Site specific nitrogen fertilisation recommendations based on simulation

K. C. Kersebaum; K. Lorenz; H. I. Reuter; O. Wendroth; A. Giebel; J. Schwarz

Site specific nitrogen fertilisation recommendations based on simulation

K. C. Kersebaum, K. Lorenz, H. I. Reuter, O. Wendroth, A. Giebel, J. Schwarz

Plant and Soil Sciences

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

6 Citations (SciVal)

Abstract

For two fields, site specific nitrogen recommendations were calculated based on the simulation of crop growth and nitrogen dynamics using the spatial distribution of relevant soil and terrain characteristics. On one field, a retrospective calculation of yield response on fertilisation showed differences of yield response between single locations. Model-derived recommendations and real management performance were compared. For the other field, real time model recommendations were derived for two years. Compared with a Nmin/Hydro-N-sensor based method, the model-based strategy yielded savings of 40 kg ha^-1 for both years without grain yield reduction.

Original language	English
Title of host publication	Precision Agriculture
Pages	309-314
Number of pages	6
ISBN (Electronic)	9789086865147
State	Published - Jan 1 2024

Bibliographical note

Publisher Copyright:
© Wageningen Academic Publishers The Netherlands, 2003.

Keywords

crop growth
fertilisation
model
nitrogen

ASJC Scopus subject areas

General Engineering
General Agricultural and Biological Sciences
General Social Sciences

Cite this

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abstract = "For two fields, site specific nitrogen recommendations were calculated based on the simulation of crop growth and nitrogen dynamics using the spatial distribution of relevant soil and terrain characteristics. On one field, a retrospective calculation of yield response on fertilisation showed differences of yield response between single locations. Model-derived recommendations and real management performance were compared. For the other field, real time model recommendations were derived for two years. Compared with a Nmin/Hydro-N-sensor based method, the model-based strategy yielded savings of 40 kg ha-1 for both years without grain yield reduction.",

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AU - Kersebaum, K. C.

AU - Lorenz, K.

AU - Reuter, H. I.

AU - Wendroth, O.

AU - Giebel, A.

AU - Schwarz, J.

PY - 2024/1/1

Y1 - 2024/1/1

N2 - For two fields, site specific nitrogen recommendations were calculated based on the simulation of crop growth and nitrogen dynamics using the spatial distribution of relevant soil and terrain characteristics. On one field, a retrospective calculation of yield response on fertilisation showed differences of yield response between single locations. Model-derived recommendations and real management performance were compared. For the other field, real time model recommendations were derived for two years. Compared with a Nmin/Hydro-N-sensor based method, the model-based strategy yielded savings of 40 kg ha-1 for both years without grain yield reduction.

AB - For two fields, site specific nitrogen recommendations were calculated based on the simulation of crop growth and nitrogen dynamics using the spatial distribution of relevant soil and terrain characteristics. On one field, a retrospective calculation of yield response on fertilisation showed differences of yield response between single locations. Model-derived recommendations and real management performance were compared. For the other field, real time model recommendations were derived for two years. Compared with a Nmin/Hydro-N-sensor based method, the model-based strategy yielded savings of 40 kg ha-1 for both years without grain yield reduction.

KW - crop growth

KW - fertilisation

KW - model

KW - nitrogen

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BT - Precision Agriculture

ER -

Site specific nitrogen fertilisation recommendations based on simulation

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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