; and (ii) provide protection for production or revenue losses, or both. (10) Subsurface irrigation practices The Corporation shall offer to enter into a contract with a qualified entity to conduct research and development regarding the creation of a separate practice for subsurface irrigation, including the establishment of a separate transitional yield within the county that is reflective of the average gain in productivity and yield associated with the installation of a subsurface irrigation system. (11) Study and report on grain sorghum rates and yields (A) Study The Corporation shall contract with a qualified entity to conduct a study to assess the difference in rates, average yields, and coverage levels of grain sorghum policies as compared to other feed grains within a county. (B) Report Not later than 1 year after the date of enactment of this paragraph, the Corporation shall submit to the Committee on Agriculture of the House of Representatives and the Committee on Agriculture, Nutrition, and Forestry of the Senate a report that describes the results of the study conducted under subparagraph (A). (12) Quality losses (A) In general The Corporation shall offer to enter into a contract with a qualified entity to conduct research and development regarding the establishment of an alternative method of adjusting for quality losses that does not impact the average production history of producers. (B) Requirements Notwithstanding subsections (g) and (m) of section 508, if the Corporation uses any method developed as a result of the contract described in subparagraph (A) to adjust for quality losses, such method shall be— (i) optional for producers to elect to use; and (ii) offered at an actuarially sound premium rate. . 10009. Extension of funding for research and development Section 522 of the Federal Crop Insurance Act ( 7 U.S.C. 1522 ) is amended— (1) by striking subsection (d); (2) in subsection (e)(2)(A)— (A) by striking under subsections (c) and (d) and inserting under subsection (c)