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Garden Calculators – Fertilizer Rate Calculator
x402
Garden Calculators – Fertilizer Rate Calculator is a paid API for AI agents from garden-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).
Calculates the fertilizer product quantity needed to hit a target nutrient rate (N, P₂O₅, or K₂O) per 1000 sq ft, returning total product weight, bags needed, and actual nutrients delivered.
Price / call$0.02
Success—
StatusUnknown
How this service works
Fertilizer product needed for a nutrient target per 1000 sq ft from its N-P-K analysis, with the P and K delivered and bags.
Output
Returns total fertilizer product weight in pounds and kilograms, ounces per 100 sq ft, kg per hectare, number of bags needed, actual N/P2O5/K2O delivered in pounds, plus a human-readable summary and agronomic disclaimer.
Example use cases
Lawn nitrogen application planning
“My lawn is 8,500 square feet and I want to put down half a pound of nitrogen per 1000 sq ft. I'm using a 28-0-3 fertilizer in 40 lb bags — how many bags do I need and how much product should I spread?”
Vegetable garden phosphorus boost
“I have a 500 sq ft vegetable garden and want to apply 2 lbs of P2O5 per 1000 sq ft. I have a bag of 0-46-0 triple superphosphate — how many pounds of product do I need?”
Potassium application for turf renovation
“I'm renovating a 12,000 sq ft sports field and need 1.5 lbs of K2O per 1000 sq ft. Using 0-0-60 muriate of potash in 50 lb bags — how many bags and how many total pounds of product?”
Technical details
Endpoint
GEThttps://garden-calc.x402tookit.com/fertilizer-rate?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to translate a fertilizer bag's N-P-K label into a precise product quantity for a given area and nutrient target. Ideal for lawn care agents, garden planning tools, or agricultural assistants that need to go from 'how much nitrogen do I want' to 'how many bags to buy and how much to spread.' Prefer this over generic agriculture APIs when you need bag-count output and multi-nutrient delivery accounting in a single call.
Side effects
- Invalid N-P-K analysis format (not in XX-XX-XX pattern) returns a validation error
- Target nutrient rate outside allowed range (0.05–10 lbs/1000 sq ft) returns an error
- Area outside allowed range (1–10,000,000 sq ft) returns an error
- Unknown nutrient type string returns an error
- Missing required parameters (analysis, areaSqFt, targetLbPer1000SqFt) returns 400-level error
- Payment failure or insufficient USDC balance returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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