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Technical surveys from 1979 to 1989: influence of Valais-type soil on onion storage properties.

Influence des types de sol valaisans sur l'aptitude à la conservation de l'oignon de garde : enquêtes techniques de 1979 à 1989.

Author(s) : ROSSIER N., PALASTHY A., SCHWARZ A.

Type of article: Article

Summary

Onions grown on sodium salt soil have a better storage potential than those grown on balanced soil. This is due to the low calcium content of onion juice, which is a good indicator for inhibition of sprout development, and therefore of onion storage. A negative correlation between the calcium content of juice and soil is also observed. Phosphate manuring and nitrogen in ammonia form increase fungus disease, and therefore rotting during storage. Heavy soils also tend to increase sprout and rot development during storage. Practical advice is given to producers and storage companies.

Details

  • Original title: Influence des types de sol valaisans sur l'aptitude à la conservation de l'oignon de garde : enquêtes techniques de 1979 à 1989.
  • Record ID : 1995-1651
  • Languages: French
  • Source: Rev. suisse Vitic. Arboric. Hortic. - vol. 26 - n. 3
  • Publication date: 1994/05
  • Document available for consultation in the library of the IIR headquarters only.

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