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Ability of nitrapyrin, dicyandiamide and acetylene to retard nitrification in a mineral and an organic soil

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Relation http://oar.icrisat.org/3962/
http://dx.doi.org/10.1007/BF02370642
 
Title Ability of nitrapyrin, dicyandiamide and acetylene to retard nitrification in a mineral and an organic soil
 
Creator Sahrawat, K L
Keeney, D R
Adams, S S
 
Subject Soil Science
Fertilizer Appications
 
Description Laboratory experiments were conducted to evaluate the efficacy of nitrapyrin, dicyandiamide (DCD) and acetylene (C2H2) as nitrification inhibitors in a silt loam and oragnic soil with and without added NH4. Nitrapyrin (8 μg/g soil) and DCD (20 μg/g soil) were very effective in retarding nitrification of NH4−N in the silt loam soil during 14 days of aerobic incubation at 30°C. However neither nitrapyrin, (20 μg/g soil) nor DCD (20 or 100 μg/g soil) were effective in retarding NO3 production in the organic soil not amended with NH4. Dicyandiamide was moderately effective in retarding nitrification (39% inhibition) at 100 μg/g concentration but nitrapyrin at 20 μg/g rate had little effect (8% inhibition) on nitrification in the organic soil amended with NH4. In a separate experiment C2H2 was a very effective inhibitor in both soils when present in the flask atmosphere at 0.1% or 1% (v/v).
 
Publisher Kluwer
 
Date 1987
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/3962/1/Plant_and_Soil_101_179-182_%281987%29.pdf
Sahrawat, K L and Keeney, D R and Adams, S S (1987) Ability of nitrapyrin, dicyandiamide and acetylene to retard nitrification in a mineral and an organic soil. Plant and Soil, 101 (2). pp. 179-182. ISSN 0032-079X