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Publikováno v: Nutrient Cycling in Agroecosystems. 66:233-240

Field experiments were conducted in Central Thailand under a rice–fallow–rice cropping sequence during consecutive dry and wet seasons of 1998 to determine the impact of residue management on fertilizer nitrogen (N) use. Treatments consisted of a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9746c733c6c8a39614f6163e895fd2b3
https://doi.org/10.1023/a:1024475229663

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Autor: S. Phongpan, Arvin R. Mosier

Publikováno v: Nutrient Cycling in Agroecosystems. 66:133-142

Two field experiments were conducted in a rice–fallow–rice cropping sequence during consecutive dry and wet seasons of 1997 on a Fluvic Tropaquept to determine the fate and efficiency of broadcast urea in combination with three residue management

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca4861fbbcfc8e33decc2d35e6002c0f
https://doi.org/10.1023/a:1023915015259

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Effect of rice straw management on nitrogen balance and residual effect of urea-N in an annual lowland rice cropping sequence

Autor: S. Phongpan, Arvin R. Mosier

Publikováno v: Biology and Fertility of Soils. 37:102-107

Two field experiments were conducted in 1999 (wet season) and 2000 (dry season) on a Ustic Endoaquerts in central Thailand to examine the impact of rice straw management practices on rice yield, N uptake and fertilizer-N use efficiency. Treatments in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f7a2fba62b5fd5f9d966904ce412245
https://doi.org/10.1007/s00374-002-0566-1

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General model for N2O and N2gas emissions from soils due to dentrification

Autor: Dennis S. Ojima, S. Phongpan, S. J. Del Grosso, A. E. Kulmala, William J. Parton, Arvin R. Mosier

Publikováno v: Global Biogeochemical Cycles. 14:1045-1060

Observations of N gas loss from incubations of intact and disturbed soil cores were used to model N2O and N2 emissions from soil as a result of denitrification. The model assumes that denitrification rates are controlled by the availability in soil o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::876ea36ebeeb8ede293076adca373eb6
https://doi.org/10.1029/1999gb001225

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Long-term large N and immediate small N addition effects on trace gas fluxes in the Colorado shortgrass steppe

Autor: Arvin R. Mosier, William J. Parton, S. Phongpan

Publikováno v: Biology and Fertility of Soils. 28:44-50

Land use changes in semiarid grasslands have long-lasting effects. Reversion to near-original conditions with respect to plant populations and productivity requires more than 50 years following plowing. The impact of more subtle management changes li

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::308d69b2b5a2581a059daf7509888dfd
https://doi.org/10.1007/s003740050461

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Use of urease, algal inhibitors, and nitrification inhibitors to reduce nitrogen loss and increase the grain yield of flooded rice (Oryza sativa L.)

Autor: S. Phongpan, P. Chaiwanakupt, R. L. Blakeley, D. G. Keerthisinghe, J. R. Freney

Publikováno v: Biology and Fertility of Soils. 22:89-95

We studied the interacting effects on NH3 loss and grain yield of adding (1) urease inhibitors to retard the hydrolysis of urea (2) the algicide terbutryn to limit floodwater pH increases, and (3) C2H2 (provided by waxcoated calcium carbide) to preve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b1d6c2081aaacd56141ec39f21da7af
https://doi.org/10.1007/bf00384438

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Use of phenylphosphorodiamidate and N-(n-butyl)thiophosphorictriamide to reduce ammonia loss and increase grain yield following application of urea to flooded rice

Autor: S. Phongpan, J. R. Freney, D. G. Keerthisinghe, P. Chaiwanakupt

Publikováno v: Fertilizer Research. 41:59-66

Ammonia (NH3) volatilization is an important mechanism for nitrogen (N) loss from flooded rice fields following the application of urea into the floodwater. One method of reducing losses is to use a urease inhibitor that retards the hydrolysis of ure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6aab93e788bd5bbffeec43b5ded899c1
https://doi.org/10.1007/bf00749521

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Effect of urease, nitrification and algal inhibitors on ammonia loss and grain yield of flooded rice in Thailand

Autor: S. Phongpan, J. R. Freney, P. Chaiwanakupt, D. G. Keerthisinghe, K. J. Harrington

Publikováno v: Fertilizer Research. 40:225-233

This paper reports a study, in a flooded rice field in Thailand, on the effects of two urease inhibitors, cyclohexylphosphorictriamide (CHPT) and N-(n-butyl)phosphorictriamide (NBPTO), the nitrification inhibitor phenylacetylene and an algicide treat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4016e84187e605910caca689cd671064
https://doi.org/10.1007/bf00750469

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Effect of methods of application on the efficiency of urea broadcast onto lowland rice (Oryza sativa L.)

Autor: B. H. Byrnes, S. Phongpan

Publikováno v: Biology and Fertility of Soils. 15:235-240

We evaluated the effect of different methods of application on the efficiency of urea broadcast at a rate of 100 kg N ha-1 onto lowland rice (Oryza sativa L. var. SPR 60) in a field experiment conducted on a Phimai soil (Fluvic Tropaquepts) during th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc778cb9445d98f4cb97cfa21bf5f2d5
https://doi.org/10.1007/bf00361618

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