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  • Articles  (3)
  • Padi rice  (3)
  • 2015-2019
  • 1985-1989  (3)
  • 1965-1969
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (3)
Collection
  • Articles  (3)
Source
Keywords
Publisher
Years
  • 2015-2019
  • 1985-1989  (3)
  • 1965-1969
Year
Topic
  • Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Calcium peroxide as a seed coating material for padi rice (1987)
    Springer
    Plant and soil 99 (1987), S. 357-363 
    Details
    ISSN: 1573-5036
    Keywords: Calcium peroxide ; Oxygen ; Padi rice ; Seed coating
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Measurement of oxygen uptake by germinating rice seed (Oryza sativa L) suggests that oxygen requirement is independent of temperature of incubation. However, the rate of oxygen consumption is dependent upon incubation temperature and, after an initial lag phase, is exponential with time. Although rice seed can germinate and grow at low oxygen concentrations, germination is poor and seedlings exhibit low vigour. An oxidized zone may be observed around the seed when sown in an anoxic environment but coated with a layer of calcium peroxide. The seed germinates readily and develops normally when a sufficient level of calcium peroxide is used.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02370881
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Calcium peroxide as a seed coating material for padi rice (1987)
    Springer
    Plant and soil 99 (1987), S. 379-386 
    Details
    ISSN: 1573-5036
    Keywords: Calcium peroxide ; Oxygen ; Padi rice ; Seed coating
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Glasshouse trials indicate the optimum coating for rice seed as 35% (w/w) on seed weight of 60% calcium peroxide. Coatings in excess of this show no improvement and a 20% (w/w) coating gives comparable results to pregerminated seed. As compared with untreated or pregerminated seeds an optimum seed coating of calcium peroxide increases the number of seedlings emerging through the water layer when rice seed is sown on the soil surface of waterlogged soil or at a depth of 1 cm below the soil surface. The coating is applicable to a wide range of rice growing temperatures and not influenced by soil type.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02370883
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Calcium peroxide as a seed coating material for padi rice (1987)
    Springer
    Plant and soil 99 (1987), S. 365-377 
    Details
    ISSN: 1573-5036
    Keywords: Calcium peroxide ; Magnesium peroxide ; Oxygen ; Padi rice ; Seed coating
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Redox and chemical analysis techniques have measured the decomposition of calcium peroxide-coated rice seed (Oryza sativa L.) under flooded padi conditions. Decomposition rates, even in acid soils at high temperatures, are show enough to extend over the oxygen demand period of the germinating seed. Rice seeds coated with calcium peroxide are relatively stable and viable over a wide range of storage conditions. Magnesium peroxide coatings decomposition at approximately half the rate of calcium peroxide coatings. Differences in alkalinity, cation and oxygen release rate make magnesium peroxide a useful alternative system to calcium peroxide.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02370882
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    Paper (German National Licenses)
    Fulltext
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