Seedling stretching remains a common challenge in nurseries, often affecting transplant quality and ultimately reducing crop yield. Elongated seedlings tend to develop thin, weaker stems and show greater sensitivity to environmental and mechanical stress, making their management a priority for growers aiming for consistent results.
To address this issue, targeted agronomic practices are essential. Effective light management, such as the use of blue filters or materials that enhance the red to far-red ratio, helps promote more balanced plant development. Adjusting planting density also plays a key role, as overcrowding leads to competition for light and encourages excessive elongation. By reducing the number of seedlings per square meter or adopting staggered layouts, growers can better control plant structure.
Environmental conditions within the greenhouse are equally important. Maintaining proper ventilation and stable temperature levels helps prevent stretching, while excessive heat and poor airflow tend to worsen the problem. Irrigation strategies also contribute, with daytime watering and keeping plants dry at night helping to limit unnecessary elongation, particularly during winter months. Balanced nutrition is another critical factor, where avoiding excess ammoniacal nitrogen and phosphorus while ensuring adequate calcium supports stronger, more uniform growth. In addition, well-structured substrates with a high proportion of white peat combined with inert materials like perlite or vermiculite improve aeration and root development.
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Atlantic Man. supports nursery operators with integrated technological solutions designed to enhance these agronomic practices. Its range includes systems for substrate preparation, seeding, automated irrigation, transplanting, handling, and container cleaning and disinfection. By combining these technologies, nurseries can achieve greater precision and uniformity throughout the production process, optimize density and substrate management, control moisture levels, and promote healthier root systems.
Through the adoption of both sound agronomic techniques and intelligent mechanization, growers are better equipped to produce compact, resilient seedlings while minimizing the risk of stretching.
For more information:
Atlantic Man
Email: [email protected]
https://tech.atlanticgroup.it/
