ADVERTORIAL

HOLLARD

VERSEKERING

Use LAN for higher profit due to higher yield and less acidification in comparison with urea and urea + NBPT for maize. SASOL

Use LAN for higher profit due to higher yield and less acidification in comparison with urea and urea + NBPT for maize.

Ammonium nitrate-based products normally result in higher yield than urea-based products at sub-optimal nitrogen supply. Specific yield differences are discussed when:

Volatilisation is limited due to knifed inside dressings and leaching is restricted due to a plintic layer in the soil.
Volatilisation and leaching are not restricted.
Volatilisation and toxicity of urea are limited due to a urease inhibitor (NBPT).
Expected yield differences between ammonium nitrate-based products and urea-based products under normal weather conditions are expressed in terms of profit differences for specific price scenarios.

The extent to which ammonium nitrate-based products are less acidifying than urea-based products is quantified. Differences in lime requirements resulting from the usage of different nitrogen sources are expressed as profit differences for specific price scenarios.

The key message: Consider profit differences rather than price differences between nitrogen sources-

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SASOL

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