The Rural Technology Initiative ceased operations in 2011. This site is maintained as an archive of works from RTI collaborators from 2000 to 2011 and is no longer updated. |
|
||||||||||||||||||||||||||||||||||||||
![]() |
||||||||||||||||||||||||||||||||||||||
![]()
|
|
Examples of hemispherical photos of 4 vigor classes. Percent full
sun is percent of total solar radiation calculated from hemispherical
photographs.
|