The Latest High-Yield Fertilization Methods and Technical Points for Potatoes
Potatoes are very rich in starch and are a tuber vegetable that many people quite enjoy eating, and the editor is one of them. Potatoes have a relatively large fertilizer requirement throughout their entire growth period, and if you want a high yield, you also need a reasonably sound fertilization method. But many people also do not know how to fertilize, or when to fertilize. So today the editor has brought you the high-yield fertilization techniques for potatoes. Let's take a look!
1. Fertilizer requirement characteristics
Each growth stage of the potato has different fertilizer requirements, but the nutritional demands are also fairly comprehensive. For example, after the potatoes are sown and the seedlings emerge and reach the seedling stage, they need a large amount of nitrogen and potassium fertilizer, with the demand for these two fertilizers reaching about 1/5 of the total amount, while the demand for phosphorus fertilizer is relatively small. Then, when they reach the flowering and budding stage, the demand for potassium fertilizer is the greatest, followed by nitrogen and phosphorus fertilizer. By the final maturation and tuber expansion stage, the demand for nitrogen and phosphorus increases. So when fertilizing, you must properly match the fertilizer nutrients according to the soil fertility and the potato's growth stage.
2. Base fertilizer
Potatoes like a cool environment and require fertile, loose soil. Because the potato's growth period is relatively short, when fertilizing you should use a relatively large proportion of fully decomposed base fertilizer. This can effectively improve the soil's growing environment and can promote potato emergence and growth. Base fertilizer is the most important when fertilizing. While using farmyard manure, you should also appropriately pair it with nitrogen, phosphorus and potassium to improve potato quality. Nitrogen, phosphorus and potassium fertilizers are the basic nutrients for plant growth. Only by ensuring sufficient nutrients can potatoes grow better and the yield be increased.
3. Topdressing
The high-temperature, rainy summer environment is an important time for topdressing potatoes. The first topdressing is the seedling-preserving fertilizer, applied when 80% of the seedlings have grown to 12-16 cm. When topdressing, combine it with intertillage and earthing up. The topdressing fertilizer can use urea mixed with water to promote the growth of the plant's stems and leaves. The second time, during the potato's branching stage and tuber growth stage, apply the tuber-setting fertilizer to meet the nutritional needs of potato expansion. The second fertilizer is mainly nitrogen fertilizer, and the amount is determined according to the plant's growth condition.
4. Potassium fertilizer
Based on experience in growing potatoes, the potato's demand for potassium fertilizer is the greatest, because the potato's yield is relatively high, so the demand for potassium fertilizer naturally increases. When the potatoes are in the tuber-promoting stage, apply the corresponding amount of potassium sulfate according to the planting area, and then do the work of ridging and earthing up. Also carry it out together with intertillage and weeding. Sufficient potassium fertilizer can significantly increase the potato yield, so during the growing process we can appropriately apply potassium fertilizer according to the plant's condition to increase the potato yield.
The above is a brief introduction to potato fertilization methods. In fact, it is just about the potato's demand for certain fertilizers. Nitrogen, phosphorus and potassium, as basic nutrients, are essential. But you should also apply moderate amounts of elements such as magnesium and calcium to ensure that the potato has sufficient and comprehensive nutrition during growth. That is all for today's introduction. This article is for reference only, and we hope it can help everyone.