Spraying rare earth foliar fertilizer can significantly enhance the sugar content of fruits by 0.6 degrees and improve overall yield. The recommended application method involves spraying a 0.05% solution of rare earth nitrate during the fruit's softening stage. It is best to focus on young leaves and the underside of the leaves for optimal absorption. The ideal time for spraying is on sunny afternoons or cloudy days to prevent washing away due to rain or direct sunlight. If it rains within 24 hours after spraying, the treatment should be repeated to ensure effectiveness.
When the fruit begins to soften and the skin shows a slight purple hue, it is an indicator that the fruit is ready for harvesting. At this point, it is advisable to spray the fruit uniformly with the agent 150 to 300 times, depending on the size of the crop. This process helps increase the glucose content in colored grapes, enhances color development, and improves the overall sweetness of the fruit.
In addition to rare earth elements, applying plant hormones such as phosphine and auxin can also help regulate fruit ripening and increase sugar content by 1 degree and 0.6 degrees respectively. These hormones are typically applied when the fruit starts to soften. The spraying should be done evenly and thoroughly, focusing on young leaves and the back of the foliage. Proper coverage ensures better absorption and maximum benefits.
Using these methods not only improves the quality of the fruit but also increases its market value. Farmers who implement these techniques often see a noticeable difference in both the appearance and taste of their produce. It is important to follow the instructions carefully and monitor the fruit's response to the treatments. With consistent application and proper timing, these practices can lead to higher yields and better-quality harvests. Always make sure to use high-quality products and follow safety guidelines when handling any agricultural chemicals.
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