TY  - RPRT
TI  - Determining density of maize canopy. 3: Temporal considerations
AU  - Stoner, E. R.
AU  - Baumgardner, M. F.
AU  - Anuta, P. E.
AU  - Cipra, J. E.
PY  - 1972
UR  - https://ntrs.nasa.gov/citations/19730007694
ID  - 19730007694
ER  -