Combined nitrogen input from legume residues and fertilizer improves early nitrogen supply and uptake by wheat

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Soil nitrogen (N) supply for wheat N uptake can be manipulated through legume and fertilizer N inputs to achieve yield potential in low-rainfall sandy soil environments. Field experiments over 2 years (2015–2016) were conducted at 2 different sites in a low rainfall sandy soil to determine the soil...

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Detalles Bibliográficos
Otros Autores: Muschietti Piana, María del Pilar, McBeath, Therese M., McNeill, Ann M., Cipriotti, Pablo Ariel, Gupta, Vadakattu V. S. R.
Formato: Artículo
Lenguaje:Inglés
Materias:
GROWTH STAGES
LUPIN
SANDY SOIL
SEMI-ARID ENVIRONMENTS
SOIL MINERAL N
Acceso en línea:http://ri.agro.uba.ar/files/intranet/articulo/2020muschiettipiana.pdf
LINK AL EDITOR
Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central (FAUBA) de Universidad de Buenos Aires
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245 1 0 |a Combined nitrogen input from legume residues and fertilizer improves early nitrogen supply and uptake by wheat 
520 |a Soil nitrogen (N) supply for wheat N uptake can be manipulated through legume and fertilizer N inputs to achieve yield potential in low-rainfall sandy soil environments. Field experiments over 2 years (2015–2016) were conducted at 2 different sites in a low rainfall sandy soil to determine the soil N supply capacity relative to wheat N uptake at key growth stages, after a combination of crop residue (removed, wheat or lupin) and fertilizer N (nil, low or high N) treatments were manipulated to improve wheat yield. We measured the temporal patterns of the soil profile mineral N and PAW to 100 cm depth, wheat aerial biomass and N uptake in both years. In 2016 we also measured the disease incidence as a key environmental variable. There was 35 kg ha–1 more soil mineral N to 100 cm depth following lupin than wheat residues at the end of the fallow on average in both years. In a below average rainfall season, wheat biomass produced on lupin residues was responsive to N input with soil profile mineral N depleted by increased crop N uptake early in the season. In an above average rainfall season, a higher soil mineral N supply increased actual and potential grain yield, total biomass, N uptake, harvest index and water use efficiency of wheat, regardless of the source of N. Our study showed that the combination of lupin residues with high N rate increased soil profile mineral N at early growth stages, providing a greater soil N supply at the time of high wheat N demand, and the inclusion of a legume in the rotation is critical for improving the N supply to wheat, with added disease break benefits in a low-rainfall sandy soil environment. 
653 |a GROWTH STAGES 
653 |a LUPIN 
653 |a SANDY SOIL 
653 |a SEMI-ARID ENVIRONMENTS 
653 |a SOIL MINERAL N 
700 1 |a Muschietti Piana, María del Pilar  |u Commonwealth Scientific and Industrial Research Organization (CSIRO) Agriculture and Food, Urrbrae. Australia.  |u The University of Adelaide. School of Agriculture, Food and Wine. Australia.  |9 22224 
700 1 |a McBeath, Therese M.  |u Commonwealth Scientific and Industrial Research Organization (CSIRO) Agriculture and Food, Urrbrae. Australia.  |9 71953 
700 1 |a McNeill, Ann M.  |u The University of Adelaide. School of Agriculture, Food and Wine. Australia.  |9 71954 
700 1 |9 20940  |a Cipriotti, Pablo Ariel  |u Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.  |u CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. 
700 1 |9 71955  |a Gupta, Vadakattu V. S. R.  |u Commonwealth Scientific and Industrial Research Organization (CSIRO) Agriculture and Food, Urrbrae. Australia. 
773 0 |t Journal of Plant Nutrition and Soil Science  |g Vol.183, no.3 (2020), p.355-366, tbls., grafs.  |w SECS000121 
856 |f 2020muschiettipiana  |i en reservorio  |q application/pdf  |u http://ri.agro.uba.ar/files/intranet/articulo/2020muschiettipiana.pdf  |x ARTI202011 
856 |z LINK AL EDITOR  |u https://www.wiley.com/ 
942 |c ARTICULO 
942 |c ENLINEA 
976 |a AAG 

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