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This document focuses on direct seeding as a reforestation method, offering a comprehensive analysis of its historical context, current efficacy, and future potential. The authors detail the merits of direct seeding, highlighting its ecological advantages, natural root system development, cost-effectiveness compared to planting seedlings, and operational benefits for large, remote, or low-budget restoration projects. Despite these advantages, the review examines current research findings which consistently show low seedling establishment rates due to various limiting factors such as seed parameters, timing of seeding, inappropriate seeding practices, unfavorable microsite conditions, competitive vegetation, and significant seed predation. The document also provides a direct comparison between seeding and traditional seedling planting, generally concluding that planted seedlings exhibit higher survival and faster initial growth. Finally, it explores potential alternative direct seeding practices and technologies, like seed shelters and drone-based delivery systems, that aim to overcome existing challenges and enhance the success rates of this method for global forest restoration efforts.

This article explores the ecophysiological factors influencing seedling establishment in forest restoration efforts. It examines how a seedling's morphological and physiological characteristics interact with environmental conditions on restoration sites, ultimately determining its success. The article explores how light, temperature, and water availability affect seedling performance, highlighting the challenges posed by extreme conditions like frost or drought and the benefits of optimal growing environments. The critical role of nutrient cycling and competitive vegetation is also discussed, emphasizing that a comprehensive understanding of these interactions is key to applying effective silvicultural practices that maximize seedling growth and ensure rapid forest stand establishment.