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- Multi-environment field trials for wheat yield, stability and breeding progress in Germany

An overview of the multi-environmental trial (MET) dataset containing 24 traits of winter wheat collected across six locations in Germany (GGE, HAN, KAL, KIE, QLB, RHH) with nine managements during six years (2015–2020). (a) Density plot of four agronomic traits (harvest index, grain number, grain yield and straw dry mass at maturity) as examples to demonstrate the effect of managements (M) on traits distributions across 29 combinations of year by location (Y/L). (b) Total number of observations for 24 traits across all combinations of growing conditions (year by location by management; Y/L/M) from sampling sources collected from 50 cm cut and whole plot. Abbreviation of locations: Gross Gerau (GGE), Hannover (HAN), Klein Altendorf (KAL), Kiel (KIE), Quedlinburg (QLB), and Rauischholzhausen (RHH). Un-balanced nine managements comprise of three treatments: nitrogen fertilizer, fungicide application and water availability. Nitrogen treatments has two levels: high (HN: 220 kg N ha⁻¹) and low (LN: 110 kg N ha⁻¹). Fungicide treatment contains two application levels: with (WF) or without (NF) fungicide application. Water availability treatment has three levels: rain-fed (RF), irrigated (IR) and covered with rainout-shelter (RO).
An overview of the multi-environmental trial (MET) dataset containing 24 traits of winter wheat collected across six locations in Germany (GGE, HAN, KAL, KIE, QLB, RHH) with nine managements during six years (2015–2020). (a) Density plot of four agronomic traits (harvest index, grain number, grain yield and straw dry mass at maturity) as examples to demonstrate the effect of managements (M) on traits distributions across 29 combinations of year by location (Y/L). (b) Total number of observations for 24 traits across all combinations of growing conditions (year by location by management; Y/L/M) from sampling sources collected from 50 cm cut and whole plot. Abbreviation of locations: Gross Gerau (GGE), Hannover (HAN), Klein Altendorf (KAL), Kiel (KIE), Quedlinburg (QLB), and Rauischholzhausen (RHH). Un-balanced nine managements comprise of three treatments: nitrogen fertilizer, fungicide application and water availability. Nitrogen treatments has two levels: high (HN: 220 kg N ha⁻¹) and low (LN: 110 kg N ha⁻¹). Fungicide treatment contains two application levels: with (WF) or without (NF) fungicide application. Water availability treatment has three levels: rain-fed (RF), irrigated (IR) and covered with rainout-shelter (RO).
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