(1) The department is authorized to formulate for each calendar year and to submit to the secretary of agriculture of the United States, for and in the name of this state, a state plan for carrying out the purposes of this article during such calendar year.

(2) The department is authorized to modify or revise any such plan in whatever manner, consistent with the terms of this article, it finds necessary to provide for more substantial furtherance of the accomplishment of the purposes of this article.

(3) Each such plan shall provide for such participation in its administration, by voluntary county and community committees or associations of agricultural producers organized for such purposes, as the department determines to be necessary or proper for the effective administration of the plan.

(4) Each such plan shall provide, through agreements with agricultural producers or through other voluntary methods, for such adjustments in the utilization of land, in farming practices, and in the acreage or in the production for market, or both, of agricultural commodities, as the department determines to be calculated to effectuate as substantial an accomplishment of the purposes of this article as may reasonably be achieved through action of this state, and for payments to agricultural producers in connection with such agreements or methods in such amounts as the department determines to be fair and reasonable and calculated to promote such accomplishment of the purposes of this article without depriving such producers of a voluntary and uncoerced choice of action.

(5) Any such plan shall provide for such educational programs as the department determines to be necessary or proper to promote the more substantial accomplishment of the purposes of this article.

(6) Each such plan shall contain an estimate of expenditures necessary to carry out such plan, together with a statement of such amount as the department determines to be necessary to be paid by the secretary of agriculture of the United States as a grant to aid of such plan under section 7 of the "Soil Conservation and Domestic Allotment Act", in order to provide for the effective carrying out of such plan, and shall designate the amount and due date of each installment of such grant, the period to which such installment relates, and the amount determined by the department to be necessary for carrying out such plan during such period.

(7) The department shall provide for such investigations as it finds to be necessary for the formulation and administration of such plans.