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Computes the observed germination rate and a Wilson score interval from germinated and tested counts using a supplied normal critical value. It does not correct sampling bias, test vigor, identify disease or predict field emergence.

Converts area, sampling depth, bulk density and initial/final organic-carbon mass fractions into stock estimates and a gross CO2-equivalent difference. This is a simple stock-difference calculation; it does not establish additionality, permanence, leakage, sampling representativeness, credit eligibility or verified carbon removal.

Builds parallel passes over an axis-aligned rectangle using supplied swath width and overlap, alternating travel direction to reduce deadhead distance. Coordinates are in caller-supplied local units. It does not use maps, terrain, wind, obstacles, battery limits, no-fly zones, chemical rules or flight-control integration.

For each field cell, subtracts measured available nutrient from a supplied target and divides positive deficits by an explicit recovery fraction. It reports per-hectare rates and area totals. It does not infer crop targets, validate laboratory samples, account for nutrient chemistry or constitute an agronomic application prescription.

Accumulates simple daily degree-days above a supplied base temperature and combines threshold progress with mean humidity and host availability. The score is a deterministic planning heuristic over caller data; it does not identify a pest, ingest surveillance data, model population dynamics or prescribe pesticide use.

Converts each supplied storage segment into equivalent ageing at a reference temperature using a caller-supplied Q10 factor, then compares the sum with nominal shelf life. This empirical approximation is not a microbial model, food-safety decision, sensor feed, cold-chain certification or release authorization.

Runs a deterministic bucket balance for each supplied day. Rain is reduced by a caller-selected runoff fraction, evapotranspiration is subtracted, water above field capacity is reported as drainage, and storage is bounded at zero. This is a root-zone accounting model, not a sensor reading, weather forecast, hydraulic simulation or irrigation command.

Adds simple degree-days from caller-supplied daily temperatures to an existing accumulation, then marks days that meet a supplied maturity threshold, crop-moisture interval and maximum rain constraint. It does not obtain a forecast, model crop physiology, inspect a field or guarantee harvestability.

Compares temperature, heart rate and an activity ratio with ranges supplied by the caller, then reports normalized deviations and a simple screening band. It is species-agnostic arithmetic, not veterinary diagnosis, remote monitoring, triage or treatment advice; reference ranges must come from a qualified source.

Adds lighting, equipment, people, envelope and ventilation heat flows at one supplied operating point, and converts evapotranspiration into a latent moisture-removal load. It is a steady-state sizing estimate without duct losses, thermal mass, equipment curves, controls, infiltration uncertainty or psychrometric state validation.