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Archived decisions
Open a decision below. Check the area, period, inputs, result and proposed next step.
Use Change example to try different values. Use Data needed to check the fields and sources. The land-use change decision has its own comparison views.
Record your corrections below, then download your answers or print them.
Compare crop-enterprise gross margins under stated output, price and cost assumptions.
Verified published formula · Enterprise gross margin
Fictional default example · 2025.
What the selected record shows. The supplied 4,500 kg at 110 LKR/kg gives 495,000 LKR revenue. After 360,000 LKR variable costs, gross margin is 135,000 LKR.
Next step. Review the prices, quantities and costs behind the margin. Prepare margin comparison in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
Gross margin excludes some fixed and opportunity costs and does not select a suitable crop.
Gross margin = saleable output × realized price − variable costs. Divide by matching hectares for margin/ha; variable-cost break-even price = variable costs / output.
Keep fixed costs, family-labour opportunity cost, taxes and financing identifiable. Gross margin is not net profit. Crop, prices and costs are fictional coherent enterprise assumptions. Gross margin excludes fixed and financing costs; it is not household income or net profit.
Other required records: Saleable output; realized price; variable costs; hectares; crop; season.
Food and Agriculture Organization of the United Nations · Farm Management for Asia A Systems ApproachInstitution publication · Chapter 4, Gross margin and section 4.7.1
Per-hectare and variable-cost break-even outputs are algebraic rearrangements. Local costs, prices and interpretation still need confirmation.
Calculation appendix
Prepare a crop-water-needs scenario from stated weather, crop and efficiency inputs.
Verified published component · Crop evapotranspiration ETc component
What the selected record shows. Gross daily irrigation requirement: 94.412 m³/day.
Next step. Review weather, crop, water-availability and operating evidence. Prepare water-needs scenario in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
Calculated need does not establish available water or authorise irrigation.
ETc = ETo × Kc. Net = max(0, ETc + percolation + desired storage increase − rainfall after runoff − capillary contribution). Gross = net × hectares ×10 / application efficiency. Stage volume = gross daily requirement × stated stage days, only under the declared constant daily assumptions. A complete season requires all stages and dated conditions.
The full local balance, rooting depth, stress, crop stage and operating constraints still matter. The paddy allowance is explicit and must be zero where inapplicable. This is not an authorized reservoir release. This farm example is one seven-day stage, not a whole-season release plan. Rainfall, coefficient, percolation and efficiency are fictional assumptions.
Other required records: Crop stages; evapotranspiration; rainfall; soil storage; percolation; field efficiency.
Food and Agriculture Organization of the United Nations · FAO Irrigation and Drainage Paper 56 Crop EvapotranspirationInstitution publication · Chapter 5, Crop coefficient approach, equation 56
This verifies the ETc component only. Local water-balance allowances, coefficients and operating decisions still need confirmation.
Reconcile crop input mass with output, by-products, transfers and stock.
Validation required
What the selected record shows. Unaccounted physical share: 6.667 %.
Next step. Reconcile the input, output, stock and transfer records. Prepare loss-balance review in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
An unaccounted balance does not identify a loss stage or cause.
Unaccounted = input − saleable output − usable by-products − closing stock − transfers out. Share =100 × unaccounted / input.
Use a consistent moisture basis and process boundary. Unaccounted mass is not automatically avoidable food loss or spoilage.
Other required records: Batch input; saleable output; moisture; rejected quantity; transfers; stage.
Compare the proposed planting date with the stated crop-calendar date.
What the selected record shows. Calendar date difference: 8 days.
Next step. Check the matching records and reasons for the difference. Prepare difference review in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
A date difference does not supply site-specific agronomic advice.
Observed date minus planned date in calendar days. Missing actual dates are pending, not zero delay. Approved working-day rules require a defined calendar.
Other required records: Approved crop calendar; planned date; actual date; weather advisory; constraints.
Find missing soil, climate, water and crop evidence before a suitability referral.
What the selected record shows. The required evidence is incomplete for this crop choice case. The items below identify what must be obtained or reconciled.
Next step. Obtain the missing evidence listed below. Prepare evidence request in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
The checklist does not select a crop or variety.
Check each required item and retain its reference. A documented item is not a scientific, legal or institutional approval.
Evidence completeness alone cannot establish suitability, eligibility, safety, permission or method validity.
Other required records: Soil; rainfall; water; variety requirements; market demand; farm constraints.
Compare the input-cost scenario with the supplied affordable funds.
What the selected record shows. The supplied costs total 325,000 LKR for 1.2 ha. Cost per matching unit is 270,833.333 LKR/ha.
Next step. Review the funding shortfall before buying inputs. Prepare cost comparison in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
Affordability does not establish appropriate input rates or a safe treatment.
Sum non-overlapping costs, then divide by the matching verified quantity for the same currency and accounting period. Budget gap = max(0, total matching cost − funds available). This is separate from cost per hectare.
An absent or zero denominator has no unit-cost result. Keep fixed, variable and opportunity costs identifiable.
Other required records: Input quantities; prices; labour; machinery; cultivated hectares; cash availability.
Review chronological farm cash events for temporary shortfalls.
What the selected record shows. Lowest projected cash: -200000.00 LKR; shortfall: 200000.00 LKR; closing cash: 180000.00 LKR. The chronological events explain the difference.
Next step. Review funding and payment timing before committing. Prepare balance review in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
Positive closing cash does not rule out an earlier financing gap.
Order the supplied dated receipts and payments. Start with the stated opening cash; add each receipt and subtract each payment once. Minimum cash is the lowest chronological balance, including opening cash. Shortfall = max(0, −minimum cash). Closing cash is opening + receipts − payments.
These are dated fictional cash assumptions, not actual bank balances or a credit recommendation. A positive closing balance can conceal an earlier shortage. Same-day receipt/payment ordering needs evidence.
Other required records: Dated farm receipts; input payments; household commitments; debt; opening cash.
Check the soil sample against its stated analytical method and comparison bounds.
What the selected record shows. The supplied Available phosphorus by stated method result is 12 mg/kg. Its stated comparison range is 15 to 30 mg/kg. Outside example comparison bounds.
The example does not prescribe nutrient rates or treatment.
Compare the measured value only with matching parameter, unit, use and averaging period. Retain limit source/version and censored-result status.
Example bounds establish no compliance or diagnosis. Ambient, drinking-water, effluent, crop, food, air and noise standards are not interchangeable. A censored result is not an exact zero. Physical concentrations and magnitude measurements are non-negative. Signed raw instrument signals need laboratory interpretation; do not silently replace them with zero.
Other required records: Soil sample; laboratory results; crop; previous inputs; current recommendation.
Find missing symptoms, observation and sampling evidence before a pest referral.
What the selected record shows. The required evidence is incomplete for this pest diagnosis case. The items below identify what must be obtained or reconciled.
The prototype does not diagnose a disease or recommend treatment.
Other required records: Observed symptoms; crop stage; spread; photographs; advisory criteria; date.
Find missing product, crop, label and authority evidence for a treatment referral.
What the selected record shows. The required evidence is incomplete for this safe crop protection case. The items below identify what must be obtained or reconciled.
The example does not authorise pesticide use or provide a treatment dose.
Other required records: Product; crop; pest; registration; label version; restrictions; adviser recommendation.
Find missing seed-lot identity, suitability and test evidence.
What the selected record shows. The required evidence is incomplete for this seed purchase case. The items below identify what must be obtained or reconciled.
The prototype does not certify a lot or guarantee crop performance.
Other required records: Variety; lot ID; certification; germination; expiry; required quantity.
Check labour dates, usable time and task dependencies.
What the selected record shows. Planned duration: 3 days. Resolve overlapping resource bookings.
Next step. Resolve overlapping resource bookings. Prepare schedule review in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
The example does not employ workers or guarantee a suitable crop window.
Check start/end order, operating window, effort, predecessor completion and overlapping bookings for the same resource. A conflict is flagged; no optimal schedule is invented.
Other required records: Tasks; dates; labour days; available workers; weather windows; dependencies.
Compare machinery cash flows under the stated hiring or ownership assumptions.
Verified published formula · Discounted cash-flow NPV
What the selected record shows. At the supplied 8% annual discount assumption, the five-year cash flows and residual value give -2,813,783.851 LKR net present value after the initial investment. The figure compares cash flows under these assumptions.
Next step. Review the cash flows, discount assumptions and constraints. Prepare cash-flow comparison in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
Net present value does not establish operational suitability or financing approval.
NPV = −initial investment + sum of year1…5 net cash flows discounted at the stated annual rate, including residual value once in year5.
Match currency, price year, real/nominal basis and cash-flow timing. The example rate and five-year horizon are assumptions, not institutional financing terms; no credit approval follows. The three fictional choices provide the same stated service. Compare discounted costs alongside access, repair capacity and timing; this does not select a machine or arrange finance.
Other required records: Hire prices; purchase cost; maintenance; utilization; finance; operation needs.
Food and Agriculture Organization of the United Nations · Guidelines for defining financial economic environmental and social informationInstitution publication · Sections 2.2.2 and 2.2.3, discounting and Net Present Value
The five-year horizon, discount rate and cash assumptions are local settings. Verification does not approve an investment or loan.
Compare buyer receipts after stated selling costs and quality losses.
What the selected record shows. 225 × 0.950 − 15 = 198.75 LKR per initial kg. This is a net receipt, not farm profit.
Next step. Compare the stated price result and payment terms. Prepare quote comparison in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
Net receipt per initial kilogram is not farm profit or a confirmed buyer commitment.
Net receipt per initial kg = quoted buyer price × (1 − assumed mass loss% / 100) − matching transfer/handling cost per initial kg. Do not subtract a trader purchase price from a farmer’s own produce.
Quotes, loss assumptions and costs are fictional. Compare matching grades, weighing bases, payment timing and terms. The result does not authorize a purchase, sale, financing or supply agreement.
Other required records: Product grade; offer price; transport; commissions; payment terms; losses.
Compare available produce with verified buyer requirements.
What the selected record shows. Supply minus demand: -300 kg. Review quantity/capacity gap.
Next step. Review quantity/capacity gap. Prepare matching review in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
A matching quantity does not establish quality, delivery feasibility or a contract.
Compare the same specification and unit, uncommitted quantity and overlapping delivery windows. Keep mandatory quality and use conditions explicit.
A candidate match does not reserve stock, appoint a person, authorize waste reuse or form a contract.
Other required records: Available crop; grade; quantity; harvest date; buyer demand; location.
Compare water-saving choices using crop, water, cost and site constraints.
What the selected record shows. There is not enough information to choose this option. Obtain the records and evidence about conditions listed below. The supplied budget less cost is 300,000 LKR.
Next step. Obtain the missing records before choosing. Prepare evidence request in the prototype creates a visible, downloadable draft. It is unassigned and not sent.
A stated benefit does not establish measured water savings or suitability.
Compare each alternative's stated benefit, adverse effects, domain evidence and mandatory constraints. Where cost and budget are supplied, budget balance = budget − option cost. A budget balance alone does not determine domain feasibility or select an option.
Other required records: Farm exposure; water supply; crop alternatives; costs; technical advice; risks.
Compare immediate sale, storage and staggered sales under stated constraints.
Cost alone does not establish safe storage, future prices or the best sale timing.
Other required records: Storage life; costs; losses; current price; price scenarios; cash needs.
Compare farm-improvement cash flows under explicit investment assumptions.
What the selected record shows. At the supplied 8% annual discount assumption, the five-year cash flows and residual value give 109,847.353 LKR net present value after the initial investment. The figure compares cash flows under these assumptions.
A positive net present value does not establish technical suitability or manageable risk.
Match currency, price year, real/nominal basis and cash-flow timing. The example rate and five-year horizon are assumptions, not institutional financing terms; no credit approval follows.
Other required records: Capital cost; recurring cost; benefits; lifespan; financing; discount rate.
Find missing records before a farmer-support referral.
What the selected record shows. The required evidence is incomplete for this support applications case. The items below identify what must be obtained or reconciled.
The prototype does not establish final eligibility or award support.
Other required records: Scheme criteria; farm records; identity consent; prior support; required documents.
Find missing periods, units, source and enterprise definitions in farm records.
What the selected record shows. The required evidence is incomplete for this farm recordkeeping case. The items below identify what must be obtained or reconciled.
Complete metadata do not establish the accuracy of an analysis.
Other required records: Plot; crop; dates; units; purchases; harvest; sales; source documents.
Source. Sri Lanka publication.
Data needed. Seed lot, moisture reading, drying and storage history, and planned packaging.
Method. Apply RRDI’s grain moth guidance to the rice seed lot. Check moisture against the stated 8% target for this specific control and record the packing method.
Worked example. Rice seed measures 9% moisture before storage. It exceeds RRDI’s 8% target for the cited grain moth control. Review drying and packing before storage.
Next step. Dry and recheck the lot or seek advice if the intended seed storage conditions differ.
Department of Agriculture, Rice Research and Development Institute. Grain Moth guidance, prevention before seed storage.
Confirm the intended seed storage system, measurement method and seed quality after drying.
Check which existing source fields can supply the decision inputs.
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Open this screen for FarmersSee the presentation example
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