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Managing land, soil, and organic systems requires more than intuition.
Managing land, soil, and organic systems requires more than intuition.
Small miscalculations in fertilizer application, water collection, or compost balance can lead to plant damage, nutrient loss, wasted resources, and long-term soil degradation.
Small miscalculations in fertilizer application, water collection, or compost balance can lead to plant damage, nutrient loss, wasted resources, and long-term soil degradation.
This calculator hub provides practical tools designed to help growers, homesteaders, and land managers make informed decisions using simple, purpose-built calculations. Each tool focuses on preventing common mistakes by aligning inputs with real-world conditions rather than guesswork.
Choose the Right Calculator for the Job
Choose the Right Calculator for the Job
Use these calculators based on the specific problem you are trying to solve.
Use these calculators based on the specific problem you are trying to solve.
No-Burn Fertilizer Calculator
No-Burn Fertilizer Calculator
Use this tool when applying nitrogen, phosphorus, or potassium and you want to avoid over-fertilization that can burn plants or disrupt soil biology. It helps estimate safe application rates based on nutrient balance rather than excess.
Rainwater Harvesting Calculator
Rainwater Harvesting Calculator
Use this tool when planning rainwater collection from roofs or structures. It estimates how much water can realistically be captured and stored, helping you size tanks correctly and plan supplemental water use.
Compost Ratio Calculator
Compost Ratio Calculator
Use this tool when building compost piles and balancing green nitrogen materials with brown carbon materials. Proper ratios improve decomposition speed, reduce odors, and produce more consistent compost.
Why These Calculations Matter
Why These Calculations Matter
Most soil and water problems are not caused by lack of effort, but by incorrect inputs.
Most soil and water problems are not caused by lack of effort, but by incorrect inputs.
Over-application of fertilizer, undersized water storage, and poorly balanced compost piles waste resources and create avoidable damage. These calculators are designed to reduce those risks by providing clear, practical guidance grounded in basic system limits.
Each tool is intended to support better decisions, not replace experience, and works best when used as part of a thoughtful land management process.
♻️ Compost Ratio Calculator — Process Stability Assessment
♻️ Compost Ratio Calculator — Process Stability Assessment
Use this calculator to balance carbon-to-nitrogen ratios before building or turning a compost pile.
Use this calculator to balance carbon-to-nitrogen ratios before building or turning a compost pile.
It helps identify whether a mix is likely to decompose efficiently, stall, or generate odor and nutrient loss.
This tool is intended to prevent common compost failures by clarifying how material ratios affect microbial activity and breakdown speed.
Open it when adjusting inputs or diagnosing why an existing pile isn’t performing as expected.
👉 Best used before pile construction or when correcting slow or problematic compost.
💧 Rainwater Catchment Calculator — System Feasibility Check
💧 Rainwater Catchment Calculator — System Feasibility Check
This calculator is used to determine whether rainwater harvesting is viable at your specific scale and climate, before investing time or materials.
This calculator is used to determine whether rainwater harvesting is viable at your specific scale and climate, before investing time or materials.
It estimates realistic water capture based on roof area, rainfall patterns, and collection efficiency. Helping you avoid undersized systems or false expectations.
Use this tool to assess capacity limits, storage needs, and seasonal reliability so water harvesting decisions are grounded in math, not optimism.
👉 Best used during system planning or before installing tanks or gutters.
🌱 No-Burn Fertilizer Calculator — Decision Context
🌱 No-Burn Fertilizer Calculator — Decision Context
Use this calculator before applying fertilizer in a no-burn or low-disturbance system.
Use this calculator before applying fertilizer in a no-burn or low-disturbance system.
It helps evaluate whether added nutrients are likely to be absorbed, lost, or cause imbalance based on soil conditions, timing, and system constraints.
This tool is designed to prevent nitrogen loss, runoff risk, and unnecessary inputs. By clarifying when fertilization supports soil biology—and when it quietly undermines it.
Open this tool when you’re deciding whether to apply fertilizer at all, not just how much.
👉 Best used prior to amendments or seasonal nutrient planning.
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