Sustained-release bio-organic fertilizer
A bio-organic fertilizer, slow-release technology, applied in fertilization methods, fertilization devices, fertilizer mixtures, etc., can solve the problems of poor water absorption and water retention capacity of bio-organic fertilizers, achieve normal growth, increase survival rate, and improve soil environment Effect
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Embodiment 1
[0059] 1. Preparation of adhesive emulsion
[0060] 10 g of corn starch was added to a three-necked flask of 100 ml of deionized water, the stirring speed was 300 r / min, the temperature was controlled at 70 °C, and after gelatinization for 1 hour, it was cooled to room temperature. Add 30 g of acrylic acid to the beaker, then add 30 g of 20% sodium hydroxide solution, and transfer it to a three-necked flask after neutralization. Then 20 g of polyvinyl alcohol were added. Then, 0.6 g of potassium persulfate and 0.4 g of ascorbic acid were added respectively, the air in the system was replaced with nitrogen, the temperature was adjusted to 70° C., and the reaction was carried out for 1 hour. Then 0.3 g of N,N-methylenebisacrylamide was added, and the adhesive emulsion was obtained after the reaction was continued for 1 h.
[0061] 2. The adhesive emulsion is mixed with the raw materials
[0062] Add 30g sheep dung, 25g bentonite, 25g lignin, 10g nutrient element mixture, and ...
Embodiment 2
[0067] 1. Preparation of adhesive emulsion
[0068] 10 g of corn starch was added to a three-necked flask of 100 ml of deionized water, the stirring speed was 300 r / min, the temperature was controlled at 70 °C, and after gelatinization for 1 hour, it was cooled to room temperature. Add 30 g of acrylic acid to the beaker, then add 30 g of 20% sodium hydroxide solution, and transfer it to a three-necked flask after neutralization. Then 20 g of polyvinyl alcohol were added. Then, 0.6 g of potassium persulfate and 0.4 g of ascorbic acid were added respectively, the air in the system was replaced with nitrogen, the temperature was adjusted to 70° C., and the reaction was carried out for 1 hour. Then 0.3 g of aluminum citrate was added, and the adhesive emulsion was obtained after the reaction was continued for 1 h.
[0069] 2. The adhesive emulsion is mixed with the raw materials
[0070] Add 30g sheep dung, 25g bentonite, 25g lignin, 10g nutrient element mixture, and 0.5g acid-...
Embodiment 3
[0075] 1. Preparation of adhesive emulsion
[0076] 10 g of corn starch was added to a three-necked flask of 100 ml of deionized water, the stirring speed was 300 r / min, the temperature was controlled at 70 °C, and after gelatinization for 1 hour, it was cooled to room temperature. Add 30 g of acrylic acid to the beaker, then add 30 g of 20% sodium hydroxide solution, and transfer it to a three-necked flask after neutralization. Then 20 g of polyvinyl alcohol were added. Then, 0.6 g of potassium persulfate and 0.4 g of ascorbic acid were added respectively, the air in the system was replaced with nitrogen, the temperature was adjusted to 70° C., and the reaction was carried out for 1 hour. Then 0.3 g of glycerol was added, and the adhesive emulsion was obtained after the reaction was continued for 1 h.
[0077] 2. The adhesive emulsion is mixed with the raw materials
[0078] Add 30g sheep dung, 25g bentonite, 25g lignin, 10g nutrient element mixture, and 0.5g acid-base reg...
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