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The Effect of pH on Lima Bean Growth

Lima beans, like all plants, have an ideal soil pH range. In lima beans and other legumes, the pH must be within an acceptable range for the bacteria in the root nodules to efficiently fix nitrogen. The effects of acidic soil on lima beans are much more common and relevant than problems associated with basic soils.

  1. Ideal pH and Range

    • The target pH for lima beans is around 6.2. The preferred soil is a sandy or clay loam soil with a pH between 6.0 and 6.5, but lima beans can also tolerate higher alkalinity soils.

    Acidic Soils

    • Acidic soil can cause or enhance molybdenum deficiency, manganese toxicity, aluminum toxicity and deficiency of calcium and magnesium. Low soil pH negatively affects the lima bean's ability to fix nitrogen. A general plant yellowing may occur. Aluminum and manganese become more soluble as acidity increases. Manganese toxicity often manifests as dead spots on leaves and aluminum toxic plants appear phosphorous deficient.

    Basic Soils

    • Basic soils generally contain a greater amount of water-soluble salts. Although basic soils and associated problems are much less prevalent than too-acidic soils, problems may occur by over-liming to fix acid issues. In this case, deficiency of micronutrients like manganese may occur.

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Growing Beans
  1. The pH of Water & the Growth of Bean Plants
  2. The Effect of pH on the Germination of Bean Seeds
  3. The Growth of a Red Bean Seed
  4. How the Presence of Iron Affects Bean Plant Growth
  5. Lima Bean Growth Information
  6. The Effects of Vitamins on Lima Bean Growth
  7. Information on How Different Types of Soil Affect the Growth of a Pinto Bean
  8. The Effects of Hot Water on Lima Bean Growth
  9. Growth & Development of a Lima Bean
  10. Lima Bean Plant Growth
  11. The Effect of Light Intensity on Bean Plants
  12. PH Effect on the Growth of Bean Plants

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