I am urgently looking for the left-hand chords of the electronic piano sheet of the song "The Wind Blows the Wheat Waves". I don't know how to match it. Can any kind-hearted person help me?

I will answer according to the score above

1 is the 1st degree chord D in the key of D major

5 is the 5th degree chord A in the key of D major

6 is the 6th degree chord Bm in D major

2 is the 2nd degree chord Em in D major

4 is the 4th degree chord G in D major (this Not inside)