田间管理

tián jiān guǎn lǐ bì xū gēn jù gè dì zì ran tiáo jiàn hé zuò wù shēng zhǎng fā yù de tè zhēng

田间管理必须根据各地自然条件和作物生长发育的特征。

Field management must be based on local natural conditions and the characteristics of crop growth and development.