TY - GEN AU - Gamon,J A AU - Field,C B AU - Fredeen,A L AU - Thayer,S TI - Assessing photosynthetic downregulation in sunflower stands with an optically-based model SN - 1573-5079 PY - 2001/// PB - Photosynthesis research N1 - Publication Type: Journal Article UR - https://doi.org/10.1023/A:1010677605091 ER -