Underground solid crops
2018-08-06 20:02:06
Underground solid crops (sweet potato, potato, peanut, yam, Jerusalem artichoke, taro) have potassium-like properties. The addition of potash fertilizer can increase the yield and quality of underground solid crops. Because potassium is applied, it can promote the photosynthesis of stems and leaves, and produce more carbohydrates (starch, protein, fat). At the same time, it is beneficial to transport these organic nutrients from stems and leaves to storage organs (underground rhizomes), accelerating potato chips and The expansion of the pod can also enhance the crop's ability to resist drought, cold, disease and insects, and resist lodging, creating conditions for high yield and quality.
The period of underground crops requires the most potassium: First, the seedling stage (before and after seedlings), so when planting seedlings and transplanting, apply 3-4 kg of chemical potassium fertilizer, mix 2-3 kg of urea, and carry out the fixed planting or strip application. In order to absorb as soon as possible, promote early growth and long-term, set up a high-yield posture. The second is the fruit formation period (about 30 days before harvest). The same amount and type of fertilizer should be applied to apply the crack fertilizer when the potato is expanded. When the peanut (soybean) is pod, the line is applied to the interplanting line. The pod is swollen and is very effective for high-yield, high-quality and anti-premature aging, and generally can increase yield by 20-30%.
In the middle and late stages of solid crop growth, root top dressing can also be carried out, which can increase the yield of high quality anti-premature aging, and can replenish the field water and nutrients, and also have the advantage of combating drought and cooling. The concentration is 1% potassium fertilizer, 0.2% potassium dihydrogen phosphate, 5% soy ash soaked in the filtrate, generally spray 2, 3 times (5-7 days interval), it has been proved by practice that it can generally increase production by more than 10-15%. For example, in the potassium fertilizer solution (except the vegetation ash), adding 1% urea and spraying, the effect is better.
The period of underground crops requires the most potassium: First, the seedling stage (before and after seedlings), so when planting seedlings and transplanting, apply 3-4 kg of chemical potassium fertilizer, mix 2-3 kg of urea, and carry out the fixed planting or strip application. In order to absorb as soon as possible, promote early growth and long-term, set up a high-yield posture. The second is the fruit formation period (about 30 days before harvest). The same amount and type of fertilizer should be applied to apply the crack fertilizer when the potato is expanded. When the peanut (soybean) is pod, the line is applied to the interplanting line. The pod is swollen and is very effective for high-yield, high-quality and anti-premature aging, and generally can increase yield by 20-30%.
In the middle and late stages of solid crop growth, root top dressing can also be carried out, which can increase the yield of high quality anti-premature aging, and can replenish the field water and nutrients, and also have the advantage of combating drought and cooling. The concentration is 1% potassium fertilizer, 0.2% potassium dihydrogen phosphate, 5% soy ash soaked in the filtrate, generally spray 2, 3 times (5-7 days interval), it has been proved by practice that it can generally increase production by more than 10-15%. For example, in the potassium fertilizer solution (except the vegetation ash), adding 1% urea and spraying, the effect is better.
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