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  • Intensive cropping  (2)
  • ACOUSTICS  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Balance sheet of soil phosphorus and potassium as influenced by intensive cropping and fertilizer use (1981)
    Springer
    Plant and soil 60 (1981), S. 187-193 
    Details
    ISSN: 1573-5036
    Keywords: Fertilizer ; Intensive cropping ; Lime ; Multiple cropping ; Manure ; Nutrient removal ; Nitrogen ; Phosphorus ; Potassium ; Weedicide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The balance sheet of phosphorus and potassium were worked out from a long term manure and fertilizer experiment conducted for eight years and is still continuing at Ranchi Agricultural College, Kanke, Ranchi, India. Increasing levels of fertilizer combination with organic manure and lime give the highest yield as well as removed the highest amount of phosphorus and potassium from the soil and gave the positive gain of soil phosphorus and potassium in intensive cropping. The highest gains of 59.0 and 278.0 kg/ha of phosphorus and potassium respectively were recorded in 150% NPK application.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374103
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Changes in the status of micronutrients in soil with long term applications of chemical fertilizers, lime and manure (1982)
    Springer
    Plant and soil 64 (1982), S. 437-441 
    Details
    ISSN: 1573-5036
    Keywords: Copper ; Fertilizers ; Intensive cropping ; Iron ; Lime ; Manure ; Manganese ; Micronutrient ; Weedicide ; Zinc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary An assessment of the status of available micronutrients has been made in a long term field experiment on a fixed rotation of soybean-potato-wheat at the Ranchi Agricultural College, Kanke on acid soil. Results of eight years fertilizer applications with lime has resulted in reduction of available micronutrients whereas the FYM application with balanced dose of chemical fertilizers increased the available micronutrients of soil. The maximum loss of 1.0 Zn and 13.2 Fe kg/ha respectively were from the lime treated plots with balanced dose of fertilizers and the highest gain of 0.26 Zn, 1.08 Cu, 13.2 Fe and 54.0 Mn kg/ha respectively were recorded from the FYM treated plots with balanced dose of chemical fertilizers. Organic carbon was significantly positive correlated with av. Zn & Mn, whereas av. Mn significantly negative correlated with pH. Other relationship were found to be non significant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02372526
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    Paper (German National Licenses)
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  • 3
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    Progress in the development of advanced computational models for the analysis of generalized supersonic jet flowfields (1990)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: This paper describes two three-dimensional computational codes (PARCH and CRAFT) for computing a generalized supersonic jet flowfields with subsonic external streams, which solve the Reynolds-averaged Navier-Stokes equations in a time asymptotic manner. The application of these codes to an imperfectly expanded jet flowfield is demonstrated. Special attention is given to numerical issues and to turbulence modeling. The application of the PARCH and CRAFT codes to other related flowfield problems, such as gas turbine and nozzle flows, and to generalized missile-plume flowfields is discussed.
    Keywords: ACOUSTICS
    Type: AIAA PAPER 90-3915
    Format: text
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