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Fertilization and moisture-retaining water regulation techniques To achieve high yields and deep sweetness in green-skinned pomelos, water management and nutritional regimes play a decisive role. During the young plant stage, regular daily watering is required to maintain root moisture, combined with periodic top-dressing using well-decomposed organic fertilizer and NPK to help the tree develop a strong canopy framework. As the tree enters the commercial and fruit-bearing stage, the watering volume must be flexibly adjusted according to the season, particularly by providing adequate water during the dry season and ensuring proper drainage during the rainy season to prevent waterlogging, which causes root rot. Additionally, supplementing potassium-rich and micronutrient fertilizers while the fruit is growing will help the rind maintain its natural glossy green color, keep the pulp juicy without drying at the segment tips, and enhance its signature sweet flavor.
Pruning, canopy management, and pest and disease control techniques Proactively pruning and shaping the canopy periodically not only keeps the pomelo orchard well-ventilated and optimizes photosynthetic capacity but also minimizes the shelter for pests and diseases. Growers should focus on removing old, diseased, and water sprouts growing densely within the canopy so that the tree can concentrate nutrients on nurturing the main fruit-bearing branches. Green-skinned pomelos are highly sensitive to pests such as leafminers, red spider mites, mealybugs, and canker or scab diseases on the fruit. Therefore, frequently inspecting the orchard for early signs of disease, combining biological control methods, bagging the fruit early, and only spraying plant protection chemicals when absolutely necessary will help protect the rind to keep it clean and beautiful, ensuring safety standards upon harvest and enhancing commercial value.
