Radiation Use Efficiency of Forage Resources: A Meta‐Analysis

摘要: Forage production is increasingly monitored through models based on remote sensing. Radiation use efficiency (RUE) a key input to these models. However, no study has synthesized the published values of RUE forage resources. Our objective was quantitatively synthesize meta-analysis variation resources and its main controls. We gathered 496 assessed their according genotype, resource availability phenological stage. Mean 1.93 ± 1.2 g dry matter (DM) per megajoule intercepted photosynthetically active radiation (IPAR) (±SD). The most responsive genotype direct indirect manipulations availability. Within treatments, mean effect size C₄ species identity, cultivar identity C₃ 61, 58, 42%, respectively. 43% for N fertilization, 40% shading inter-annual environmental 23% irrigation defoliation frequency. For phenology treatment, reproductive vs. vegetative stage did not differ from zero. This large variability implies challenge select as estimate productivity plant-growth models, such those sensing, but also highlight margin increasing breeding management practices.