Favourable autumn drilling conditions and above average soil temperatures have driven rapid and even establishment across many early-sown winter wheat crops this season. Continued soil warmth, adequate rainfall and residual soil nitrogen have supported sustained growth and tillering well into November.
While crops have got off to the perfect start, this accelerated development has created a unique agronomic challenge – high nutrient demand, extended weed germination, and increasing early disease and virus pressure.
As crops continue to grow at pace, the focus now must shift from establishment to maintaining physiological balance and protecting the yield potential that has been built during this critical foundation phase.
“This season has set up strong crops with real promise,” notes Rob Suckling, Commercial Technical Manager at De Sangosse. “But with that comes a much higher draw on trace elements, and a need to manage lush, fast-growing canopies carefully if we’re to carry this potential into the spring.”
From emergence through to the point where soil temperatures drop below 5°C, the crop is in what is known as the Foundation Period — the physiological window when tiller number, root structure and nutrient use efficiency are determined. Any nutrient shortfall or stress during this time reduces tiller retention and limits the plant’s capacity to respond to future fertiliser inputs.
“Once soil temperatures fall and the crop enters dormancy, yield potential is effectively locked in,” Rob explains. “You can protect it, but you can’t rebuild it. That’s why nutrition, weed control and canopy management now are so critical.”
"Nutrient management at this stage is about efficiency and stability to ensure the plant’s metabolism remains balanced so growth, energy transfer and nitrogen assimilation can continue effectively until dormancy.
The mild, open conditions seen this season have kept root systems active and nutrient uptake rates high. With soil nitrogen still available from mineralisation and carryover after a dry spring, crops are drawing heavily on reserves to build biomass.
“Crops are not short of nitrogen this year – but they will be hungry for the cofactors that make nitrogen work efficiently,” says Rob. “Magnesium, manganese, zinc and sulphur are all central to nitrogen metabolism and protein synthesis. If one of them runs short, growth efficiency drops and the crop becomes more vulnerable to stress.”
Crops are not short of nitrogen this year – but they will be hungry for the cofactors that make nitrogen work efficiently,” says Rob. “Magnesium, manganese, zinc and sulphur are all central to nitrogen metabolism and protein synthesis
– Rob Suckling, Commercial Technical Manager at De Sangosse
Rapid canopy growth combined with mild, damp conditions has created an ideal environment for early septoria and mildew activity. High nitrate uptake can push soft, sappy growth, making leaves thinner and more susceptible to infection.
Where magnesium, manganese and sulphur levels are suboptimal, chlorophyll formation, enzyme activation and protein synthesis are impaired – weakening both photosynthetic efficiency and structural defences.
“We’re already seeing disease in dense, early drilled crops,” Rob observes. “You can’t justify an autumn fungicide in most situations, so the focus has to be on strengthening the plant physiologically. Balanced trace element nutrition is the best way to do that.”
The extended mild spell has also prolonged aphid activity, heightening concern over BYDV transmission. While vector control options are limited, supporting plant integrity through nutrition can enhance tolerance and resilience.
Healthy well-balanced plants have stronger epidermal tissues, faster cell repair and improved enzymatic activity – all of which help slow virus progression and reduce secondary stress effects.
| Nutrient | Function | Common Limiting Conditions |
|---|---|---|
| Manganese (Mn) | Enzyme activation, chlorophyll formation, disease resistance | High pH, unconsolidated or OM-rich soils |
| Magnesium (Mg) | Central to chlorophyll and energy transfer | Light, sandy or low organic matter soils |
| Zinc (Zn) | Auxin production, root initiation, enzyme function | High pH or high phosphate soils |
| Sulphur (S) | Amino acid and protein synthesis | Deficiency often widespread due to low deposition |
Manzi delivers manganese, magnesium and zinc in nitrate form, ensuring rapid uptake and mobility within the plant.
“The nitrate carrier in Manzi delivers an almost immediate physiological response,” says Rob. “It drives quick uptake through the leaf and translocation to new areas of growth – exactly what’s needed to maintain momentum in fast-developing crops. The additional zinc supports root and shoot health, enzyme activity and auxin production, and because of its formulation, Manzi mixes easily with phosphate-based feeds, helping growers build balanced early nutrition programmes.”
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The nitrate carrier in Manzi delivers an almost immediate physiological response. It drives quick uptake through the leaf and translocation to new areas of growth – exactly what’s needed to maintain momentum in fast-developing crops.
– Rob Suckling, Commercial Technical Manager at De Sangosse
For forward, nutrient-hungry crops, Man-Mag Humate (MMH) provides manganese, magnesium and sulphur in a biologically active humate complex.
This combination supports nitrogen assimilation and protein synthesis, helping to support healthy biomass production and sustain growth balance.
“The humate complex enhances efficiency and soil biological interaction,” Rob explains. “It’s ideal where lush canopies are at risk of imbalance – it keeps growth steady and nitrogen working harder.
Use Man-Mag Humate where:
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