The Quarter - girth formula
29:38
Volume: Direct calculations through sections
29:54
Basal area of a tree and stand
1:17:15
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15:27
اداوات وافكار مبتكرة مذهلة في خراطة المعادن
44:39
Volume Table
21:51
Normalized difference vegetation Index (NDVI)
8:53
Estimating tree volume with Denzin's formula and form factor of a tree
9:44