The Importance of Autumn Fertilization in Fruit Trees.
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Autumn fertilization in fruit trees is essential for preparing the trees for winter and promoting the formation of nutrient reserves that will be used in the following spring.
Autumn fertilization is crucial for preparing fruit trees for winter and promoting the accumulation of nutrient reserves that will be used in the following spring. During this time, while trees enter a dormant phase and reduce vegetative activity, the root system remains active, continuing to store energy and nutrients.
These reserves, accumulated in autumn, are essential for a strong start in the next growing season.
Benefits of Autumn Fertilization:
Autumn fertilization in fruit trees offers a range of key benefits that contribute not only to the health of the tree but also to the productivity and quality of the harvest in the following season:
Nutrient Accumulation for Spring:
Autumn fertilization enables trees to store nutrients in their trunks, roots, and branches, leading to better flowering, improved fruit set, and more vigorous growth in spring.
Phosphorus supports the development of flower buds and root growth, while potassium enhances energy storage for spring.
Strengthening the Root System:
Despite the tree´s aerial parts (leaves and branches) entering dormancy, the root system remains active. Autumn fertilization strengthens roots, improving their ability to absorb water and nutrients during winter and spring.
Phosphorus promotes deep, strong root growth, increasing resilience against stress like drought and frost. Micronutrients, such as magnesium, are also vital for maintaining root health and efficient nutrient absorption.
Improved Resistance to Frost and Winter Stress:
Well-nourished trees are more resistant to frost, as stronger tissues provide better protection against cold.
Potassium reinforces cell walls and regulates water retention, safeguarding the tree from cold damage and preventing dehydration caused by dry, cold winter winds.
Optimizing Flowering, Fruit Setting, and Production:
Proper autumn nutrition boosts productivity by ensuring the tree has enough reserves to support healthy flowering and fruiting in the next cycle.
Nutrients like boron and potassium are essential for the development of flower buds and sugar transport, leading to abundant flowering, improved fruit set, and higher-quality harvests.
Application of Organic Fertilizers in Autumn:
Well-composted manure is an excellent organic fertilizer for improving soil structure and gradually releasing nutrients.
These fertilizers not only provide balanced NPK and micronutrients but also enhance soil structure, water retention, and root development due to their organic matter content.
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Estercol® Organic amendment made entirely from manures that undergo a controlled composting and stabilization process, completely natural, resulting in a high-quality product with rapid availability.
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Application of Foliar Fertilizers in Autumn:
Foliar fertilization in autumn, using NPK fertilizers (nitrogen, phosphorus, and potassium) and micronutrients such as boron, complements soil fertilization and helps prepare fruit trees for winter.
It is recommended to apply it during the early weeks of autumn, when the leaves can still absorb nutrients before entering dormancy.
This method is particularly useful for correcting specific deficiencies, such as boron deficiency, which affects flowering and fruit development. Additionally, potassium applied foliarily enhances carbohydrate synthesis, storing more energy in the roots and trunk.
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Fertilone® Fol 8.8.8 Amino Liquid fertilizer with amino acids, featuring a well-balanced NPK nutrient ratio (8-8-8), designed for foliar application on all types of crops.
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Boroestop® Highly soluble and easily assimilated boron-ethanolamine solution, specifically designed to provide boron to crops via foliar application.
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Autumn fertilization is essential not only for ensuring a good harvest but also for improving the long-term health of fruit trees.
Well-nourished trees enter winter stronger, withstand harsh weather better, and emerge in spring with the energy needed for vigorous growth, optimizing fruit production.