Compost and Mulch
Worm Population Growth Calculator
Worm Population Growth calculates projected worm biomass for one set of garden measurements. The explanation covers the inputs, method, and field limitation.
Enter values for projected worm biomass
Read each Worm Population Growth field note before calculating projected worm biomass.
Scope of this projected worm biomass calculation
Worm Population Growth focuses on Projected worm biomass and combines Starting worm biomass and Growth factor.
Use projected worm biomass to project worm biomass using an observed growth factor, then inspect starting worm biomass in the field.
Projected worm biomass: condition to verify
Temperature, moisture, crowding, and feed limit growth.
Input definitions for projected worm biomass
For projected worm biomass, collect Starting worm biomass and Growth factor on the Worm Population Growth basis.
- Starting worm biomass. Default in Worm Population Growth: 4 lb.
- Growth factor. Default in Worm Population Growth: 1.6×.
Checking projected worm biomass in practice
Measure mulch depth after settling if the output will be used for replenishment. Keep material away from stems where the crop requires clearance.
From starting worm biomass to projected worm biomass
Worm Population Growth multiplies factors from Starting worm biomass and Growth factor to produce projected worm biomass.
For the prefilled measurements—starting worm biomass at 4 lb and growth factor at 1.6×—the calculated answer is 6.40 lb.
Interpreting this projected worm biomass value
Worm Population Growth summarizes its formula as Projected worm biomass.
Worm Population Growth record to keep
For Worm Population Growth, preserve Starting worm biomass and Growth factor and the resulting Projected worm biomass.
Mark starting worm biomass as observed or assumed and cite the product label, test, count, or measurement when applicable.
After use, record what happened in the garden on the same basis as projected worm biomass.
What changes when starting worm biomass changes
In the Worm Population Growth example, changing Starting worm biomass from 4 lb to 4.4 lb produces 7.04 lb rather than 6.40 lb. A separate estimate of bokashi bran comes from Bokashi Bran Requirement Calculator.
Use starting worm biomass only to compare projected worm biomass.
Pair starting worm biomass with Worm Population Growth site observations.
Before relying on projected worm biomass
Does Worm Population Growth account for moisture and settling?
Only when moisture or settling appears among its inputs. Interpret projected worm biomass alongside feedstock condition, particle size, compaction, and decomposition.