Slow-release synergist granule for blended fertilizer, and preparation method and application method of slow-release synergist granule
A technology of synergist and granule, which is applied in fertilizer mixture, layered/coated fertilizer, application, etc. It can solve the problems of inconvenient use of powder form and prolong the short period of fertilizer effect, so as to achieve low cost, prolong the period of fertilizer effect and delay transformation Effect
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Embodiment 1
[0022] Embodiment 1: Sustained-release synergist granule 1 is formed by granulating the following raw materials according to the stated weight ratio:
[0023] 10 parts of n-butylthiophosphoric triamide, 10 parts of 4-amino-1,2,4 triazole, 500 parts of ammonium humate, 200 parts of ammonium citrate, 800 parts of attapulgite, 20 parts of adhesive, The composition of the adhesive is water: polyvinyl alcohol: formaldehyde: hydrochloric acid: sodium hydroxide: urea=100:5:2:0.5:0.5:0.2 by weight.
Embodiment 2
[0024] Embodiment 2: Slow-release synergist granules 2 are formed by granulating the following raw materials according to the stated weight ratio:
[0025] 15 parts of n-butylthiophosphoric triamide, 100 parts of 4-amino-1,2,4 triazole, 5000 parts of ammonium humate, 5000 parts of ammonium citrate, 7500 parts of attapulgite, 200 parts of adhesive, The composition of the adhesive is water: polyvinyl alcohol: formaldehyde: hydrochloric acid: sodium hydroxide: urea=100:15:5:2:2:5 by weight.
Embodiment 3
[0026] Embodiment 3: Slow-release synergist granules 3 are formed by granulating the following raw materials according to the stated weight ratio:
[0027] 12 parts of n-butylthiophosphoric triamide, 50 parts of 4-amino-1,2,4 triazole, 3000 parts of ammonium humate, 3000 parts of ammonium citrate, 2500 parts of attapulgite, 100 parts of adhesive, The composition of the adhesive is water: polyvinyl alcohol: formaldehyde: hydrochloric acid: sodium hydroxide: urea=100:6:3:1:0.8:3 by weight.
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