ferrous sulphate

Listing 1 - 6 from 6 for ferrous sulphate

Iron Chlorosis of Trees and Shrubs
... is a solution. If an immediate result is desired, then a foliar application of ferrous sulphate is needed. Ferrous sulphate should be applied at a rate of 1 oz./gallon of water with a ...
gardenline.usask.ca

Azalea Society of America
... the pH (increase the soil acidity), sprinkle several handfuls of ferrous sulphate around the base of the plant. Never use aluminum sulphate, as the aluminum is toxic to azaleas.To raise the pH ... . Spraying with chelated iron is a quick fix, and sprinkling a small amount of potassium sulphate around the plant will have a longer lasting effect. A severe phosphorus deficiency produces dull ...
www.azaleas.org

Canadian Iris Society - Culture: Japanese Iris
... yellowing of the leaves. The soil pH can be lowered by the addition of granular ferrous sulphate (iron sulphate) or agricultural sulphur. Do not use mushroom compost as it contains lime. Japanese irises ...
www.cdn-iris.ca

Elko County Rose Garden
... have yellowish leaves, I add a handful of 'Copperas', containing Sulfur and Iron, derived from ferrous sulphate. A healthy rose winters better than a stressed or sick one. I have a 2 ...
www.elkorose.com

Kemper Center Problem Categories
... more acid by the addition of sulfur, aluminum sulfate, or iron sulfate. Iron chelates, ferrous sulphate, aluminum sulphate, or sulfur can simply be spread on the soil surface and allowed to dissolve into ...
www.mobot.org

The Rhododendron Society of Canada, Niagara Region
... an appreciable calcareous component, the pH can be adjusted fairly readily through the use of ferrous sulphate and fine sulphur to the proper range of 4.5-5.5 pH along with ... (to lower and maintain acidity, from 7.0 pH to 5.0 pH) 1 lb. ferrous sulphate FeSO4 to lower pH quickly and provide Iron. These materials are added uniformly to the ...
www.rhodoniagara.org