Method for planting dry land wheat

The invention relates to the technical field of wheat planting, in particular to a method for planting dry land wheat. The method comprises the following steps: a rainfall year type of the second year is predicted according to a year type prediction method in the first year; in the second year, seed selection, seed dressing and soil deep ploughing are conducted, base fertilizer is applied according to the predicted rainfall year type, and the wheat seeds subjected to seed dressing are sown; a growth regulator is sprayed at the booting stage and the middle and later grouting stages of the wheat, a leaf fertilizer is sprayed at the middle and later grouting stages of the wheat, harvesting is conducted at the final ripening stage of the wheat, and wheat straw is returned to the field; and the planting method in the third year is the same as the planting method in the second year, the land is deeply scarified and not deeply ploughed in the fourth year, and a three-year rotation ploughing planting mode of deep plo