Ressources Etiqueté: Nitrate

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  1. Current Viewpoints on the Use of Soil Nitrate Tests in the South

    Proceedings of a symposium conducted by the Southern Branch American Society of Agronomy. Field experiments in Kentucky show significant danger in using the Magdoff nitrate test as presently promulgated. The most serious problem seems to be associated with soils which are less than well-drained....
    Magdoff Nitrate Test Soil Soil mineralogy Nitrate

  2. Les Sols Acides des Tropiques

    Ressource principale
    01/01/2002 L’acidification du sol est un processus naturel ayant d'importants effets sur la croissance des plantes. À mesure que le sol devient de plus en plus acide, particulièrement lorsque le pH descend en-dessous de 4,5, il est de plus en plus difficile de produire des cultures vivrières. Lorsque le pH...
    Soil Micronutrients Acidity Alkaline Nitrate Ammonium Fertilizer Lime Calcium Soil pH