Ammonia volatilization and ammonium accumulation from urea mixed with zeolite and triple superphosphate

Autor:	Osumanu Haruna Ahmed, Aminuddin Husin, Ahmad Husni Mohd Hanif
Rok vydání:	2008
Předmět:	inorganic chemicals Chemistry Inorganic chemistry food and beverages Soil Science engineering.material Ammonia volatilization from urea N fertilizer Triple superphosphate chemistry.chemical_compound Loam engineering Urea Ammonium Fertilizer Zeolite Agronomy and Crop Science Nuclear chemistry
Zdroj:	Acta Agriculturae Scandinavica, Section B - Plant Soil Science. 58:182-186
ISSN:	1651-1913 0906-4710
Popis:	Ammonia volatilization from surface-applied urea fertilizer reduces N fertilizer use efficiency by crops. Beneficial formation of NH4 over NH3 leading to reduction of NH3 loss may be possible through addition of zeolite and acidic materials. The objective of this laboratory study was to evaluate the effect of four different urea-triple superphosphate (TSP)-zeolite mixtures on NH3 volatilization and NH4 and NO3 contents in soil, compared with surface-applied urea without additives. The soil was a sandy clay loam Typic Kandiudults (Bungor Series). The mixtures significantly reduced NH3 loss by 34 to 49% compared with urea (straight urea, 46% N) and larger reductions were obtained with higher rates of zeolite (0.75 and 1 g kg−1 of soil). All the mixtures of acidic P fertilizer and zeolite with urea significantly increased soil NH4 content but not NO3 content. The mixtures with acidic P fertilizer and zeolite also significantly increased soil-exchangeable Ca, K and Mg, and benefited the formation of ...
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::4f8890838e2830c6efb219f672bd0457 https://doi.org/10.1080/09064710701478271 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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