Effects of black soldier fly (Hermetia illucens L.) larvae zoocompost on the mineral element content of blue honeysuckle berries
摘要
Agricultural production is increasingly constrained by climate variability, soil degradation, and plant raw material safety concerns, underscoring the need to explore more sustainable solutions. This study aimed to evaluate the effect of Black Soldier Fly larvae (BSFL) zoocompost, growing season, and cultivar on the macro- and microelement content of the berries of three blue honeysuckle cultivars. The experiment was conducted during the 2024 and 2025, using different rates (0, 1000, 1500, and 2000 kg ha−1) of BSFL zoocompost for fertilization. The results revealed that BSFL zoocompost significantly increased N content in berries at all application rates, while K content increased significantly at the 1500 and 2000 kg ha−1 application rates in both years. All zoocompost application rates significantly increased P content in berries only in 2024, whereas fertilization had no significant effect on P content in 2025. In both years, fertilization had no significant effect on the Mg content. All fertilization treatments decreased Fe in ‘Wojtek’ and ‘Zojka’ berries in 2024, while increasing this element content in 2025. Fertilization at 2000 kg ha−1 in 2024 and 1500 kg ha−1 in 2025 significantly increased Fe in ‘Indigo Yum’ berries. In both years, fertilization with 1500 and 2000 kg ha−1 of BSFL zoocompost increased Zn content in ‘Zojka’ and ‘Wojtek’ berries. These findings underscore the importance of considering cultivar characteristics, fertilization practices, and climatic conditions to optimize the mineral element content of blue honeysuckle berries, thereby supporting more sustainable and efficient production systems.