozhuifei8-10次
，還要結合有機肥的施用。