TY - RPRT TI - Subfield-level crop yield mapping without ground truth data: A scale transfer framework AU - Yuchi Ma AU - Sang-Zi Liang AU - D. Brenton Myers AU - Anu Swatantran AU - David B. Lobell UR - https://ntrs.nasa.gov/citations/19594479978287 ID - 19594479978287 ER -