Foliar application to dicotyledon is better than to monocotyledon because of different leaf types and structures of surface wax, and of different varietals plants of homogeneity.

• 叶片类型及叶表蜡质层结构与组成的不同造成双子叶植物叶面施肥效果好于单子叶植物，甚至同种类不同品种的植物叶面养分吸收也不同；