II 118th CONGRESS 1st Session S. 732 IN THE SENATE OF THE UNITED STATES March 9, 2023 Mr. Grassley (for himself, Mr. Tester , Mr. Thune , and Mr. Brown ) introduced the following bill; which was read twice and referred to the Committee on Agriculture, Nutrition, and Forestry A BILL To amend the Agricultural Research, Extension, and Education Reform Act of 1998 to direct the Secretary of Agriculture to establish a national biochar research network, and for other purposes.