The most absorbed mineral nutrients in potatoes are potassium, nitrogen, and phosphorus, followed by a small amount of calcium, magnesium, sulfur, and trace amounts of iron, boron, zinc, manganese, copper, molybdenum, and sodium. The demand for nitrogen, phosphorus, and potassium is different in each growth period of potato, and the seedling stage is very small, accounting for 19%, 17.5%, and 17% of the total, respectively. Demand during the growing period soared, accounting for 56%, 48.5%, and 49% of the total respectively, with stems and leaves mainly allocated, 67%, followed by tubers 33%. Demand during the tuber formation period accounted for 25%, 34%, and 34% of the total, respectively, mainly tubers, 72%, and stems and leaves 28%. The absorption of calcium, magnesium, and sulfur is very small at the seedling stage, and the absorption rate is also slow. The planting period increases sharply, and then slowly slows down after the potato formation period. The potato absorbs very few trace elements, the tuber yield is 1340 kg / mu, the absorbed copper is 2.9 g, manganese 2.8 g, molybdenum 0.05 g, and zinc 6.6 g. Most of the nitrogen, phosphorus, and potassium required by potatoes are supplied by soil, except for the base fertilizer and top dressing. Generally, for every 1000 kg of tubers produced, 4 to 6 kg of pure nitrogen, 1.66 to 1.85 kg of phosphorus pentoxide, and 8 to 10 kg of potassium oxide need to be absorbed from the soil. Disclaimer: Some articles of this website are transferred from the Internet. If the legal rights of third parties are involved, please inform this website for processing. phone
Dehydrated Carrot powder is a processed carrot product. Processing carrots into powder not only prolongs the shelf life, but also facilitates transportation and carrying. Carrot is a common nutritious fruit and vegetable. It is eaten with fleshy roots. It is one of the main vegetables in spring and winter. Because of its high nutritional value, it is called "little ginseng" in vegetables; the main nutrition of carrots The ingredients are carotenoids, which include beta-carotene, alpha-carotene, progesterone and other carotene; the highest content is beta-carotene, accounting for 80% of the total carotene content. Beta-carotene is an important natural functional ingredient and an important and safe source of vitamin A.
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