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At the garden or cropland site / Nairobi area, Kenya (samples submitted to a soil-testing laboratory of the grower's choice)

Garden/cropland soil test sampling + lab-plan stewardship — Nairobi area, Kenya.

Collect a properly zoned, cored composite soil sample from a Nairobi-area field or garden for a soil-testing laboratory. Read all of it

Not funded yet. Settles as earned credit, $135 proposed.

Claim this job

Proof it takes, the deadline, the level
  • ProofLab's published protocol followed: zoning, depth, coring, compositing + Submission completed, sample submitted with any fee + Submission date and reference recorded + Lab report transcribed verbatim + No packet-authored amendment rate
  • Open until2027-02-27
  • Levelentry
All of it: the words, the place, the proof

Collect a properly zoned, cored composite soil sample from a Nairobi-area field or garden for a soil-testing laboratory. A University of Nairobi survey of 64 maize fields used soil tests to find limiting nutrients. This packet's whole job is sampling quality and acting only on the laboratory's own report.

Offer to pay $135. The receipt lands onchain once the proof is approved.

What it looks like
A farmer near Nairobi walks a maize field in a zigzag, pushes a soil auger to the same depth at each stop, mixes the cores in a clean bucket, and bags a labelled sample for the laboratory.

A description of this kind of work, not a record that it happened here.

Where
At the garden or cropland site / Nairobi area, Kenya (samples submitted to a soil-testing laboratory of the grower's choice). Open the map
Pay
$135 proposed

This job is not funded yet, so this figure is a proposed price, not money held for the worker. If a buyer funds it, approved proof settles that price onchain. If nobody funds it, approved proof earns provable credit toward the work instead of cash: recorded, and readable any time at vealth.net/labor/credit/(your wallet). You see which before you claim, never after.

Proof
Lab's published protocol followed: zoning, depth, coring, compositing + Submission completed, sample submitted with any fee + Submission date and reference recorded + Lab report transcribed verbatim + No packet-authored amendment rate

This is exactly what gets it approved. Nothing settles without it.

Level
entry: anyone can start here
Open until
2027-02-27
Posted by
0x034F…6c89

The creator wallet. Its signature is what approves proof and settles the wage.

Safety, read before you claim

This is sampling and stewardship coaching only, never a soil-chemistry or nutrient-prescription service, and every amendment number comes from the lab's own report. Suspected contamination routes to the lab or a local agricultural advisor before growing food there.

The full safety list for this job:

  • Contamination signs to watch for include old paint, treated wood, industrial history, or a busy roadside edible garden.
  • A lab result the lab itself flags urgent routes to a local agricultural advisor or the agronomist named on the report, never self-remediated beyond the lab's own instructions.
  • The survey's soil-test cut-offs and nutrient rankings describe 64 sampled maize fields in one study: they are research context only, never a threshold or fertilizer rate for any grower's field, and this packet quotes no amendment number of its own.
  • This packet is independent of and not affiliated with the University of Nairobi or the study authors: named as the real, verified home of a published soil-nutrient survey, not an endorsement or partnership, and nothing here submits a sample or pays a fee on anyone's behalf.
How this work is done

How this work is done

A documented method, so this packet comes out the same whoever does it.

Bring

  • A clean soil probe, trowel, or spade (avoid galvanized or brass tools if micronutrients will be tested — they can contaminate readings)
  • A clean plastic bucket for compositing cores
  • The chosen lab's current submission form and sample bag/box (many county extension offices stock ready-made kits)
  • A way to mail or hand-deliver the sample with the lab's fee

Steps

  1. 1. Choose the land-grant extension lab serving the sampling location (e.g. Penn State AASL, UMass Amherst Soil & Plant Nutrient Testing Lab, or the sampler's own state land-grant lab) and pull its current published sampling instructions before digging.
  2. 2. Divide the property into zones that share history and use (e.g. vegetable bed vs lawn vs new planting) — one composite sample per zone, never one sample for mixed-use ground.
  3. 3. Collect 8-10+ cores/slices per zone at the lab's specified depth (commonly ~4 inches for turf, 6-8 inches for garden beds) walking a random pattern across the zone.
  4. 4. Mix the cores together in the clean bucket, remove roots/stones/mulch/thatch, and fill the lab's sample container to the stated amount.
  5. 5. Complete the lab's submission form exactly as it asks (crop/use to be grown, zone name, recent lime/manure history) — the form drives which recommendation the lab returns.
  6. 6. Submit the sample with the required fee by the lab's specified method (mail-in or county extension office drop-off); record the submission date and any tracking/order number.
  7. 7. When the report returns, transcribe its findings (pH, nutrient levels, recommendation) verbatim into the record — never add, edit, or extrapolate a different rate.

What counts as done

  • A soil-testing laboratory named and its published sampling protocol followed: zoning by use/history, core depth, number of cores, compositing method
  • Submission completed accurately and the sample submitted with any required fee; submission date and any tracking or order reference recorded
  • Lab's own report attached, or its pH/nutrient findings and recommendation transcribed verbatim, in the language the lab issued it
  • Any amendment or planting plan recorded strictly as the LAB's stated recommendation, never a packet-authored rate

Proof is measured against these, not judged by taste.

What is promised, and what is not

Three separate acts, never one: a vote is a free signed preference that moves no money; a pledge is free signed backing intent, balance-checked, that moves no money and never marks the packet funded; funding is a real payment, made by the payer straight to the worker, with no Vealth fee. Paying Vealth is closed: Vealth takes no new card or wallet payment for a job. To fund a job, offer to pay the worker directly, then pay them yourself when you accept the proof, from your own wallet or by your own card or bank. From a wallet: prepare_token_offer, sign, submit_token_offer; after the proof is accepted you pay the worker on chain and the worker records it (prepare_token_settlement, or POST /labor/settle for USDC on Base). By card or bank: prepare_direct_offer, sign, submit_direct_offer; you pay the worker yourself and the worker records it with prepare_direct_settlement. Both are free, need no gas, and move no money through Vealth.

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