What does it mean to destroy wheat and cut green?

cut young wheat crops and sell them for money, destroying immature wheat. According to the relevant public information, the wheat in the north entered the filling stage at the end of April and the beginning of May, and the joy of harvest will be ushered in another month. However, in Henan, Shandong, Hebei and other places, which are the main producing areas of wheat in China, there have been cases of cutting young wheat crops and selling them for money, destroying immature wheat.