Abiotic in-crop constraints for wheat

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Seedling fertiliser damage

 

Symptoms

  • Reduced seedling germination, emergence and vigour.
  • The effect may be more pronounced in drier or light textured cropping soils

Damage

  • Yield loss may occur, depending on seasonal conditions through the rest of the growth period

Management

Physical separation of fertiliser and seed bands can reduce the effect, whilst lower upfront fertiliser rates, with a later top-dressing can also limit fertiliser toxicity. Use of lower 'salt index' fertiliser is another means of limiting the risk of fertiliser toxicity.

 

Links and Resources

GRDC - Fertiliser Toxicity Fact Sheet

4 page PDF. Key points, selecting fertilisers and rates, crop type, soil type, environment, machinery configuration, and frequently asked questions. Published 2011.

IPNI - Care with fertiliser and seed placement

Introduction, type of crop, type of fertiliser, soil type and environment, machinery configuration, and fluid fertilisers. Published 2011.