Regenerative Cropping That Survived Drought
In South Australia, Luke and Adam show how soil biology, stubble cover and smarter inputs helped build a crop that still harvested in the 2024 drought.
In this Farm Learning episode, Tim Thompson visits two dryland cropping paddocks in South Australia to compare compacted, low-biology soil in a conventional cropping paddock with a paddock being managed for soil structure, plant resilience and gross margin.
The discussion looks at typical events and pressures when cropping systems rely heavily on knockdown herbicides, fungicide seed dressings, high-analysis fertilisers and large urea applications — and why that can create shallow roots, poor soil structure, lodging risk, pest pressure and unreliable outcomes in dry seasons.
Luke and Adam then explain a different approach: standing stubble, stripper-front harvesting, double disc seeding, lower-rate starter fertiliser, carbon-based granules, biological seed treatments, buffered sprays, foliar nutrition and a stronger focus on roots, soil biology and rainfall infiltration.
This video is useful for broadacre croppers, mixed farmers, agronomists, soil health practitioners and anyone interested in whether regenerative agriculture can work in real-world dryland grain systems.
Topics covered include regenerative cropping, dryland farming, soil biology, soil structure, stubble retention, urea efficiency, crop lodging, biological farming, foliar nutrition, drought resilience, gross margin and low-input cropping systems in South Australian conditions.
Mentioned in this episode: Luke’s cropping paddock, Adam’s biological agronomy approach, standing stubble, stripper front, double disc seeding, MAP/DAP, composted cow manure granules, Chemro Crop Solutions Seed Dressing, Revivor powder, PyroAg wood vinegar and Crop BioLife.
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00:00 Compacted soil vs living soil
01:07 Why soil structure collapses
02:03 The no-plant problem patch
03:09 What happens when soil has no glue
04:45 Living soil under a different system
05:39 Dreadlock roots and rhizosheaths
07:14 Can cropping be regenerative?
08:06 The conventional cropping routine
08:57 Fungicide seed dressing and fertiliser impacts
10:23 Post-emergent sprays and urea decisions
11:04 Urea growth vs root strength
12:36 Lodging risk in dry South Australian seasons
13:19 Fertiliser inefficiency and losses
14:13 A different pre-planting routine
15:01 Standing stubble, stripper front and disc seeding
15:31 Lower-rate MAP/DAP plus carbon granules
16:24 Seed treatments without fungicide
17:13 Herbicide buffering with carbon
18:07 Root-first crop establishment
18:39 Crop BioLife and photosynthesis
19:31 Foliar nutrition and dry period resilience
20:41 Soil structure, infiltration and water storage
21:48 Luke’s 2024 drought result
22:17 Ten years of soil life coming back
23:39 Yield bragging rights vs gross margin
25:11 How to start with a small trial
26:03 Social pressure and finding support
28:00 Links and final takeaway
regenerative cropping, regenerative agriculture, soil biology, biological farming, soil health cropping, regenerative grain farming, crop resilience, living soil, farming with biology
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