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  • Neem cake  (1)
  • Neem-cake-coated urea  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Effect of green manuring, blue-green algae and neem-cake-coated urea on wetland rice (Oryza sativa L.) (1990)
    Springer
    Biology and fertility of soils 9 (1990), S. 235-238 
    Details
    ISSN: 1432-0789
    Keywords: Algalization ; Green manuring ; Neem-cake-coated urea ; Prilled urea ; Blue-green algae ; Sesbania aculeata ; Wetland rice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A field trial was set up to examine the effect of green manuring, blue-green algae, and neem-cake-coated urea on a rice crop. Summer green manuring using Sesbania aculeata increased the crop yield. Inoculation of blue-green algae increased the rice grain yield when 60 kg N ha-1 was applied as prilled urea, but the increase in grain yield was greater when 60 kg N ha-1 was applied as neem-cake-coated urea. The results of the present study show that applications of green manure, neem-cake-coated urea, and blue-green algae are complementary and that the three treatments can be used together in the rice ecosystem. The green manure and the fertilizer treatments had no effect on the algal flora of the soil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00336232
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of rates of nitrogen and relative efficiency of sulphur-coated urea and nitrapyrin-treated urea in dry matter production and nitrogen uptake by rice (1980)
    Springer
    Plant and soil 55 (1980), S. 389-396 
    Details
    ISSN: 1573-5036
    Keywords: Apparent N ; recovery ; Denitrification ; IBDU N ; concentration ; Neem cake ; Nitrification inhibitors ; Nitrapyrin (N-Serve) ; N loss ; N uptake ; Rice ; Sandy clay loam ; Slow-release ; N fertilizers ; Sulphur-coated urea ; Urea
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A field experiment conducted for two rainy seasons (1974 and 1975) on a sandy clay loam soil at the Indian Agricultural Research Institute, New Delhi showed that at 100kg N/ha the apparent recovery of urea nitrogen by the rice crop was only 28%, which was raised to 41.7% by treating urea with Nitrapyrin and to 47.4% by coating urea withneem (Azadirachta indica Juss) cake. The recovery with sulphur-coated urea was 37.7%. Dry matter production nitrogen concentration in plant and uptake by rice were increased as the rate of nitrogen was increased from 0 to 150kg N/ha. Advantage of treating urea with Nitrapyrin or coating withneem cake was seen more in grain than straw yield.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182699
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    Paper (German National Licenses)
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