What are the specific fertilizer requirements of persimmon trees?
What are the fertilizer requirements of persimmon trees? Please give an introduction. Persimmon originated in China, and wild persimmons are widely distributed along the Yangtze River and in southern China. Cultivated persimmons are extremely widely distributed in China, with many varieties. Persimmon trees have well-developed taproots and deep roots, with very few fine roots. The taproot can reach 3-4 m deep, and horizontal roots generally extend 1.5-3 times beyond the canopy. Due to...
What are the fertilizer requirements of persimmon trees? Please give an introduction.
Persimmon originated in China, and wild persimmons are widely distributed along the Yangtze River and in southern China. Cultivated persimmons are extremely widely distributed in China, with many varieties. Persimmon trees have well-developed taproots and deep roots, with very few fine roots. The taproot can reach 3-4 m deep, and horizontal roots generally extend 1.5-3 times beyond the canopy. Because the root bark contains a large amount of tannins, its healing ability after injury is poor, so root damage should be avoided as much as possible when fertilizing.
Different persimmon varieties have strong adaptability to soil pH and can grow well from alkaline to acidic soils. Analysis of the nitrogen, phosphorus, and potassium contained in the branches, leaves, roots, and fruits newly formed each year by persimmon trees shows 213.6 g of nitrogen (N), 57.6 g of phosphorus, and 183.2 g of potassium, with a nitrogen, phosphorus, and potassium ratio of about 1:0.27:0.86. Based on summaries from China and abroad, producing 1 ton of fruit requires about 8.3 kg of nitrogen (N), 2.5 kg of phosphorus, and 6.7 kg of potassium, with a nitrogen, phosphorus, and potassium ratio of about 1:0.3:0.8. It can be seen that persimmon trees have a relatively large demand for nitrogen.
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