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Manganese toxicity in an acid soil

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Fergus, I.F. (1954) Manganese toxicity in an acid soil. Queensland Journal of Agricultural Science, 11 (1). pp. 15-27.



The occurrence of manganese toxicity in French bean grown on an acid soil (referred to as the Dagun soil) is reported. The manganese content of the plants in the field varies with the pH of the soil, reaching to 3,000 ppm at pH 4.4. Healthy plants contained between 200 ppm and 1,000 ppm manganese, and values greater than 1,000 ppm nay be regarded as indicating manganese toxicity. The amount of exchangeable manganese in the soil is not a reliable criterion for predicting manganese toxicity, but if the pH is low and the easily reduced manganese high, the soil can be regarded as suspect. French bean is a good indicator plant for excessive manganese in the soil. A pot trial indicated that the excessive uptake of manganese by French bean grown on the Dagun soil can be controlled by applying lime to raise the pH to about 5.4. Some evidence is presented that pineapples grown in the Dagun soil and peanuts grown on certain other soils suffer from manganese toxicity.

Item Type:Article
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Subjects:Agriculture > Agriculture (General) > Soils. Soil science > Soil and crops. Soil-plant relationships. Soil productivity
Plant culture > Field crops
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Live Archive:12 Jun 2024 00:10
Last Modified:12 Jun 2024 00:10

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