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Erratum published on 28 July 2021, see Agriculture 2021, 11(8), 709.
Article

IoFarm in Field Test: Does a Cost-Optimal Choice of Fertilization Influence Yield, Protein Content, and Market Performance in Crop Production?

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Agricultural Production and Resource Economics, Technical University of Munich (TUM), Alte Akademie 14, 85354 Freising, Germany
2
Educational Schools Triesdorf, Markgrafenstraße 12, 91746 Weidenbach, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Markku Yli-Halla
Agriculture 2021, 11(6), 571; https://doi.org/10.3390/agriculture11060571
Received: 19 May 2021 / Revised: 19 June 2021 / Accepted: 19 June 2021 / Published: 21 June 2021
(This article belongs to the Section Crop Production)
Decision-support system (DSS) IoFarm was developed to identify economically optimal fertilizer strategies on the farm level. The average cost savings are 66 EUR ha−1. This study aimed to determine whether this approach impacts yield, protein content, and market performance in crop production compared to usual farm-fertilization strategies. Few DSSs for fertilizer optimization consider multiple nutrients. DSSs with a clear focus on both fertilizer intensity and the least-cost combination of fertilizers are even rarer. To the best of our knowledge, there is no information in the literature on the impact of such DSSs on yield, protein content, and market performance for cereal–maize crop rotation. This study determines for the first time whether the financial benefits of using such an optimization tool are in conflict with important agronomic goals. In a three-year field trial, IoFarm was compared to standard farm-fertilization strategies. Results were evaluated with an analysis of variance followed by post hoc tests. No significant differences in yield, protein content, and market performance were found for comparable fertilization variants (with or without organic fertilization). However, differences exist in the selection of fertilizers and the timing of fertilization. Results show the agronomic comparability of IoFarm and usual farm-fertilizer strategies. View Full-Text
Keywords: fertilizer recommendation; nutrient management; model validation; least-cost combination; decision support; field trial fertilizer recommendation; nutrient management; model validation; least-cost combination; decision support; field trial
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MDPI and ACS Style

Tröster, M.F.; Sauer, J. IoFarm in Field Test: Does a Cost-Optimal Choice of Fertilization Influence Yield, Protein Content, and Market Performance in Crop Production? Agriculture 2021, 11, 571. https://doi.org/10.3390/agriculture11060571

AMA Style

Tröster MF, Sauer J. IoFarm in Field Test: Does a Cost-Optimal Choice of Fertilization Influence Yield, Protein Content, and Market Performance in Crop Production? Agriculture. 2021; 11(6):571. https://doi.org/10.3390/agriculture11060571

Chicago/Turabian Style

Tröster, Michael F., and Johannes Sauer. 2021. "IoFarm in Field Test: Does a Cost-Optimal Choice of Fertilization Influence Yield, Protein Content, and Market Performance in Crop Production?" Agriculture 11, no. 6: 571. https://doi.org/10.3390/agriculture11060571

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