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Calcimator

Soil Health

Planning calculators for soil health — estimates from industry-style inputs.

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Soil Health Scorecard Calculator

Generate a composite soil health score from organic matter, aggregate stability, respiration, pH, and active carbon indicators.

simple

Soil Respiration Calculator

Analyze soil CO2 flux measurements with temperature and moisture corrections to assess microbial activity and nutrient cycling.

simple

Water Stable Aggregate Calculator

Calculate water-stable aggregate percentage from wet-sieving test results to assess soil structural health and erosion resistance.

simple

Active Carbon Calculator

Permanganate-oxidizable carbon (POXC) from soil sample absorbance readings using the Weil et al. method.

simple

Soil Protein Calculator

Interpret autoclave-citrate extractable (ACE) soil protein results to estimate nitrogen mineralization potential and fertilizer credits.

simple

Earthworm Count Calculator

Estimate earthworm population density per acre from field sample counts with moisture corrections.

simple

Soil Biology Assessment Calculator

Interpret PLFA soil biology lab results to assess microbial community composition, food web structure, and biological stress indicators.

simple

Soil Compaction Assessment Calculator

Interpret penetrometer readings at multiple depths to identify compaction layers, estimate rooting depth, and assess yield impact.

simple

Cover Crop Biomass Calculator

Estimate above-ground biomass, carbon contribution, and nitrogen credits from cover crop species based on growing degree days.

simple

Soil Health Improvement Timeline Calculator

Project soil organic matter gains and health improvements over time based on management practices adopted.

simple