Biological slow-release compound fertilizer
A compound fertilizer and slow-acting technology, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problems of unstable nutrient controlled release effect, short fertilizer effect period, etc., and achieve the effect of attractive appearance, production increase and high commodity value
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Embodiment 1
[0016] Embodiment 1 prepares animal blood film-forming agent A with animal blood solid
[0017] ① Preparation of animal blood solids
[0018] Liquid pig blood is filtered to remove mechanical impurities, dried or naturally dried, crushed and sieved to obtain animal blood solid pig blood powder, and set aside;
[0019] ② See Table 1 for the formulation of animal blood film-forming agent A (10kg).
[0020] Table 1
[0021] components
Raw material name and specification
Dosage, kg
animal blood solids
Pig blood meal (80-100 mesh)
1
polymer film former
Sodium alginate (industrial product)
0.16
polymer slow release agent
Mineral powder with nanoporous structure (80-100 mesh)
1
water
7.84
[0022] ③Operation
[0023] Add 1 kg of pig blood meal to 8 kg of aqueous solution with a sodium alginate content of 2% prepared by mixing 7.84 kg of water and 0.16 kg of sodium alginate, stir well,...
Embodiment 2
[0024] Example 2 Preparation of animal blood film-forming agent B with animal blood solids
[0025] ① Preparation of animal blood solids
[0026] Same as embodiment 1;
[0027] ② See Table 2 for the formula for preparing animal blood film-forming agent B (10kg).
[0028] Table 2
[0029] components
Raw material name and specification
Dosage, kg
animal blood solids
Pig blood meal (80-100 mesh)
1
polymer film former
Chitosan (industrial product)
0.08
polymer slow release agent
Mineral powder with nanoporous structure (80-100 mesh)
1
[0030] components
Raw material name and specification
Dosage, kg
water
7.92
[0031] ③Operation
[0032] Substantially identical with embodiment 1, difference is: water 7.92kg is mixed with chitosan 0.08kg to make 8kg chitosan content is the aqueous solution of 1%, and the sodium alginate content of replacing embodiment 1 is...
Embodiment 3
[0033] Example 3 Preparation of Animal Blood Film Forming Agent C Using Animal Blood Solids Derivatives
[0034] ① Preparation of animal blood solid derivatives 1
[0035] Take by weighing 100 g of pig blood meal prepared in Example 1, adjust the pH to 8 to 9 with a concentration of 0.5 M sodium hydroxide (prepared by adding 100 ml of water to 2 g of sodium hydroxide), then add 10 g of polymer material epoxy soybean oil, Using an electromagnetic stirring apparatus to stir and react overnight, then add concentrated acetic acid to adjust the pH to neutral, filter, dry, pulverize, and sieve to obtain animal blood solid derivative chemically modified pig blood powder 1, and set aside;
[0036] 2. The formula for preparing animal blood film-forming agent C (10kg) is shown in Table 3
[0037] table 3
[0038] components
Raw material name and specification
Dosage, kg
animal blood solids derivatives
Chemically modified pig blood meal 1 (80-100 mesh)
...
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