Dynamics of Soil and Fertiliser Nitrogen in Arable Systems (Proceedings of the International Fertiliser Society) Sylvie Recous read ebook online | bukmekerskajakontora.ru

The findings are used here to examine i the availability of inorganic N in soil after fertiliser-N application in time and space, ii the short-term competition between plant uptake and other soil processes, iii the interactions between added N and the soil N mineralisation-immobilisation turnover M.I.T. with respect to carbon C dynamics. Dynamics of soil and fertiliser nitrogen in arable systems. By S. Recous and York United Kingdom International Fertiliser Society. Abstract. Paper presented to The International Fertiliser Society, in Lisbon, on 4th March 2001Available from British Library Document Supply Centre-DSC:6732.105no 463 / BLDSC - British Library Document Supply. Dynamics of fertilizer-derived organic nitrogen fractions in an arable soil during a growing season Article PDF Available in Plant and Soil 3731-2 · December 2013 with 257 Reads. Consequently, the use of nitrogen fertilizers to alleviate acute N deficiency in our arable soils continues to increase. Soil nitrogen presents a complex chemistry because of the involvement of several discrete phases organic, inorganic, gaseous in a multitude of processes which can occur simultaneously, and which can be either chemically.

Jul 27, 2005 · Soil‐ and plant‐based nitrogen‐fertilizer recommendations in arable farming. leaching, denitrification, etc.. Today, many N‐recommendation systems are mainly based on yield expectation. Different methodological approaches are reviewed that have been introduced to improve N‐fertilizer recommendations for arable crops. Many soil. Sylvie Recous, Gwenaëlle Lashermes, Isabelle Bertrand, Michel Duru, Sylvain Pellerin, C–N–P Decoupling Processes Linked to Arable Cropping Management Systems in Relation With Intensification of Production, Agroecosystem Diversity, 10.1016/B978-0-12-811050-8.00003-0, 35-53, 2019. Recous S. Dynamics of Soil and Fertiliser Nitrogen in Arable Systems, p. 153 Abstract The research done over the past few years on the use of nitrogen N fertilizers on crops in the intensively farmed areas of Northern Europe, has attempted to improve the efficiency of N uptake by crops, and to identify and quantify the "unused" N.

ELSEVIER Agriculture, Ecosystems and Environment 51 1994 249-255 Agriculture Ecosystems & Environment Carbon and nitrogen in arable soils as affected by supply of N fertilizers and organic manures Jan Persson, Holger Kirchmann Department of Soil Sciences, Swedish University of Agricultural Sciences, Box 7014 S- 750 07, Uppsala, Sweden Accepted 30 March 1994 Abstract. Trade-offs in soil fertility management on arable farms. used for predicting nitrogen and soil fertility dynamics at the plot or higher scales in response to changed climate, management or land use. and mineral fertilizers will in the long term reduce soil fertility, jeopar Modelling nitrogen dynamics in crop and soil: from site-specific to regional application in northern Italy. Ph.D. Thesis, University of Milano, 176 pp. The aim of my Ph.D. work was to investigate the main factors related to N leaching from arable land under different pedoclimatic conditions and cropping systems in Lombardia plain.

Results. The accumulation of fertilizer-derived N in different organic fractions was season-specific. At jointing stage, preferential enrichment of 15 N was found in soil amino acids plus amino sugars, indicating the active biological immobilization of basal dressing fertilizer N. Nevertheless, there is still a small proportion of fertilizer N stabilized in the acid insoluble fraction.

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