The sweetness of fruit is related to nitrogen fertilizer

The sweetness of fruit is determined by the amount of sugar in its cells, and the accumulation of sugar is closely related to nitrogen fertilizer. Therefore, the sweetness of fruit is related to nitrogen fertilizer. From 28 days after the fruit tree was grown until it was deferred, the cells of the young fruit were in a split state. The cells were filled with protein-based cytoplasm. Afterwards, the cell division stopped and began to expand rapidly and the cell wall extended outward. At this point, the cytoplasm gradually adheres around the cell membrane, and a large vacuole is formed at the center. The inside is a bubble fluid, which is the main place where the fruits store starch, organic acids and other substances. When the fruit matures, the vacuole is almost full of starch and is gradually broken down into fructose, glucose and sucrose, which increases the sweetness of the fruit.
If too much nitrogen is applied, although it is conducive to the formation of proteins, it will increase the intracellular cytoplasm, causing a delay in the mononuclear phasing of the cytoplasm and a corresponding decrease in vacuolar volume, which will directly hinder the storage of starch. At the same time, excessive application of nitrogen fertilizer will make fruit tree shoots grow vigorously, and the sugar produced by the leaves will be consumed in growth, reducing the transportation to the fruit and affecting the sweetness of the fruit.

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