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Soil structure

Soil structureConfusion over the action of the base and that of calcium or magnesium long reigned. It was mistakenly believed that the two minerals were responsible for the rise in a soil's pH.

In practice, we know that some inorganic fertilisers that contain calcium, such as gypsum, have no action on the soil's pH.

The adjacent diagram shows how a strong base works.

Supplying calcium or magnesium oxide thus has two distinct but complementary roles: On the one hand, it ensures efficient mineral uptake by the plants. On the other hand, the action of the associated strong base controls the soil's acidity.

It is indispensable to control soil acidity to improve the effectiveness of the inputs that are used. A soil's topsoil acidity corresponds to the acid measured in the first five centimetres of the soil (seed bed). To enable crops to express their production potentials to the best of their abilities, they must be planted in the most balanced soil possible. That is what oxyfertilisation® can achieve.

To sum up:
- Better crop implantation and emergence
- Limited soil baking and erosion
- Better soil bearing capacity
- Increased water retention

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Agriculture Balthazard & Cotte - Le Puy en Clermont - F-03800 Gannat - France
Tél. : +33 (0)4 70 90 27 27 - Fax : +33 (0)4 70 90 18 28 - oxyfertil@lhoist.com
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