dafanzhiwudoushixifeixishuide，danshiduiguoshulaishuoshifeibushiyueduoyuehao。guoliangshifei，guoshuwangwangchaochuqizhengchangshenglixuyaoerguoduodixishouyangfen
，zhinengzengjiashutineiyangfendenongdu，duichanliangdezengjiaquemeiyouzuoyong。且可造成以下不良影響：

1、影響果實的品質：肥料的種類、施肥方法和施肥時期是影響果實著色、風味
、yingyangchengfenhezhuzangnenglidezhuyaoyinsu。guoshishengchanghouqi，ruodaliangshirudanfei，huishiguoshihantangliangjiangdi，yingduxiajiang，zhesebuliang，bunaizhuzang
，congerjiangdiqishangpinjiazhi。

2、影響枝條及芽子的質量：ruozaiqiujishiruguoliangdanfei
，huishiqiushaowangchang，luoyeyanchi
，zhitiaochengshudubugou

，dongjiyizaochengchoutiao。lingwai，youyuxinshaotingzhishengchangjiaowan
，zhitiaoneiyangfenbuzu，bulixingchengbaomanzhuangshidehuaya，yingxianglainianguoshidezhiliangjichanliang。

3、引起中毒：yinshirudaliangfeiliao，zengjialeturangrongyedenongdu，shiguoshugenxixishoushuijiwujiyanfashengkunnan，zaochengdishangbuweiyan，ruobujishibujiu，jiangshishutiyinwufaxishoushuifenersiwang。

4、造成樹體營養元素的失衡：養yang分fen離li子zi之zhi間jian存cun在zai著zhe拮jie抗kang作zuo用yong，即ji某mou種zhong養yang分fen離li子zi的de存cun在zai能neng抑yi製zhi另ling一yi種zhong或huo多duo種zhong養yang分fen離li子zi的de活huo性xing
，從cong而er影ying響xiang樹shu體ti對dui它ta的de吸xi收shou。如ru在zai酸suan性xing土tu壤rang裏li氮dan肥fei的de施shi入ru量liang就jiu不bu宜yi過guo多duo，否fou則ze作zuo物wu吸xi收shou鈣gai離li子zi就jiu很hen困kun難nan。過guo多duo的de施shi用yong鈣gai肥fei會hui誘you發fa作zuo物wu患huan鋅xin、硼、鐵、鎂、mengdequefazheng。jiafeiyouliyuzengchan，kezengjiaguoshihuaqingsudexingcheng，zengjinzhesehefengweipinzhi，tigaoyingduhehantangliang，bingnengjianshaoshishui。kejiafeiyongliangguoduozehuiyingxiangguoshuduigailizi、鎂離子的吸收。