What is smother crop ? Qnd what is cqtch trap crop explqin in detail I founs a question on this.

Dear student,                                                                                                                                                                 
​Please find below the solution to the asked query                   

Smother crops are the ones that does not allow weeds to grow. They are basically sown to stop the growth of persistent weeds.
Example:  Buckwheat, soyabean etc.

Trap crops are the ones that attract agricultural pests such as insects, moths etc. so that they are kept away from attacking the nearby crops.
Example: Alfalfa, rose etc.

Hope this information will clear your doubts about the topic.    Regards