Humic acid water-retention sustained and controlled release organic-inorganic fertilizer made from waste of sugar refineries and alcohol plants
A humic acid and inorganic fertilizer technology, applied in the application, fertilization device, fertilizer mixture and other directions, to achieve the effect of promoting crop yield, increasing root-to-shoot ratio, and overcoming application defects
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Embodiment 1
[0041] Example 1 Preparation of product 1 of the present invention
[0042] Take 900kg of alcohol waste liquid from the sugar cane sugar factory, stand for clarification, and obtain the supernatant, then heat the supernatant to 75°C for evaporation and concentration to obtain 150kg of the concentrated liquid. Add nitric acid to the concentrated liquid until the pH of the concentrated liquid is 3. Let it stand for activation at room temperature for 18 hours, then add ammonia water to adjust the pH to 7 to obtain an active humic acid solution. The active humic acid solution is dried, crushed and sieved to obtain active humic acid, about 80 kg for use.
[0043] Weigh 20 kg of polyacrylamide (purchased from Renqiu Zhenghao Chemical Products Co., Ltd.), 200 kg of rapeseed cake, and 40 kg of potassium nitrate, respectively, and pulverize, screen, and set aside.
[0044] The active humic acid obtained above, polyacrylamide, rapeseed cake, and potassium nitrate are mixed, 10 kg of 10% starch...
Embodiment 2
[0046] Example 2 Preparation of product 2 of the present invention
[0047] Take 1200kg of alcohol waste liquid from beet sugar factory, stand for clarification to obtain supernatant, then heat the supernatant to 85°C for evaporation and concentration, obtain 240kg of concentrated liquid, add nitric acid to the concentrated liquid until the pH of the concentrated liquid is 2. Leave it at room temperature to activate for 24 hours, and then add ammonia water to adjust the pH to 6.5 to obtain an active humic acid solution. The active humic acid solution is dried, crushed and sieved to obtain active humic acid, about 110 kg for use.
[0048] Weigh 30kg of polyacrylamide (purchased from Renqiu Zhenghao Chemical Products Co., Ltd.), 300kg of sphagnum moss, and 50kg of superphosphate respectively, and pulverize, sieving, and set aside.
[0049] The active humic acid obtained above, polyacrylamide, sphagnum moss, and superphosphate are mixed, and 20 kg of a 12% starch aqueous solution is add...
Embodiment 3
[0051] Example 3 Preparation of product 3 of the present invention
[0052] Take 900kg of alcohol waste liquid from the sugar cane sugar factory, stand for clarification, and obtain the supernatant, then heat the supernatant to 75°C for evaporation and concentration to obtain 150kg of the concentrated liquid. Add nitric acid to the concentrated liquid until the pH of the concentrated liquid is 3. Let it stand for activation at room temperature for 18 hours, then add ammonia water to adjust the pH to 7 to obtain an active humic acid solution. The active humic acid solution is dried, crushed and sieved to obtain active humic acid, about 80 kg for use.
[0053] Weigh 20 kg of polyacrylamide (purchased from Renqiu Zhenghao Chemical Products Co., Ltd.), 200 kg of rapeseed cake, and 40 kg of potassium nitrate, respectively, and pulverize, screen, and set aside.
[0054] Weigh 250g of 20% Enoxastrobin wettable powder for use (self-made) (the active ingredient is equivalent to 50g);
[0055] ...
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