Search for dissertations about: "Vitality fertilization"
Found 3 swedish dissertations containing the words Vitality fertilization.
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1. Bark lesions and sensitivity to frost in beech and Norway spruce
Abstract : Strong temperature fluctuations and pathogen attacks can cause bark lesions, visible signs of wounds in the phloem and cambium. Pathogenic insects and fungi are able to invade lesions that have not healed, further increasing the damage. READ MORE
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2. Nutrient imbalance in Norway spruce
Abstract : The studies presented in my thesis indicate that growing Norway spruce in monoculture does not constitute sustainable forest management in a high N and S deposition environment, such as in southern Sweden. The combination of N-induced high growth rates and leaching due to soil acidification causes soil reserves of nutrients to decrease. READ MORE
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3. Fungal assemblages in forest trees : influence of internal and external conditions
Abstract : Forest trees host a plethora of microorganisms (bacteria, viruses, fungi) whose roles and diversity are still poorly understood despite the increased scientific interest for the past decades. The thesis focuses on the diversity of endophytic and epiphytic fungi in the aerial tissues of broadleaved trees. READ MORE