Growing degree days, ET0, plant counts, fertilizer maths, lime, irrigation time, feed and stocking arithmetic.
payments ON MAINNET (real money) · 10 live endpoints
| Endpoint | Price | What it answers |
|---|---|---|
GET /et0-hargreaves | $0.02 | Hargreaves reference evapotranspiration (mm/day) from max and min temperature, latitude and day of year. |
GET /feed-ration | $0.02 | Livestock feed needed per day and for a period from head count, body weight, dry-matter intake, feed moisture and waste. |
GET /fertilizer-rate | $0.02 | Fertilizer product rate and total needed to hit a target N, P2O5 or K2O rate, and all nutrients it supplies. |
GET /gdd | $0.02 | Growing degree days from daily max and min temperatures: modified corn 86/50 F method or the simple standard average. |
GET /irrigation-time | $0.02 | Irrigation run time and water volume to apply a depth over an area at a pump or system flow rate and efficiency. |
GET /lime-estimate | $0.02 | ILLUSTRATIVE lime rate estimate to raise soil pH, by texture, product strength and depth. Not a lab recommendation. |
GET /npk-blend | $0.02 | N-P-K analysis of a dry fertilizer blend from components given as analysis:weight, plus elemental P and K. |
GET /plant-count | $0.02 | Plants and seeds needed for an area from row and in-row spacing (grid or triangular), with germination allowance. |
GET /stocking-rate | $0.02 | Grazing carrying capacity in animal unit months from acres, forage yield, use percent and days, with an optional herd check. |
GET /yield-convert | $0.02 | Convert crop yield between bushels per acre and kg per hectare for corn (56 lb), wheat and soybeans (60 lb). |
GET /catalog returns this list as JSON. Activity hub · uptime.
Farm and garden arithmetic computed locally from the inputs given, provided as is. The lime estimate is illustrative only; soil test labs and local extension guidance override every number here. Not agronomic, veterinary, legal or financial advice. Every paid response carries a disclaimer field.