August is a crucial time for citrus fruit development, as it marks the period of autumn shoot growth and fruit enlargement. To avoid working in the intense midday sun, it's best to schedule field operations during the early morning or late afternoon for more effective management.
**(1) Crown Management**
For early-maturing citrus varieties, it's important to assess the condition of the tree canopy. Remove diseased, misshapen, cracked, or oversized (or undersized) fruits to improve uniformity in size, appearance, and quality. Fruit quality is closely linked to the thickness of the fruit stem—fruits with thin stems that hang naturally tend to have better appearance and flavor, while those with thick stems that grow upright often become large or extra-large, resulting in rough skin and inconsistent taste. To support fruit development, apply a mix of nutrients such as Zhuang Tiling combined with potassium dihydrogen phosphate or other phosphorus-rich fertilizers. This helps enhance the fruit’s ability to absorb water and nutrients, promoting better development. To ensure sufficient flowering for the next season and reduce the risk of excessive fruiting, proper fruit thinning should be done based on the tree’s age and fruit size. Using products like Kaowang 2 (southern variety) can help the tree regulate its own nutrient distribution, reducing the occurrence of "size years" and encouraging flower bud differentiation.
**(2) Soil and Fertilizer Management**
Prolonged drought can severely affect citrus production. Excessive soil dryness can hinder fruit growth, increase acidity, cause leaf drop, and weaken the tree’s overall health. When leaves wilt and cannot recover until the next morning, irrigation is necessary. Watering should be done in the early morning or late evening, with each irrigation providing about 5–10 mm of water to support healthy fruit growth and expansion. In young orchards with low canopy cover, consider planting green manure crops between trees, mulching with plastic film, or using shade nets to maintain moisture. For coastal citrus farms, it's essential to monitor typhoon forecasts and take preventive measures to protect against strong winds and heavy rain.
By following these practices, growers can ensure healthier trees, better-quality fruits, and more sustainable production throughout the growing season.
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