Just Ask John.

Reduce inputs and increase yields with biology.

I create biologically sound fertiliser and IPM (integrated pest management) plans for your fields based on the latest regenerative plant and soil science. Not just standard NPK schedules. It's the biology that drives the chemistry. I help you slowly reduce synthetics in a risk-free way while revitalising soil biology, tailored to each field.

Did you know: In a recent study, integrating Johnson-Su compost extracts increased yields while using only 15% of the synthetic nitrogen?

Interpret soil tests, sap tests, any test.

Stop figuring it all out yourself. I have the deepest knowledge of plant and soil nutrient relationships, nutrient mobility and more. I can help you turn your raw test numbers into clear, actionable advice.

Whether it's a Eurofins, Haney, Solvita soil test, manure test, nitrogen test, water test or biology test. I can help you make sense from the complexity and turn it into a clear next action step. All you gotta do is upload the test result from the lab.

Boost yield and crop quality with sap testing in-season.

After giving your crop the best possible start, do a plant sap test once your crop has enough leaf surface. Sap tests are like a blood test and give you insight into what the crop needs right now — not once a deficiency has already settled in, like with a plant tissue test. Make any corrections if needed and prevent hidden deficiencies from compounding into the season.

I can interpret the test result for you and tell you the root cause — such as overfertilising a specific nutrient, which often limits yields more than you think due to antagonistic relationships. I help you identify this so you can cut input costs.

Create foliars for maximum leaf absorption and crop response.

Foliar applications are an excellent way to optimise photosynthesis and help soil biology regenerate faster. But getting most of it absorbed by the leaf can be difficult. pH, EC and point of deliquescence have huge impacts on the efficiency.

I'm able to analyse your current product catalogue and formulate the best tank mix — based on your sap test results, or more generically based on the nutrients that are known to be critical during the Critical Points of Influence of your crop.

Did you know: At 150 ppm (10 grains) of total water hardness, product performance can drop by up to 70%?

Build natural resistance against pests and diseases with nutrition.

Healthy crops can be completely resistant to pests and diseases. When doing sap testing, I can tell you exactly which pests and diseases you've built natural resistance against — for example, by seeing whether your crop is converting all nitrate and ammonium into complex proteins.

Reduce crop protection products where they're not needed. If you're not doing sap testing, I can also give generic foliar recommendations proven to increase crop health and resistance. This is about managing with nutrition, instead of the downward trajectory of toxins which harm farm productivity.

Optimise your strategy with end-of-season analysis.

If you did multiple sap tests throughout the season, after harvest I can analyse the trend across all of them.

You'll learn exactly where you lost money to overfertilisation, which hidden deficiencies caused yield drag, how to prevent them next season, and which fertiliser products underperformed or were mistimed. Then I'll help you create a better strategy for next season. Every sap test is automatically analysed across all measured nutrients—K, Ca, Mg, Na, NH₄, NO₃, N, Cl, S, P, Si, Fe, Mn, Zn, B, Cu, Mo, and Al—to identify the key factors limiting crop performance.

Design the best cover or intercrop strategy.

Maximise the nutrient availability for next year's crop by enabling humification. From cover and intercrop species selection to the best termination strategies and timing using the equipment you already have — I can help.

Easily build your rotation plan for your full farm in a beautiful, clear visual layout.

Did you know: The best cover and intercrop mixes should contain at least one plant from each of the plant families? This stimulates a wide variety of soil biology, which benefits the plant.

Track your progress using KPIs.

Set targets for productivity and soil-health KPIs, and I'll help you achieve them.

Revitalising your soil is a multi-year process — keep track of how you're moving forward on each field and learn what works best in your context.

You can also track progress on DIY soil-functioning tests that matter, such as rain infiltration, rhizosheaths, compaction tests and more. Pin them to specific parts of the field, so when you come back next year to test for progress, you know exactly where you did the previous test.

Design different strategies and model future cashflow.

Compare different strategies — fertilisation plans, rotation plans or agroforestry designs — against each other and see what the impact would be on your bottom line.

I can analyse local markets and trends to spot opportunities for high-value crops, design different spatial layouts and match your soil type to the crops that thrive there. If you're planning to integrate tree crops, I can design agroforestry systems that also generate cash flow in the short term.