Description
Calculate supplied residue dry-mass return fraction.
Agroecological metrics depend on sampling units, nonoverlapping coverage categories, mass bases and area denominators. Yield per whole plot differs from yield per allocated crop area, and literal crop-code richness per area is not rarefied diversity. Local count expansion assumes comparable density beyond the sampled segment.
Calculate supplied residue dry-mass return fraction.
When to use this tool
Use Crop Residue Returned Mass Share when you already have totalResidueDryMass, returnedDryMass and need to calculate supplied residue dry-mass return fraction.
How to use the tool and how it works
- Enter totalResidueDryMass, returnedDryMass. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read returnedFraction, removedDryMass. Use the output convention below.
Require totalResidueDryMass>0 and returned within [0,total]; return returned/total and total-returned.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| totalResidueDryMass | Total Residue Dry Mass | Required. Finite number; strictly above 0. |
| returnedDryMass | Returned Dry Mass | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| returnedFraction | Returned Fraction | Required. Finite number. |
| removedDryMass | Removed Dry Mass | Required. Finite number. |
{
"input": {
"totalResidueDryMass": 80,
"returnedDryMass": 60
},
"output": {
"returnedFraction": 0.75,
"removedDryMass": 20
}
}Limitations and assumptions
- All masses need the same dry basis. No residue, nutrient availability, soil response, removal effect or suitable practice is assessed.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use the complete survey, experiment and ecological analysis. Check detection, spatial variation, sampling representativeness and resource boundaries before interpreting local fractions or supplied labels as ecological benefits or suitable practices.
References
Similar or alternative tools
- Agroecosystem Reused Input Fraction
Calculate supplied reused-input mass fraction.
- Resource Loop Lost Input Share
Calculate supplied lost-input share and retained amount.