Preparation method of compound slow release fertilizer for improving yield of peaches
A technology of slow-release fertilizer and yield, which is applied in the field of preparation of compound slow-release fertilizer to increase peach yield, can solve the problems of low survival rate, single nutrient substance, and reduction of peach yield and quantity, so as to achieve fertilization of soil, lasting fertilizer effect, and improvement quality effect
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Embodiment 1
[0019] A method for preparing a compound slow-release fertilizer that improves peach yield, comprising the steps of:
[0020] S1. Put 35kg of horse manure, 15kg of expanded soybean meal, 15kg of cow dung, 6kg of pond sludge, and 5kg of composite adsorbent into a vacuum mixer, keep the vacuum at 0.1kPa, stir for 15min at a stirring speed of 10,000r / min, and seal and ferment for 4 days , get the prefabricated material a;
[0021] In the composite adsorbent, mix and stir 20kg kaolin, 5kg glucose, and 200kg water evenly, send them into a polytetrafluoroethylene reaction kettle, keep warm at a temperature of 210°C for 15h, cool, filter, add 4kg bentonite, 1kg medical stone powder, mix and grind evenly , dried at a temperature of 98°C to constant weight to obtain a composite adsorbent;
[0022] S2. Mix 80kg of ammonium chloride, 40kg of monoammonium phosphate, 5kg of kiln dust potassium fertilizer, 4kg of sodium carboxymethylcellulose, and 2kg of selenium-enriched malt, add prefabr...
Embodiment 2
[0024] A method for preparing a compound slow-release fertilizer that improves peach yield, comprising the steps of:
[0025] S1. Put 25kg of horse manure, 25kg of expanded soybean meal, 4kg of cow dung, 12kg of pond silt, and 1kg of composite adsorbent into a vacuum mixer, keep the vacuum at 0.4kPa, stir for 5min at a stirring speed of 12000r / min, and seal and ferment for 1 day , get the prefabricated material a;
[0026] In the composite adsorbent, mix and stir 30kg kaolin, 5kg glucose, and 400kg water evenly, send it into a polytetrafluoroethylene reactor, keep it warm at 200°C for 24h, cool, filter, add 2kg bentonite, 3kg medical stone powder, mix and grind evenly , dried at a temperature of 92°C to constant weight to obtain a composite adsorbent;
[0027] S2. Mix 100kg ammonium chloride, 20kg monoammonium phosphate, 15kg kiln dust potassium fertilizer, 1kg carboxymethylcellulose sodium, and 4kg selenium-enriched malt, add prefabricated material a and stir evenly, granula...
Embodiment 3
[0029] A method for preparing a compound slow-release fertilizer that improves peach yield, comprising the steps of:
[0030] S1. Put 26kg of horse manure, 18kg of expanded soybean meal, 7kg of cow dung, 8kg of pond sludge, and 2kg of composite adsorbent into a vacuum mixer, keep the vacuum at 0.2kPa, stir for 8min at a stirring speed of 10500r / min, and seal and ferment for 2 days , get the prefabricated material a;
[0031] In the composite adsorbent, mix and stir 22kg kaolin, 7kg glucose, and 320kg water evenly, send it into a polytetrafluoroethylene reactor, keep it warm at 204°C for 18h, cool, filter, add 2.5kg bentonite, 1.2kg medical stone powder and mix Grind evenly, dry to constant weight at a temperature of 93°C to obtain a composite adsorbent;
[0032] S2. Mix 89 kg of ammonium chloride, 32 kg of monoammonium phosphate, 8 kg of kiln dust potassium fertilizer, 2 kg of sodium carboxymethyl cellulose, and 2.2 kg of selenium-enriched malt, add prefabricated material a a...
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