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  1. Kerala Agricultural University Digital Library
  2. 1. KAUTIR (Kerala Agricultural University Theses Information and Retrieval)
  3. PG Thesis
a
Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/7844
Title: Assessment of nitrification rate of Kerala soils and agronomic factors influencing it
Authors: Vikraman Nair, R
Marykutty Zacharias
Keywords: Nitrifier population
Soil management
Fertilizers
Soil moisture
Soil temperature
Soil reaction
Issue Date: 1989
Publisher: Department of Agronomy, College of Horticulture, Vellanikkara
Citation: CoH TH-381
Abstract: The present study 'assessment of nitrification rate of Kerala soils and agronomic factors influencing it' was conducted during June 1987 to November 1988 at the College of Horticulture, Vellanikkara, Trichur. A series of laboratory incubation studies were conducted using a total of 22 soil samples including 20 samples drawn from five soil types (laterite red, alluvial, forest and black soils ) of Keralaand two from Coimbatore (red and black). The presence of Nitrosomopas was observed in 11 soil samples and that of Nitrobacters in all soil tested. The nitrification rate was high for alluvial and black soils and low for the red laterite soils.
URI: http://hdl.handle.net/123456789/7844
Appears in Collections:PG Thesis

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