With the development of soilless cultivation techniques nowadays, all kinds of vegetables have their own set of mature soilless cultivation techniques. So we can eat potatoes without soil cultivation? Let’s bring potatoes (potato) without Soil cultivation technology: 1. Disinfection The seed is 1800kg/hm2, and the original seed is sprayed with 400~500 times of the bacterium. Soilless culture techniques of potatoes 2, dicing Cut each seed potato into more than 8 pieces. Because of its apical advantage, try to cut more buds at the top of the bud, then use 10mg/kg gibberellin 1 bag to add 10kg of water for 5min or spray 75kg of water. 3, germination Place the potato pieces on the appropriate pure soil, make the potato buds up, lay 2cm of soil on the upper layer and lay a layer of seed potato. Repeat 3~4 layers and then lay 5cm thick soil on it and stack it on the back Yang. The agricultural film is tightly covered and can be sown after 15 days. Sowing in mid-January, because the potato is in the expansion period, if the outside temperature exceeds 25 °C, the tubers stop growing, and the vines grow vigorously, so it is necessary to have a suitable growth period of 90-100 days. Sowing should not be postponed. Substrate selection: Planting ash of about 3 cm thick on the plot is used as a cultivation substrate. The planting density is about 30cm per plant spacing. The seeds of the potato are placed on the ash of the plant, and a layer of straw with a thickness of about 8 cm is placed. After 80 days of growth, there is no need to apply fertilizer and weeding. When the plants stop growing, the stems and leaves gradually become yellow, and when the stolons and tubers fall off, the potatoes can be harvested. The soil harvested from soilless cultivation has better quality and higher yield. I hope that the small series of articles will bring you a shortcut on the road. How to prepare soilless culture nutrient solution Ordinary overnight tap water lacks the essential nutrients of plants, and the long-term growth will not be as good as soil culture. In hydroponics, you can also choose to add nutrient solution to the water to supplement the flowers and vegetables. The world's most famous Morad nutrient solution is one of the most convenient and simple culture solutions. The recipe is as follows: Liquid A: 125 g of calcium nitrate and 12 g of ferrous sulfate. Add above to 1 kg (1 liter) of water. Solution B: 37 g of magnesium sulfate; 28 g of ammonium dihydrogen phosphate; 41 g of potassium nitrate; 0.6 g of boric acid; 0.4 g of manganese sulfate; 0.004 g of copper sulfate; 0.004 g of zinc sulfate. Add above to 1 kg (1 liter) of water. 1) Preparation process of nutrient solution 1 Weigh the above various fertilizers separately and put them in a clean container or plastic film bag, and a plastic film bag that is spread on the ground for use. 2 When mixing and dissolving fertilizers, it is necessary to strictly pay attention to the order. Separate Ca2+ and SO42-, PO43-, that is, calcium nitrate cannot be mixed with several fertilizers other than potassium nitrate such as sulfates such as magnesium sulfate and ammonium dihydrogen phosphate. In order to avoid the precipitation of calcium. 3A tank fertilizer dissolution sequence, first dissolve the ferrous sulfate with warm water, then dissolve the calcium nitrate, stir while adding water until the solution is uniform; B can first dissolve magnesium sulfate and then add ammonium dihydrogen phosphate and potassium nitrate, add water and stir until completely dissolved. Boric acid is dissolved in warm water and then added to the remaining trace element fertilizer. Both A and B liquid tanks are separately stirred and used. 4 When using the nutrient solution, first take 10 ml of the A tank mother liquor and dissolve it in 1 kg of water, then add the B tank mother liquor to the 1 kg of water and use. 2) Adjust the pH of the nutrient solution The pH of the nutrient solution directly affects the state, transformation and effectiveness of nutrients in the nutrient solution. For example, phosphate is prone to precipitation when it is alkaline, which affects utilization; manganese, iron, etc. may also be deficient in alkaline solution due to decreased solubility. Therefore, the adjustment of pH in the nutrient solution (ie PH value) is not negligible. The PH value can be determined by using a mixed indicator colorimetric method, and the characteristics of the different colors are displayed in the nutrient solution of the different Ph values ​​according to the indicator to determine the pH value of the nutrient solution. The nutrient solution is generally formulated with well water or tap water. If the pH of the water source is neutral or slightly alkaline, the pH of the formulated nutrient solution is similar to that of the water source, and if it does not match, it needs to be adjusted. When adjusting the pH value, the strong acid and strong alkali should be diluted with water first. When the nutrient solution is alkaline, the phosphoric acid or sulfuric acid is used to neutralize. When the acid is acid, it is neutralized with sodium hydroxide, and then added dropwise to the nutrient solution. Continue to measure with PH test paper until neutral. This article URL: Potato soilless culture technology: how to configure potato culture solution
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