Tiêu đề Weed AFU Class Note BY Santosh Marahatta.pdf ✅

Definition • A weed is a plant considered undesirable in a particular situation, “a plant in the wrong place". • A weed is a plant growing where it is not desired • Jethro Tull (1731): Weeds are plants growing in places and at times where or when we wanted • Either some other plants to grow • Or no plant grow at all