A Little Science, A Little Nature

A little bit of science and a little bit of nature

How one grazier uncovered the real cause behind a difficult lambing season

Introduction

This month we wanted to share a firsthand experience from one of our Hub members, a story that shows how powerful it is to step back, look at the whole system, and avoid jumping to expensive or unnecessary fixes.

This month we wanted to share a firsthand experience from one of our Hub members, a story that shows how powerful it is to step back, look at the whole system, and avoid jumping to expensive or unnecessary fixes.

A Season That Didn’t Go to Plan

Sonya is a grazier, just south of Wodonga, and has steadily improved the property since the family moved there in 2019 through hard work and determination!

This year, lambing began in September, and almost immediately, something felt wrong. Ewes were heavier than normal and started lambing earlier than expected. Several births needed pulling. Several lambs didn’t survive, and in one case the ewe didn’t seem to realise she had even given birth.

Sonya spoke to several others in the area to try and isolate the issue. There were no medical red flags and it was a mystery, since the ram’s size could be ruled out as the cause.

Digging Deeper: The Sap Test Surprise

After attending a soil health day, Sonya sent pasture samples for sap analysis. She shared the results with NutriSoil, who began unpacking the numbers as part of the NutriSoil Hub Support Program.

At first glance, the results looked simple: Low nitrogen, sulphur, molybdenum and iron. Other trace elements essential for building proteins were also low; that combination suggests the plant was high in carbohydrates (sugars) and explains why the ewes carried condition. For an ewe close to lambing, that’s the opposite of what you want; they need muscle tone, not fat. And unborn lambs need lean, well‑developed muscle, not bulk.

An agronomist and a regenerative AI app recommended applying large amounts of NPK fertiliser. But this advice didn’t align with Sonya’s five‑year commitment to avoiding synthetic fertiliser and her management philosophy.

So the NutriSoil team decided to take a look in the paddock for themselves.

The Missing Piece: Nature’s Timing

Before the visit, Nakala had a chance conversation with a wise cattle farmer and that’s when the bigger picture clicked into place.

In September, plants shift from vegetative growth into their reproductive phase. They begin allocating energy into seed and grain development. During this transition, leaves naturally carry higher concentrations of carbohydrates.

The NutriSoil team discovered the crucial detail while visiting Sonya: lambing normally happens in August, but this year’s late autumn break meant she joined the ewes later, pushing lambing into September, right into the carbohydrate‑heavy flush.

Suddenly, everything made sense.

The pasture wasn’t “wrong.” The ewes weren’t “overfed.” The lambs weren’t “abnormally large.”

It was simply nature’s timing colliding with animal physiology.

High‑energy, low‑protein pasture during late gestation leads to bigger lambs and less muscle tone in ewes – a perfect recipe for difficult births.

A Soil Health Assessment That Told a Very Different Story

While on‑farm, Nakala and Shelley completed a Soil Health Assessment, and the results were outstanding.

• Ground cover close to 100%
• Significantly improved water infiltration
• Paddocks were less boggy compared to other high rainfall years
• Visible return of grasses and reduction in capeweed
• New species emerging that hadn’t been seen before
• No herbicide use in the last 7 years (except on blackberry)

 

Sonya has been working tirelessly, fencing to reduce paddock size, improving grazing recovery periods, applying worm castings to bare areas, and taking advantage of sloping country by spreading castings uphill (allowing them to wash down), applying NutriSoil as a foliar spray and letting nature do her thing!

The soil responded.

Her pH has risen from 4.5 to 5.5. Roots that once reached only 10 cm now extend a full shovel depth into the profile. Water that used to run off is now soaking in.

This is the result of biological inputs, thoughtful grazing, patience, and persistence – not synthetic fertiliser.

The Big Picture Lesson

Sonya’s experience is a powerful reminder that:

• A single test result never tells the whole story and can put you on the wrong path.
• Regenerative management builds resilience that isn’t always visible in lab numbers.
• Sometimes the “problem” isn’t a deficiency; it’s a seasonal interaction between plant physiology and animal needs.

With a little science and a little nature, Sonya avoided unnecessary fertiliser costs, gained clarity, and deepened her understanding of how her landscape works.

And for all of us, it’s a reminder to zoom out before we zoom in.

A BIG Thanks to Sonya for allowing NutriSoil to share your journey and for sharing your experiences with others to help them on theirs