Plowing-Preparing for sowing means you have to start doing something.
Maybe you want to start a career or study or something.
Someone helps you-that means someone helps you or you want someone to help you.
Help with a tractor-show that you want to help your people and it will help you a lot.
There are corn roots all over the floor-which means there will be many difficulties at first, you realize.
Dig the corn roots and then plow the fields-it shows that you are unwilling to give up what you are doing now and have the courage to solve difficulties.