Grain, pulse and pasture programs where a half-rate mistake costs you a whole paddock. Tell us what’s holding your yield back and we’ll narrow 23 products down to the two or three that matter for your season.
Every answer actually changes what you see next — a real filter across the full Broadacre range, not a guessing game. Think of it as a strong starting point, not the final word — our team can help you fine-tune it from there.
First up
What’s your main issue right now?
One more thing
What’s actually capping it?
One more thing
What’s the soil actually doing?
One more thing
Which kind of deficiency?
Based on what you told us: your situation
Here’s the truth about your grain fill.
Nobody wants to admit this: lodging isn’t bad luck.
No one talks about this — sandy ground needs this exact fix.
This will change how you see compacted ground.
This is why you’re still short on N, P, K and S.
Here’s a secret you wish you knew sooner about trace deficiencies.
When grain fill is the bottleneck, potassium is usually the first lever — K38 drives cell expansion and fill through to the end of the season. SSP backs it up with the phosphorus and sulphur load fill actually burns through, so energy transfer isn’t left short right when it matters most. The Nutrient Program ties both into a season-long liquid base, so fill isn’t riding on one well-timed spray.
Lodging is a structural problem, not a nutrition problem in isolation — so this trio attacks it from three angles. CalX builds cell-wall strength directly. K38 backs it up, since potassium is directly tied to stem strength. Carbon Silica adds silicic acid to stiffen the stem itself. Together they’re the same standability problem solved at the cell wall, the nutrient level, and the tissue structure at once.
Sandy country loses nutrients before the crop can use them and punishes any stress with a yield hit — so this program leads with the Black Nutrient Program’s chelated form, built specifically for low-CEC ground where standard fertiliser leaches straight through. Liquid Kelp adds the drought and stress resilience sandy ground demands. Carbon Silica works underneath both, rebuilding structure and microbial activity so future inputs actually stick instead of washing through.
Compacted ground needs correction at three levels — chemical, biological and physical. The Red Nutrient Program’s chelated form gets nutrition into roots even where compaction or metal toxicity would otherwise lock it out. Pasture rebuilds groundcover and root mass from the surface down, opening structure the slow way that actually lasts. CalX corrects the cation imbalance that’s usually the real cause of tight, sodic ground in the first place — so you’re fixing the root cause, not just feeding around it.
A broad deficiency calls for a broad correction, not a single-nutrient patch. SSP covers phosphorus and sulphur, the pair most often short across a whole paddock. K38 fills the potassium gap that tends to show up on light or high-output ground. CalX rounds it out with fast-correcting calcium before it becomes a structural weakness. Run together, they cover the macro spread most broadacre deficiencies actually present as.
When it’s one trace element, precision beats a shotgun blend — Tracer lets you dial in the exact element you’re seeing, whether that’s iron, zinc, boron, manganese, copper, molybdenum or magnesium. Selenium Cobalt sits alongside it as a broader trace top-up for anything Tracer isn’t specifically targeting. Carbon Silica’s role here is uptake efficiency — making sure whichever correction you apply actually gets taken up instead of sitting in the soil solution.
CS K38
Potassium
This is the direct fix for capped fill — potassium drives the cell expansion that turns flowering into weight at the header, so it’s the first lever when fill is what’s holding yield back.
CS SSP
Phosphorus & Sulphur
Fill burns through phosphorus and sulphur fast, and a shortfall here caps the energy transfer K38 needs to work — this closes that gap so the potassium response isn’t left half-finished.
CS Black/Red Nutrient Program
Season Nutrition
Fill capping out is often a sign the crop’s running on one early application — this puts a season-long base under it so fill isn’t riding on a single well-timed spray.
CS CalX
Calcium
Lodging usually starts as a cell-wall weakness — CalX builds that strength directly, so the crop holds its own weight instead of going down in the first wind event.
CS K38
Potassium
If standability’s the issue, potassium is often the missing piece — it’s directly tied to stem strength, closing the gap CalX alone doesn’t cover.
CS Carbon Silica
Tissue Strength
Adds silicic acid straight into the stem tissue, stiffening it structurally — the third layer of defence against a crop that’s already shown it wants to lodge.
CS Black Nutrient Program
Chelated Nutrition
Standard fertiliser leaches straight through sandy ground before the crop can use it — this chelated form is built specifically to hold on and get taken up on exactly this kind of low-CEC country.
CS Liquid Kelp
Biostimulant
Sandy ground punishes drought and stress first — this builds the resilience that’s missing before the next dry spell exposes it again.
CS Carbon Silica
Soil Structure
Works on the structure itself, rebuilding organic matter and microbial activity so future inputs actually stick instead of washing straight through like everything else has.
CS Red Nutrient Program
Chelated Nutrition
Compaction locks nutrition out before roots ever reach it — this chelated program gets nutrition into the plant regardless, so you’re not waiting on structure to fix itself before the crop gets fed.
CS Pasture
Soil & Groundcover
This is the structural fix underneath the feeding — rebuilding groundcover and root mass to open compacted ground from the top down, the slow work that actually lasts.
CS CalX
Calcium
Tight, waterlogged ground is usually a cation imbalance at the root of it — this corrects that first, so you’re fixing the actual cause instead of just working around it.
CS SSP
Phosphorus & Sulphur
A broad gap across N, P, K and S starts here — this covers the phosphorus and sulphur pair most often the first to run short across a whole paddock.
CS K38
Potassium
Backs it up with the potassium that tends to be the next gap exposed, especially on light or high-output ground pushed hard.
CS CalX
Calcium
Closes the calcium side of the gap fast, before it turns into the structural weakness a broad deficiency like this usually leads to if left.
CS Tracer Micronutrients
Trace Elements
Since it’s one specific element, not a broad gap, this lets you dial in exactly what you’re seeing — iron, zinc, boron, manganese, copper, molybdenum or magnesium — instead of guessing with a blend.
CS Selenium Cobalt
Trace Elements
Backs the targeted fix with a broader trace top-up, in case the symptom isn’t as isolated as it looks.
CS Carbon Silica
Uptake Efficiency
Makes sure the trace correction you’re applying actually gets taken up, not left sitting in the soil solution doing nothing.
A couple more things people ask
How soon will I see it in the grain?
Fill responds to potassium fast, but it’s a fill-season play, not an overnight fix — expect the biggest lift to show at harvest weight and grain size, not a visible change in the paddock this week.
What should I actually expect to change?
Heavier grain and better fill through to the end of the season — this isn’t correcting a visible symptom, it’s closing an energy-transfer gap you’d otherwise only see at the header.
How soon before standability improves?
Cell-wall and stem strength build over the growing season, so this needs to go on ahead of the lodging risk window — not after the crop’s already gone down.
What should I actually expect to change?
A crop that stays upright through wind and rain events that would normally flatten it — less harvest loss and cleaner header runs, not a visible above-ground change beforehand.
How soon will sandy ground respond?
Structure and biology rebuild over a full season or more on light country — the nutrition lands fast, the underlying soil change takes longer.
What should I actually expect to change?
Better stress and drought tolerance first, then gradually less leaching and better nutrient retention as organic matter and biology build back up.
How soon before compaction actually eases?
CalX corrects the cation imbalance fast, but structural change from Pasture’s root work takes a season or more — this is a rebuild, not a rip.
What should I actually expect to change?
Better water infiltration and less waterlogging over time, plus nutrition getting through to roots immediately instead of locking out.
How soon will a broad deficiency correct?
You’ll usually see a visible greening and vigour response within a couple of weeks of application — the macro gap closes fast once it’s actually being fed.
What should I actually expect to change?
More even colour and growth across the whole paddock, not just the worst patches — that’s the tell it was a broad gap, not a localised issue.
How soon will the trace symptom clear?
Targeted trace correction usually shows on new growth within one to two weeks — the affected leaf tissue itself won’t reverse, but what comes after it will look right.
What should I actually expect to change?
The specific symptom you’re seeing stops spreading to new growth — this is precision correction, so don’t expect a whole-crop transformation if it was genuinely just one element.
Results growers are seeing
Illustrative outcomes based on typical broadacre program results — this is a concept preview, not verified customer testimonials.
Grain Fill, Central Queensland
“Switched our fill program to K38 and finally saw the yield the season actually had in it.”
Grain Grower, Central Queensland
“CalX sorted a standability problem we’d been blaming on the variety for three years.”
Broadacre Farmer, Riverina
“Pasture groundcover recovered faster than any lime program we’d tried.”
Mixed Farming Operation, Western Downs
How it gets applied
Built to fit the equipment you’re already running.
Foliar Spray
Boom or aerial application for fast, targeted correction during a growth stage.
Liquid Injection
In-furrow or side-band injection at seeding for a season-long base.
Centre Pivot / Irrigation
Fertigate through existing pivot or flood systems — no extra pass across the paddock.
Ready to see it on your ground?
Tell us a little about your operation and we’ll get a sample rate out to you — or skip straight to a distributor conversation.
We’ll include whatever you told the quiz above, so this isn’t a cold request.