Improver for basic soil and preparation method thereof
A soil improver, alkaline technology, applied in the field of alkaline soil improver and its preparation, can solve the problem of not being able to effectively improve saline-alkali soil and reduce the pH value of the soil solution from the root, and the improver does not have the ability to improve soil quality To achieve the effect of enhancing cycle operation efficiency, reducing total salt content, and reducing soil bulk density
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[0019] Example 1:
[0020] Alkaline soil conditioner, its composition and its weight parts are: 35 parts of sorghum straw activated carbon, 40 parts of fermented corn stalk powder, 120 parts of organic ecological fertilizer, 16 parts of urea, 10 parts of diammonium hydrogen phosphate, 10 parts of desulfurization gypsum, combustion 8 parts of coal flue gas desulfurization waste, 24 parts of vinegar residue, 18 parts of distiller's grains, 40 parts of furfural residue, 8 parts of water retention agent, 18 parts of aluminum sulfate, 10 parts of zinc sulfate, 13 parts of ferrous sulfate, 50 parts of sulfur; soil improvement The agent can not only enhance soil carbon sequestration and water holding, but also effectively increase soil nutrient retention, reduce soil bulk density, and increase soil porosity, and the substitution ability of divalent and trivalent metal ions rich in amendments is greater than that of salt bases. The ion substitution ability of ions sodium ions and pota...
Example Embodiment
[0021] Example 2:
[0022] The preparation method of alkaline soil conditioner comprises the following steps:
[0023]1) Weigh and mix the dried sorghum straw powder and concentrated phosphoric acid at a ratio of 1:0.85. After fully stirring, use a kneader to knead at a temperature of 105°C for 30 minutes. After kneading, the sample is granulated into a diameter of 3.5mm and a length of 6.5mm. After the sample is hardened, phosphoric acid activation is performed in a high-temperature furnace. When the furnace temperature rises to 500 °C, the sample is placed in the sample and kept for 10 minutes. After activation, the sample is cooled to room temperature, washed with deionized water until neutral, and baked. After drying, the phosphoric acid activation sample is obtained; 2) Take the phosphoric acid activation sample and place it in a high-temperature furnace again, add water at 20 mL / min, and activate it for 1.5 hours in a water vapor atmosphere at 680 °C. After activation, c...
Example Embodiment
[0024] Example 3:
[0025] The preparation method of alkaline soil conditioner includes: phosphoric acid activation, steam activation, fermentation of corn stalks, compost, and compound conditioner, and specifically includes the following steps:
[0026] Phosphoric acid activation: Weigh and mix the dried sorghum straw powder and concentrated phosphoric acid at a ratio of 1:0.92. After fully stirring, use a kneader to knead at a temperature of 108 ° C for 45 minutes. After kneading, the sample is granulated into a diameter of 4.0 mm and a length of 8.0 mm columnar particles, after the sample is hardened, phosphoric acid activation is performed in a high-temperature furnace. When the furnace temperature rises to 510 °C, the sample is placed in the sample and kept for 12 minutes. After activation, the sample is cooled to room temperature and washed with deionized water until neutral. After drying, it is the phosphoric acid activation sample; phosphoric acid high temperature acti...
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