Nitrogen mineralization simulation dynamic in tobacco soil

Abstract Laboratory and field culture experiments have been carried out at two sites which show that temperature and soil moisture significantly affected nitrogen mineralization in the soil in a tobacco field. Intermittent leaching under aerobic incubation conditions was adopted to develop dynamic s...

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Autores principales:	Hu,Wei, Tian,Shibing, Di,Qing, Liu,Jizheng, Zhang,Shuxiang
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2018
Materias:	Flue-cured tobacco temperature soil moisture modelling.
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000200448
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spelling	oai:scielo:S0718-951620180002004482018-11-21Nitrogen mineralization simulation dynamic in tobacco soilHu,WeiTian,ShibingDi,QingLiu,JizhengZhang,Shuxiang Flue-cured tobacco temperature soil moisture modelling. Abstract Laboratory and field culture experiments have been carried out at two sites which show that temperature and soil moisture significantly affected nitrogen mineralization in the soil in a tobacco field. Intermittent leaching under aerobic incubation conditions was adopted to develop dynamic simulation models of organic nitrogen mineralization under different temperature regimes (10, 15, 20, 25, 30, 35, 30, 25, and 20 °C) and soil gravimetric moisture content (0.1, 7%, 13%, 20%, 27%, 33%, 40%, 47%, and 53%). The results show that the highest N mineralization rate appeared at 35°C and the lowest was 10°C. Soil N mineralization rate, as affected by soil moisture, is a single peak curve with a peak at 40%. The interaction of temperature and moisture on soil N mineralization is significant. Based on the results of a field trial, the combined model given by governing equation: has been established to simulate the dynamics of soil N mineralization under tobacco field conditions. A validation experiment showed that the measured values of mineralized N accumulation in the two experimental sites had a good correlation with the simulated values, indicating the practical value of the proposed model.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.18 n.2 20182018-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000200448en10.4067/S0718-95162018005001401
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Flue-cured tobacco temperature soil moisture modelling.
spellingShingle	Flue-cured tobacco temperature soil moisture modelling. Hu,Wei Tian,Shibing Di,Qing Liu,Jizheng Zhang,Shuxiang Nitrogen mineralization simulation dynamic in tobacco soil
description	Abstract Laboratory and field culture experiments have been carried out at two sites which show that temperature and soil moisture significantly affected nitrogen mineralization in the soil in a tobacco field. Intermittent leaching under aerobic incubation conditions was adopted to develop dynamic simulation models of organic nitrogen mineralization under different temperature regimes (10, 15, 20, 25, 30, 35, 30, 25, and 20 °C) and soil gravimetric moisture content (0.1, 7%, 13%, 20%, 27%, 33%, 40%, 47%, and 53%). The results show that the highest N mineralization rate appeared at 35°C and the lowest was 10°C. Soil N mineralization rate, as affected by soil moisture, is a single peak curve with a peak at 40%. The interaction of temperature and moisture on soil N mineralization is significant. Based on the results of a field trial, the combined model given by governing equation: has been established to simulate the dynamics of soil N mineralization under tobacco field conditions. A validation experiment showed that the measured values of mineralized N accumulation in the two experimental sites had a good correlation with the simulated values, indicating the practical value of the proposed model.
author	Hu,Wei Tian,Shibing Di,Qing Liu,Jizheng Zhang,Shuxiang
author_facet	Hu,Wei Tian,Shibing Di,Qing Liu,Jizheng Zhang,Shuxiang
author_sort	Hu,Wei
title	Nitrogen mineralization simulation dynamic in tobacco soil
title_short	Nitrogen mineralization simulation dynamic in tobacco soil
title_full	Nitrogen mineralization simulation dynamic in tobacco soil
title_fullStr	Nitrogen mineralization simulation dynamic in tobacco soil
title_full_unstemmed	Nitrogen mineralization simulation dynamic in tobacco soil
title_sort	nitrogen mineralization simulation dynamic in tobacco soil
publisher	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162018000200448
work_keys_str_mv	AT huwei nitrogenmineralizationsimulationdynamicintobaccosoil AT tianshibing nitrogenmineralizationsimulationdynamicintobaccosoil AT diqing nitrogenmineralizationsimulationdynamicintobaccosoil AT liujizheng nitrogenmineralizationsimulationdynamicintobaccosoil AT zhangshuxiang nitrogenmineralizationsimulationdynamicintobaccosoil
_version_	1714206582611378176

Nitrogen mineralization simulation dynamic in tobacco soil

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