Compound water retention soil conditioner and preparation thereof
A soil conditioner and water retention technology, applied in urea compound fertilizers, fertilizer mixtures, organic fertilizers, etc., can solve problems such as the decrease in the quantity and quality of aggregates, the sharp decrease in soil organic matter content, and the degradation of soil aeration conditions, and achieve accelerated metabolism. , reduce salt damage, improve the effect of water and fertilizer retention
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Embodiment 1
[0021] 1 kg of wood bran, 10 kg of peanut cake, 3 kg of lignite, and 0.005 kg of yeast are crushed and added to about 1.5 kg of diluted urea solution (the weight concentration of urea solution is 10%) for mixing, and after mixing, stack and ferment at room temperature for two weeks (or use fermentation equipment to ferment, the fermentation time can be shortened to 24-72 hours), after that, dry it in the sun for three days (or dry it with a drying mechanism), and become a dry product of about 10 kg (organic matter ≥ 70%), And carry out secondary pulverization, cross 100 mesh sieves.
[0022] Soak 3 kg of attapulgite in 10% hydrochloric acid by weight for 24 hours, dry at 120°C until constant weight, and crush it for later use. Add 8 kg of cornstarch to distilled water, gelatinize at 95°C for 30 minutes, cool down to 40°C, add 3 kg of attapulgite, 10 kg of organic matter, 0.3 kg of initiator potassium persulfate, 20 kg of acrylamide, 0.07 kg of cross-linking agent polyethylene...
Embodiment 2
[0026] Put 10 grams of wood bran, 150 grams of bean cake, 35 grams of lignite, and 0.07 grams of yeast. After crushing, add 20 grams of urea solution with a total concentration of 10% for stirring. The time can be shortened to 24-48 hours), and then dried in the air for three days (or dried with a dryer), becoming a dry product of about 140 grams, which is pulverized for the second time and passed through a 100-mesh sieve. Soak 78 grams of attapulgite in hydrochloric acid with a total concentration of 10% for 24 hours, bake at 120° C. to constant weight, and grind it for later use.
[0027]Add 150 grams of cornstarch into distilled water, gelatinize at 95°C for 30 minutes, cool down to 40°C, add 78 grams of attapulgite, 140 grams of organic matter, 6 grams of initiator ammonium sulfate, 120 grams of acrylamide, 2 gram of cross-linking agent polyethylene glycol diglycidyl ether and 1L of water, raise the temperature to 50-70°C and keep for 3-5 hours. Then the temperature was r...
Embodiment 3
[0031] Put 25 grams of wood bran, 375 grams of bean cake, 90 grams of peat, and 0.2 grams of yeast. After crushing, add 50 grams of urea solution with a total concentration of 10% for stirring. The time can be shortened to 24-48 hours), and then dried in the air for three days (or dried with a dryer), becoming a dry product of about 340 grams, which is pulverized for the second time and passed through a 100-mesh sieve.
[0032] Soak 200 grams of attapulgite in hydrochloric acid with a total concentration of 10% for 24 hours, bake at 120° C. to constant weight, and grind it for later use.
[0033] Add 375 grams of cornstarch into distilled water, gelatinize at 95°C for 30 minutes, cool down to 40°C, add 200 grams of attapulgite, 340 grams of organic matter, 15 grams of initiator ammonium sulfate, 300 grams of acrylamide, 5 gram of cross-linking agent polyethylene glycol diglycidyl ether and 3L of water, raise the temperature to 50-70°C and keep for 3-5 hours. Then the temperat...
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