Method for preparing biological biochar based fertilizer applicable to improvement of low-quality light sierozem
A technology of biochar-based fertilizer and light gray calcium soil, which is applied in the preparation of organic fertilizers, bio-organic part treatment, application, etc., can solve the problem of not considering whether the nutrient requirements match, ignore, and water holding capacity of light gray calcium soil The effect of improvement is unknown and other problems, to achieve the effect of expanding resource utilization, mitigating the greenhouse effect, and reducing accumulation hazards and risks
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Embodiment 1
[0022] The water-retaining biochar based fertilizer of this embodiment is a special biochar based fertilizer for wolfberry, and its preparation method is as follows:
[0023] Preparation of wolfberry branches biochar: Naturally air-dried wolfberry branches to make their moisture content less than 10% (weight mass fraction), trim them to a length of about 5 cm, and use a large-scale biochar carbonization furnace to pyrolyze under nitrogen. After 2 hours, airtight anaerobic cooling to room temperature in a cooling tank to produce wolfberry branch biochar.
[0024] Crushing and sieving of raw materials: crushed wolfberry branch biochar, wolfberry branch and phosphate rock powder, crushed wolfberry branch biochar through 35 mesh sieve, and crushed wolfberry branch and phosphate rock through 60 mesh sieve.
[0025] Fertilizer mixture preparation: The amount of raw materials added per 100 kg weight of biochar-based wolfberry special fertilizer is as follows: 76.3 kg wolfberry branch biocha...
Embodiment 2
[0029] The water-retaining biochar based fertilizer in this embodiment is a special biochar based fertilizer for corn, and its preparation method is as follows:
[0030] Preparation of wolfberry branches biochar: Naturally air-dried wolfberry branches to make their moisture content less than 10% (weight mass fraction), trim them to a length of about 5 cm, and use a large-scale biochar carbonization furnace to pyrolyze under nitrogen. After 3 hours, airtight anaerobic cooling to room temperature in a cooling tank to produce wolfberry branch biochar.
[0031] Crushing and sieving of raw materials: crushing wolfberry branch biochar, wolfberry branch and phosphate rock powder, wolfberry branch biochar through 35 mesh sieve, and wolfberry branch and phosphate rock powder through 60 mesh sieve.
[0032] Preparation of fertilizer mixture: The amount of raw materials added to each 100 kg of corn special biochar based fertilizer is as follows: 88.4 kg of wolfberry branch biochar, 3.54 kg of u...
Embodiment 3
[0036] The preparation method of the biochar-based fertilizer of this embodiment is as follows:
[0037] Preparation of wolfberry branches biochar: Naturally air-dried wolfberry branches to make their moisture content less than 10% (weight mass fraction), trim them to a length of about 5 cm, and use a large-scale biochar carbonization furnace to pyrolyze under nitrogen. After 2 hours, airtight anaerobic cooling to room temperature in a cooling tank to produce wolfberry branch biochar.
[0038] Crushing and sieving of raw materials: crushing wolfberry branch biochar, wolfberry branch and phosphate rock powder, wolfberry branch biochar through 35 mesh sieve, and wolfberry branch and phosphate rock powder through 60 mesh sieve.
[0039] Preparation of fertilizer mixture: The amount of raw materials added to each 100 kg of corn special biochar based fertilizer is as follows: 83 kg wolfberry branch biochar, 5.2 kg urea, 2.35 kg phosphate rock powder, 0.8 kg potassium chloride, 0.17 kg zin...
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Abstract
Description
Claims
Application Information
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