Sam Gorman

Find tree diameter from circumference or diameter input, with DBH measuring-height notes and field guidance for slopes, forks, and swell.

Estimate a living tree’s age from trunk circumference or diameter, tree species, and a growth factor.

Estimate leaves on a tree from canopy size, sample leaf count, and LAI, with round or oval canopy options and a low-high range.

Calculate basal area for one tree, a fixed-area plot, or a prism sample from DBH, circumference, or field tallies.

Calculate dry fertilizer for direct mix or injector stock tanks using bag %N, target ppm, water amount, and ratio.

Calculate total water potential from pressure and solute potential, or derive solute potential from concentration and temperature.

Estimate seasonal vegetable harvest in pounds from plant count, planted bed area, or row length using your yield rate.

Calculate seeds, final plants, or transplant positions for equal-length vegetable garden rows.

Calculate air VPD in kPa from temperature and humidity, or find the humidity or temperature needed for a target VPD.

Calculate soil for garden beds, round spaces, known areas, and planters in cubic feet, cubic yards, and whole bags.