Saline-alkali land improving and fertilizing agent and preparation method thereof
A fertilizer and saline-alkali land technology are applied in the field of saline-alkali land improvement fertilizer-enhancing agent and its preparation, which can solve the problems of long period of saline-alkali land improvement and fertilizer increase, low survival rate and yield, difficulty in large-scale production, etc., so as to speed up improvement and reduce planting. cost, the effect of reducing planting costs
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Embodiment 1
[0020] Take 20 parts by weight of fly ash, 10 parts of fulvic acid, 8 parts of water-soluble potassium humate extracted and purified from weathered coal, 8 parts of urea, 10 parts of monoamine phosphate, and 4 parts of iron ore powder, and pulverize them respectively Particle size ≤ 105 microns; mix, add 5 parts of organic diatomaceous earth as a binder and stir evenly, add 5 parts of water and stir evenly, granulate in a granulator, and the particle size is 2 mm; in a dryer Dry at a temperature of 120°C for 6 minutes, cool in a cooler to 40°C, use a sieving machine to screen out 2-4mm particles, pass the screened particles through a magnetization machine, and magnetize them in an environment with a magnetic field strength of 1500 Gauss 8 seconds, enter the weighing packaging program to weigh the packaging.
Embodiment 2
[0022] Get 25 parts by weight of fly ash, 15 parts of potassium humate, 7 parts of water-soluble potassium humate extracted and purified from weathered coal, 15 parts of ammonium nitrate, 10 parts of diamine phosphate, and 5 parts of iron ore powder, respectively Grinding to a particle size of ≤110 microns; mixing, adjusting the PH value to 6, mixing evenly, adding 6 parts of inorganic bentonite as a binder and stirring, then adding 6 parts of water and stirring, and granulating in a granulator with a particle size of 1.5 mm. Dry in a dryer at 110°C for 7 minutes, cool to 35°C in a cooler, use a sieving machine to screen out particles of 1.5 to 3.5 mm, and then pass through a magnetizer to magnetize for 7 seconds in an environment with a magnetic field strength of 1800 Gauss , enter the weighing package program to weigh the package.
Embodiment 3
[0024] Get 30 parts by weight of fly ash, 20 parts of fulvic acid, 10 parts of water-soluble sodium humate extracted and purified from weathered coal, 20 parts of ammonium sulfate, 8 parts of potassium dihydrogen phosphate, and 3 parts of iron ore powder, respectively It is pulverized to a particle size of ≤120 microns, mixed, and the pH value is adjusted to 6.5. After mixing evenly, add 8 parts of organic diatomite as a binder and stir evenly, then add 10 parts of water and stir evenly, and granulate in a granulator. 3mm, dried in a dryer at 200°C for 10 minutes, cooled to 25°C; screened out 3-4mm particles with a sieving machine, and then magnetized in an environment with a magnetic field strength of 2000 Gauss for 5 Seconds, enter the weighing packaging program to weigh the packaging.
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