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Tanuki Tanuki | Micronutrient Specialists. Supporting Aussie growers with quality crop nutrition & protection inputs. For whatever the season throws at them.

Lipase: supporting nutrient access in the root zoneOne of the key soil-enzymes is lipase.What it does:✔️ Breaks down lip...
17/06/2026

Lipase: supporting nutrient access in the root zone

One of the key soil-enzymes is lipase.

What it does:
✔️ Breaks down lipids (organic materials in soil and residues)
✔️ Releases components like phosphate groups and smaller organic molecules

In the root-zone, this matters because:
🔸 A lot of phosphorus is tied up in organic forms or fixed in soil
🔸 Only a small portion is immediately available
🔸 Lipase supports the conversion of nutrients into forms more readily available to the plant

It also plays a role in the root environment by:
❇️ Supporting conditions for nutrient uptake within the root-zone
❇️ Supporting microbial activity around roots

Where it fits:
This is most relevant during early crop establishment when root systems are developing and nutrient demand is increasing.

Field takeaway: Lipase is a practical way to support nutrient access from soil organic matter in the root-zone — particularly during establishment, where early access can make a difference to establishment and growth.

📌 Next up: Mannanase — and how it affects roots, water and nutrient uptake.

Where Enzymes Fit (Rhizosphere Focus)Enzymes work in the rhizosphere — the active zone around plant roots where:🔸 Roots ...
11/06/2026

Where Enzymes Fit (Rhizosphere Focus)

Enzymes work in the rhizosphere — the active zone around plant roots where:
🔸 Roots release exudates
🔸 Microbes are active
🔸 Nutrient cycling is happening

Enzymes:
🔹Break down complex organic molecules into smaller, usable forms
🔹Improve nutrient access during crop establishment in the root-zone
🔹 Help feed both plants and beneficial microbes

This is most critical during establishment when roots are still developing.

Think of them as accelerators of natural soil processes.

It’s a practical way to support nutrient access in the root-zone during establishment.

Field takeaway: Enzymes are most effective when present in the root-zone — not broadcast somewhere else in the profile.

📌 Next up: Lipase — one of the key enzymes involved in nutrient cycling.

The Real Limitation: Nutrient AccessQuick reality check:Most soils contain significant nutrient reserves tied up in both...
09/06/2026

The Real Limitation: Nutrient Access

Quick reality check:
Most soils contain significant nutrient reserves tied up in both soil organic matter (SOM), adsorbed onto soil particles and/or precipitation. However, only a small portion of these reserves is plant‑available at any given time.

The application of soil enzymes - especially during early crop growth – accelerates the release of plant nutrients and other organic compounds (e.g. sugars) from SOM. The plant nutrients are directly available for absorption by plant roots while other compounds promote microbial proliferation and plant growth through a variety of means.

Field takeaway: Yield is often limited by nutrient access, not total nutrient supply.

📌 Next up: Where enzymes fit in the soil system.

Enzymes: The Next Layer in Crop NutritionThis month we’re stepping outside of micronutrients to talk enzymes. Soil-enzym...
03/06/2026

Enzymes: The Next Layer in Crop Nutrition

This month we’re stepping outside of micronutrients to talk enzymes.

Soil-enzymes are produced by soil fungi and bacteria to accelerate the breakdown of organic matter and release compounds like sugars and mineral nutrients (NPK etc.). They are an essential part of soil functioning and have a significant effect on soil-plant interactions as well as plant health and productivity. However, as soil conditions are often far from optimal in agricultural practice, plant-growth may benefit significantly from the addition of enzymes.

In simple terms, soil-enzymes:
🔹 are protein catalysts which speed up biochemical reactions in the soil
🔹 help convert mineral nutrients bound in organic matter into forms that plants can absorb and use
🔹 accelerate the breakdown of organic matter into smaller organic molecules (e.g. sugars) which are required by microbes to proliferate and promote plant growth

And that matters because:
👉 a lot of nutrients are already in the soil — just not available when the crop needs them.

The crop only gets one start — and early access to nutrients matters most.

Field takeaway: Enzymes don’t replace the use of fertiliser in agriculture — they help plants access additional nutrients which are bound in organic matter.

📌 Next up: Why nutrient availability (not supply) is still the biggest limitation.

Pulling Mn Into the Bigger Picture 🖼️ Manganese doesn’t work in isolation.Its performance is influenced by: 👉 Soil pH👉 I...
27/05/2026

Pulling Mn Into the Bigger Picture 🖼️

Manganese doesn’t work in isolation.

Its performance is influenced by:
👉 Soil pH
👉 Interactions with other nutrients
👉 Placement and timing

High soil pH, whether induced by a soil’s natural pH or due to over‑liming, is usually the most significant factor limiting Mn availability.

Field takeaway: With Mn, strategy and context beat assumptions.

📌 Next month: We’re shifting focus to enzymes. Follow us for more agricultural and crop nutrition insights.

Timing & Placement of MnManganese is often critical in early growth stages but crops can still become deficient at later...
21/05/2026

Timing & Placement of Mn

Manganese is often critical in early growth stages but crops can still become deficient at later growth stages or when mature.

Mn supports early photosynthesis and enzyme activity — so shortages in early growth stages can hold crops back.

Key timing considerations in annual crops (e.g. cereals):
🔹 Early tillering or early vegetative growth
🔹 Before visual stress becomes severe
🔹 When roots are still exploring topsoil layers

Late applications may improve colour, but early nutrition protects yield potential.

Field takeaway: With Mn, early correction usually outperforms late rescue.

📌 Next up: How manganese fits into the wider micronutrient balance.

When Mn is limiting, how you apply it matters.Common supply pathways include: 👉 Foliar Mn — fast response, useful when s...
19/05/2026

When Mn is limiting, how you apply it matters.

Common supply pathways include:
👉 Foliar Mn — fast response, useful when soil supply is constrained.
👉 Soil‑applied Mn — can work in acidic conditions, but should be applied as Mn EDTA in alkaline conditions.
👉 In‑furrow or solution programs — where placement and chemistry are managed.

Field takeaway: Match the Mn strategy to the soil, application method and the growth stage.

📌 Next up: Timing Mn applications for the best return.

Paddock History MattersManganese problems are often paddock‑specific.Mn deficiency is more likely where: 👉 Soils have be...
14/05/2026

Paddock History Matters

Manganese problems are often paddock‑specific.

Mn deficiency is more likely where:
👉 Soils have been heavily limed over time.
👉 Topsoils are light or low in organic matter.
👉 Crops rely heavily on early root uptake.

The tricky part? Two paddocks side‑by‑side can behave very differently.

💡 Field takeaway: A single soil test won’t always tell the whole Mn story — context counts.

📌 Next up: How manganese can be supplied to crops.

Why Mn Becomes UnavailableMost Mn issues aren’t because the soil is “out of Mn”.They’re usually caused by soil chemistry...
12/05/2026

Why Mn Becomes Unavailable

Most Mn issues aren’t because the soil is “out of Mn”.

They’re usually caused by soil chemistry limiting Mn availability.

Common risk factors in Australian systems:
🔺 High soil pH (alkaline or heavily limed soils)
🔺 Sandy or low organic matter soils
🔺 Dry topsoils followed by rapid growth

As pH rises, Mn shifts into forms plants struggle to take up.

💡 Field takeaway: Mn deficiency is often a chemistry problem, not a supply problem.

📌 Next up: How paddock history and management decisions influence the risk of Mn deficiency.

Manganese deficiency has a pattern — but it’s easy to confuse with other issues.Common symptoms include: 👉 Yellowing or ...
07/05/2026

Manganese deficiency has a pattern — but it’s easy to confuse with other issues.

Common symptoms include:
👉 Yellowing or striping between veins, often starting on younger to mid‑canopy leaves
👉 Pale or greyish patches in cereals
👉 Reduced early vigour

Unlike iron (Fe), Mn symptoms don’t always show up on the very youngest leaves — which can throw people off.

The risk: Mn deficiency can look like nitrogen, magnesium or general stress.

Field takeaway: If crops look pale but nitrogen checks out, Mn deserves a closer look.

📌 Next up: Why Mn availability changes so much with soil conditions.

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