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Gypsum use in agriculture has a longstanding history, yet there remains a critical need for research to understand better its impact on plant development and plant nutrient availability. This study evaluated the impact of flue gas desulfurization gypsum (FGDG) amendments on the physical and chemical properties of pine bark substrates and the growth and nutrient uptake of chrysanthemum ‘Wanda Red’. Pine bark was incorporated with controlled-release fertilizer, micronutrient fertilizer, dolomitic limestone, and varying FGDG rates (0%, 2.5%, 5%, and 10% v:v). Plant growth metrics, including dry weight, canopy volume, and foliar nutrient concentrations, were recorded at bud initiation and peak bloom. Flue gas desulfurization gypsum amendments did not significantly affect plant dry weight at bud initiation, although plants without FGDG had greater canopy volumes. By peak bloom, plants without FGDG exhibited greater dry weights, but no difference in growth indices was observed (P = 0.8648). Although the 0% gypsum plants recorded a larger size at bud initiation, there were no differences by full bloom. Foliar nutrient analyses revealed that FGDG amendments influenced nutrient uptake, with notable reductions in nitrogen (P = 0.0035) and potassium (P < 0.0001) at bud initiation but no significant differences at peak bloom. Conversely, phosphorus and calcium concentrations increased with FGDG amendments, suggesting improved retention and availability. Overall, although FGDG amendments led to reduced uptake of some nutrients and minor delays in bloom, all treatments produced marketable chrysanthemums, indicating that FGDG can be integrated into production practices without compromising plant quality. Further studies are recommended to explore lower gypsum rates and their interactions with nutrient retention and crop demand.

CONTEXTSerious games can be used as a tool for learning, increasing coordination, supporting decision-making processes, and other purposes that can strengthen sustainability transitions. While agriculture is an important corner stone for these transitions, little research has been done on serious games on agricultural and none on the potential link with sustainability issues.OBJECTIVEThis article is a systematic review of published research articles on the use of serious games to address agricultural issues. It aimed to understand how these serious games incorporate or are likely to address sustainability issues.METHODSThe process of the review is described accord to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). After data collection, we conducted a four-step analysis: i) short bibliometric analysis of the corpus, ii) descriptive analysis of the games' characteristics, iii) comprehensive analysis on sustainability based on a framework developed to define what is sustainable agriculture, iv) analysis of assessment of the games.RESULTS AND CONCLUSIONSResults were based on 237 articles including 182 empirical studies. We showed that the number of articles on serious games in agriculture have recently increased throughout the world. Serious games can reach different goals: i) learning, particularly on specific topics, ii) mediation and co-design, iii) research. Games can be seen as effective means to enable stakeholders to work together. In a context of sustainability transitions, serious games can be used to tackle complex issues. However, more effort must be undertaken to assess the real impact of the game.SIGNIFICANCEThis review confirmed the importance of serious games in agricultural research aiming to enhance sustainability transition. We identified gaps and proposed a research agenda to further work on i) inclusion of the diversity of games, ii) rethinking using of games with possible combinations, iii) opening to broader agricultural productions, iv) assessing the real impact of the games, v) using games for transdisciplinary research.