A method for growing rice using magnesium hydrogen-biochar-bioorganic multifunctional material

Abstract

The present invention discloses a method for planting rice using magnesium hydrogen-bio-based carbon-bio-organic multifunctional materials, and relates to the field of rice planting technology. Magnesium hydrogen-bio-based carbon-bio-organic matter is used as raw materials to prepare magnesium hydrogen rice seedling agent, and the magnesium hydrogen rice seedling agent is used for rice seedling-field transplanting or rice field direct seeding in rice planting technology; magnesium hydride is evenly mixed with bio-based carbon fusion and bio-organic matter in a weight ratio of 1:1-1000 to prepare magnesium hydrogen rice seedling agent. This material is introduced into the rice cultivation process, effectively improves the soil, increases soil fertility, and improves the disease and pest resistance of rice plants throughout the rice growth period, ultimately achieving the purpose of improving rice quality, preventing and controlling water pollution, and achieving green, safe, and organic production.

Description

Technical Field

[0001] The present invention relates to the technical field of rice planting, and in particular to a method for planting rice using a multifunctional material of magnesium hydrogen-biochar-bioorganic matter. Background Art

[0002] At present, rice production is facing the environmental problems of soil degradation caused by the extensive use of chemical fertilizers and pesticides, the decline in rice quality, the rising trend of rice production costs, and the serious environmental pollution of water bodies. In the prior art, for example, the invention patent with publication number CN111316873A discloses a biological control organic rice high-yield planting technology. This technical solution mainly adopts (1) non-genetically modified; (2) does not use harmful traditional pesticides, adopts the natural food chain, and eliminates pests in a pollution-free manner; (3) does not use chemical fertilizers, but uses organic fertilizers, mainly fermented animal and human feces. This organic rice planting technology has the following advantages: (1) The use of organic fertilizers effectively protects the soil, keeps the soil fertile, and prevents soil degradation. (2) Eliminates the use of pesticides, effectively protects important beneficial organisms in nature, such as bees, purifies water sources, and fundamentally protects fish. (3) Provides healthy organic food for humans. However, this method cannot fundamentally eliminate the problem of rice quality decline caused by soil degradation.

[0003] In order to effectively improve the soil, increase soil fertility, significantly improve rice quality, and prevent water pollution, new technological breakthroughs are needed in rice cultivation technology. Summary of the Invention

[0004] The purpose of the present invention is to provide a method for growing rice using a multifunctional material of magnesium hydrogen-biochar-bioorganic matter. By using magnesium hydrogen-biochar-bioorganic matter as raw materials, a multifunctional material is manufactured. When introduced into the rice cultivation process, the material effectively improves the soil, increases soil fertility, and enhances the disease and pest resistance of rice plants throughout the entire growth period, ultimately achieving the goals of improving rice quality, preventing and controlling water pollution, and realizing green, safe, and organic production.

[0005] In order to achieve the above-mentioned effect, the present invention adopts the following technical solution: a method for planting rice using a magnesium hydrogen-bio-based charcoal-bio-organic multifunctional material, wherein the magnesium hydrogen-bio-based charcoal-bio-organic matter is used as a raw material to prepare a magnesium hydrogen rice seedling agent, and the magnesium hydrogen rice seedling agent is used in rice seedling cultivation-field transplanting or rice field direct seeding rice planting technology; the magnesium hydrogen rice seedling agent is obtained by the following steps: adding dry bio-based charcoal (the bio-based charcoal is crushed and passed through a 1mm sieve) into a sealed container, blowing magnesium hydride powder into the bio-based charcoal with high-pressure gas, so that the magnesium hydride powder adheres to the surface of the bio-based charcoal and fills the micropores of the bio-based charcoal, and uniformly mixing the magnesium hydride, bio-based charcoal fusion and bio-organic matter in a weight ratio of 1:1-1000 to prepare the magnesium hydrogen rice seedling agent.

[0006] Furthermore, when the magnesium hydrogen rice seedling raising agent is used for rice seedling raising and field transplanting, it specifically includes:

[0007] (a) raising rice seedlings, by raising seedlings in a raising bed, wherein the raising bed comprises, from top to bottom, a dry soil layer, a layer of germinated rice seeds, a covering mat of a magnesium hydrogen rice seedling agent, a bottom dry soil layer, and a soil layer at the bottom of the raising bed;

[0008] A rice seedling agent covering mat made of magnesium hydride-biochar-biological organic matter is spread on the bottom dry soil layer. 1 to 10 layers of magnesium hydride rice seedling agent covering mat are evenly spread per square meter. The mat is lightly compacted to ensure that the magnesium hydride rice seedling agent covering mat is in firm contact with the dry soil layer.

[0009] (b) Rice seedling cultivation, field transplanting, and field management

[0010] ① 3-7 days before harrowing the field, apply a soil conditioner made of magnesium hydroxide, biochar, and bio-organic matter at a rate of 0.1-10 tons per mu (applied to the surface layer of 0-20 cm). Transplant the rice seedlings 3-7 days later.

[0011] ② After the rice seedlings turn green, apply tillering fertilizer in the early stage of tillering. Tillering fertilizer is a mixture of 5kg of soil conditioner and 1-5kg of pure nitrogen;

[0012] ③ 1-7 days before the rice heading stage, apply 1-200g / mu of magnesium hydride and 1-10kg of potassium dihydrogen phosphide at the water inlet of the rice field;

[0013] ④ Apply filling fertilizer 1-7 days before the rice filling period. The filling fertilizer is 5kg of soil conditioner plus 1-5kg of pure potassium.

[0014] Furthermore, the magnesium hydrogen rice seedling agent covering mat is obtained by the following steps:

[0015] (1) Select a microporous film, wherein the microporous film is a fibrous film with micropores or a plastic woven film with micropores, the width of the film is 0.5 to 10 meters, the length is 1 to 100 meters, and the thickness is 0.1 to 1 cm;

[0016] (2) preparing a composite layer, spraying an adhesive onto the microporous film, and then spreading a layer of hydrogen magnesium rice seedling agent made of hydrogen magnesium-bio-based carbon-bio-organic matter to obtain a functional layer, wherein the thickness of the functional layer is 0.1-10 cm, and 1-10 layers of functional layers are stacked to prepare a composite layer;

[0017] (3) Surface covering: spray adhesive into another microporous film and buckle it on the composite layer to make the magnesium hydrogen rice seedling agent covering mat.

[0018] Furthermore, the seedling bed is selected from a field ridge with a trapezoidal cross-section that is narrow at the top and wide at the bottom, or a flat ground in a rice field.

[0019] Furthermore, when the magnesium hydrogen rice seedling raising agent is used for direct seeding of rice in the field, it specifically includes:

[0020] ① After harrowing the field, mix 0.8-150kg of germinated rice seeds with 1-100kg of magnesium hydrogen rice seedling agent and spread evenly in 1 mu of rice field;

[0021] ② After rice seedlings emerge, apply tillering fertilizer in the early stage of tillering. Tillering fertilizer is a mixture of 5kg soil conditioner and 1-5kg pure nitrogen;

[0022] ③ 1-7 days before the rice heading stage, apply 1-200g / mu of magnesium hydride and 1-10kg of potassium dihydrogen phosphide at the water inlet of the rice field;

[0023] ④ Apply filling fertilizer 1-7 days before the rice filling period. The filling fertilizer is 5kg of soil conditioner plus 1-5kg of pure potassium.

[0024] The soil conditioner is obtained by the following steps:

[0025] (1) Raw material preparation: magnesium hydroxide, bio-based carbon and bio-organic matter;

[0026] (2) Fusion of raw materials: fusing magnesium hydrogen and bio-based carbon to obtain magnesium hydrogen-bio-based carbon raw materials or fusing bio-based carbon with bio-organic matter and then fusing with magnesium hydrogen to obtain magnesium hydrogen-bio-based carbon-bio-organic matter raw materials;

[0027] (3) aging the raw materials, aging the hydrogen magnesium-bio-based carbon raw material or hydrogen magnesium-bio-based carbon-bio-organic matter obtained in step (2), specifically, blowing the hydrogen magnesium-bio-based carbon raw material or hydrogen magnesium-bio-based carbon-bio-organic matter raw material into the bio-organic matter raw material pile under high pressure;

[0028] (4) Curing to obtain the finished product. The mature raw materials go through the curing stage. When the moisture content of the material is lower than 30%, the product ends the curing stage and enters the product packaging process.

[0029] The method of planting rice using magnesium hydrogen-biochar-bioorganic multifunctional materials according to the present invention has the following beneficial effects:

[0030] This patent introduces hydrogen magnesium functional materials, bio-based carbon, and bio-organic functional materials into the rice cultivation process, effectively improving the soil, increasing soil fertility, and improving the disease and pest resistance of rice plants throughout the entire growth period, ultimately achieving the goal of improving rice quality, preventing water pollution, and realizing green, safe, and organic production. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0032] Figure 1 A schematic diagram of a nursery bed according to the present invention is shown.

[0033] Figure 2 This is a cross-sectional view showing a nursery bed according to the present invention.

[0034] Figure 3 Schematic diagram of the microporous film of the present invention.

[0035] Figure 4 Schematic diagram of the covering mat of the magnesium hydrogen rice seedling agent of the present invention.

[0036] Figure 5 A schematic diagram of equipment for preparing magnesium hydrogen rice seedling agent according to an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0037] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] There are two types of rice cultivation techniques: the first is seedling raising and field transplanting; the second is direct seeding of rice seeds in the field.

[0039] Rice seedling cultivation and field transplanting technology using magnesium hydrogen-biochar-bioorganic multifunctional materials

[0040] 1) Rice seedling cultivation: Figure 1 and Figure 2The diagram in the middle shows a seedling bed and its cross-section. ① The rice seedling bed should be 1-3 meters wide and 5-60 meters long. The surface should be leveled and covered with dry, fine-grained soil (the surface soil must be dry, and the fine-grained soil particles below should be less than 1mm in diameter). ② A "rice seedling cover mat" made of magnesium hydride, biochar, and bio-organic matter should be spread over the dry, fine-grained soil. One to ten layers of this "magnesium hydride rice seedling cover mat" should be evenly applied per square meter. Lightly compact the mat to ensure firm contact between the "magnesium hydride rice seedling cover mat" and the underlying dry, fine-grained soil layer. ③ A layer of dry, fine-grained soil should be evenly applied over the "magnesium hydride rice seedling cover mat" to a thickness of 0.1 to 10 cm. Germinated rice seeds should be sown over this, with a sowing rate of 0.1 to 5 kg per square meter. ④ After sowing the germinated rice seeds, dry, fine-grained soil should be spread over the mat to cover the germinated rice seeds and lightly compact the soil. ⑤ Water the seedbed until the soil beneath the "Magnesium Hydrogen Rice Seedling Agent" is dry. You can also set up a plastic shed.

[0041] The seedling bed can also be on the flat ground in the rice field, according to the method described above.

[0042] 2) Manufacturing of magnesium hydrogen rice seedling agent covering mat: ① Using microporous fibrous film (it can also be a microporous plastic woven film, or other microporous woven films of various materials, Figure 3 ), the width of the film is 0.5 to 10 meters, the length is 1 to 100 meters (can be customized according to the actual length of the seedling bed), and the thickness is 0.1 to 1 cm. ②, spray adhesive on the microporous fibrous film, and then spread a layer of hydrogen magnesium rice seedling agent made of hydrogen magnesium-bio-based carbon-biological organic matter, with a thickness of 0.1-10 cm. Spray adhesive on another microporous fibrous film, buckle it on the hydrogen magnesium rice seedling agent to make a hydrogen magnesium rice seedling agent covering mat. ③ Manufacturing of hydrogen magnesium rice seedling agent covering mat, microporous fibrous film-hydrogen magnesium rice seedling agent-microporous fibrous film-hydrogen magnesium rice seedling agent-microporous fibrous film in the form of overlapping 0-10 times ( Figure 4 express).

[0043] 3) Preparation of magnesium hydride rice seedling agent: Add dry bio-based charcoal (bio-based charcoal is crushed and passed through a 1mm sieve) into a sealed container, and use high-pressure gas to blow magnesium hydride powder into the bio-based charcoal, so that the magnesium hydride powder adheres to the surface of the bio-based charcoal and fills into the micropores of the bio-based charcoal ( Figure 5 shown).

[0044] ① Add a certain amount of biochar to bottle 1 (0.1-1000kg as needed), and add hydrogenated magnesium powder (0.1-100kg) to bottle 2. The ratio of hydrogenated magnesium powder to biochar is 1:1-1:1000. Valves 1-4 are all closed.

[0045] ②Open valve 2 and valve 3, and turn on the pressurizer to increase the pressure to 1-25 atmospheres (atm).

[0046] ③ Negative pressure is generated in bottle 2, and the hydrogenated beauty powder and high-pressure gas in bottle 2 are blown into bottle 1 together, and merged with the bio-based carbon in bottle 1.

[0047] ④ Pour all the hydrogenated beauty powder in bottle 2 into bottle 1, close valve 3 and open valve 4.

[0048] ⑤ The pressurizer continues to pressurize. When a certain pressure is reached, the pressurization is stopped and valve 2 is closed.

[0049] ⑥ After bottle 1 is left for a certain period of time (0.1-10 hours), gradually open valve 3 to reduce the pressure in bottle 1.

[0050] ⑦ Pour out the magnesium hydride and bio-based carbon fusion in bottle 1.

[0051] ⑧ Magnesium hydride is uniformly mixed with bio-based carbon fusion and biological organic matter in a weight ratio of 1:1-1000 to prepare a magnesium hydrogen rice seedling agent.

[0052] 4) Rice seedling cultivation, field transplanting, and field management

[0053] ① 3-7 days before harrowing the field, apply a soil conditioner made of magnesium hydroxide-biochar-bioorganic matter in the field at an application rate of 0.1-10 tons / mu, applied to the 0-20cm surface layer, and transplant rice seedlings 3-7 days later.

[0054] ②After the rice seedlings turn green, apply tillering fertilizer in the early stage of tillering. Tillering fertilizer is a mixed fertilizer made by evenly mixing 5kg of soil conditioner and 1-5kg of pure nitrogen.

[0055] ③ 1-7 days before the rice heading period, apply 1-200g / mu of magnesium hydride and 1-10kg of potassium dihydrogen phosphide at the water inlet of the rice field.

[0056] ④ Apply filling fertilizer 1-7 days before the rice filling period. The filling fertilizer is 5kg of soil conditioner plus 1-5kg of pure potassium.

[0057] 2) Direct seeding and transplanting technology for rice seeds in the field

[0058] ① After harrowing the field, 0.8-150 kg of germinated rice seeds are evenly mixed with 1-100 kg of the magnesium hydrogen rice seedling raising agent in the patent application, and then evenly spread in 1 mu of rice field.

[0059] ②After the rice seedlings emerge, apply tillering fertilizer in the early stage of tillering. Tillering fertilizer is a mixed fertilizer made by evenly mixing 5kg of soil conditioner and 1-5kg of pure nitrogen.

[0060] ③ 1-7 days before the rice heading period, apply 1-200g / mu of magnesium hydride and 1-10kg of potassium dihydrogen phosphide at the water inlet of the rice field.

[0061] ④ Apply filling fertilizer 1-7 days before the rice filling period. The filling fertilizer is 5kg of soil conditioner plus 1-5kg of pure potassium.

[0062] The soil conditioner uses magnesium hydroxide-biochar-biological organic matter as raw materials, and includes the following steps:

[0063] (1) Raw material preparation: magnesium hydroxide, bio-based carbon and bio-organic matter;

[0064] (2) Fusion of raw materials: fusing magnesium hydrogen and bio-based carbon to obtain magnesium hydrogen-bio-based carbon raw materials or fusing bio-based carbon with bio-organic matter and then fusing with magnesium hydrogen to obtain magnesium hydrogen-bio-based carbon-bio-organic matter raw materials;

[0065] (3) aging the raw materials, aging the hydrogen magnesium-bio-based carbon raw material or hydrogen magnesium-bio-based carbon-bio-organic matter obtained in step (2), specifically, blowing the hydrogen magnesium-bio-based carbon raw material or hydrogen magnesium-bio-based carbon-bio-organic matter raw material into the bio-organic matter raw material pile under high pressure;

[0066] (4) Curing to obtain the finished product. The mature raw materials go through the curing stage. When the moisture content of the material is lower than 30%, the product ends the curing stage and enters the product packaging process.

[0067] Furthermore, the raw material fusion step of step (2), wherein magnesium hydrogen and bio-based carbon are fused to obtain magnesium hydrogen-bio-based carbon raw material, specifically comprises the following steps:

[0068] a) placing a certain amount of metallic magnesium powder in bottle 1, wherein the ratio of the weight of the metallic magnesium powder to the pre-produced soil improvement dosage of the present invention is 1:100 to 10000;

[0069] b) blowing hydrogen into bottle 1 at a pressure of 1-30 atmospheres (atm) and a ratio of the amount blown in to the amount of metallic magnesium powder of 1-10000:1;

[0070] c) Under the action of the blowing and pressure of hydrogen, the magnesium powder floats in the entire space of the bottle 1, allowing the blown hydrogen to be fully mixed with the magnesium powder;

[0071] d) allowing the hydrogen gas and magnesium metal powder in bottle 1 to enter bottle 2 together; closing valves 1 and 2 when all the magnesium metal powder has entered bottle 2; adding a certain amount of biochar to bottle 2, wherein the ratio of the volume of the biochar to the volume of the pre-produced soil conditioner of the present invention is 1:50 to 1000;

[0072] e) adding hydrogen gas (at a pressure of 1-30 atmospheres atm) through a pressurizer to allow the bio-based carbon to float completely throughout the entire space of bottle 2. The bio-based carbon particles are divided into three types: 2-1.5 mm, >1.5-0.5 mm, and >0.5 mm in diameter. The ratio of the three types of bio-based carbon is 1:8:1;

[0073] f) The pressure and time of adding hydrogen by the pressurizer are determined according to the degree of adhesion of magnesium metal powder on the surface of bio-based carbon and in the micropores of bio-based carbon, with the adhesion of more than 70% on the surface of bio-based carbon and more than 70% filling in the micropores;

[0074] g) Close valve 3 and let it stand for 0.1 to 10 hours until the biochar is basically settled at the bottom of bottle 2;

[0075] h) Open valve 4 and collect the fine bio-based carbon dust floating in bottle 2 into bottle 3; let it stand for 0.1 to 10 hours, and recover the hydrogen in bottle 3 for reuse; collect the bio-based carbon and hydrogen-magnesium fusion deposited at the bottom of bottle 2 and the bio-based carbon dust and hydrogen-magnesium fusion deposited at the bottom of bottle 3.

[0076] Furthermore, the raw material fusion step of step (2), wherein magnesium hydrogen and bio-based carbon are fused to obtain magnesium hydrogen-bio-based carbon raw material, specifically comprises the following steps:

[0077] a) placing a certain amount of magnesium hydride powder in bottle 1, wherein the ratio of the weight of the magnesium hydride powder to the pre-produced soil improvement dosage of the present invention is 1:100 to 20000;

[0078] b) blowing air into bottle 1 at a pressure of 1-30 atmospheres (atm). The amount of air blown in is controlled by valve 1; the ratio of the amount blown in to the amount of magnesium hydride is 1-10000:1;

[0079] c) The magnesium hydride powder floats in the entire space of the bottle 1 under the action of the blowing of air and pressure, allowing the blown air to be fully mixed with the magnesium hydride powder;

[0080] d) opening valve 2 to allow the magnesium hydride powder in bottle 1 to enter bottle 2; closing valves 1 and 2 when all the magnesium hydride powder has entered bottle 2; adding a certain amount of biochar to bottle 2 in advance, wherein the ratio of the volume of the biochar to the volume of the pre-produced soil conditioner of the present invention is 1:50 to 1000;

[0081] e) Add air (pressure of 1-30 atmospheres atm) using a pressurizer to make the bio-based carbon float completely in the entire space of bottle 2. The bio-based carbon particles have diameters of 2-1.5mm, >1.5-0.5mm, and 0.5mm>, and are divided into three types. The ratio of the three types of bio-based carbon is 1:8:1;

[0082] f) The pressure and time of adding air by the pressurizer are determined according to the degree of magnesium hydride adhesion on the surface of bio-based carbon and in the micropores of bio-based carbon, with more than 70% adhesion on the surface of bio-based carbon and more than 70% filling in the micropores;

[0083] g) Close valve 3 and let it stand for 0.1 to 10 hours until the biochar is basically settled at the bottom of bottle 2;

[0084] h) gradually opening valve 4 to decompress bottle 2; collecting the bio-based carbon and magnesium hydride fusion deposited at the bottom of bottle 2.

[0085] Furthermore, the raw material fusion step of step (2), wherein the bio-based carbon and the bio-organic matter are fused and then fused with magnesium hydrogen to obtain the magnesium hydrogen-bio-based carbon-bio-organic matter raw material, specifically comprises the following steps:

[0086] a) adding a certain amount of bio-based charcoal to bottle 2, wherein the ratio of the volume of the bio-based charcoal to the volume of the pre-produced soil conditioner of the present invention is 1:50-1000; the diameters of the bio-based charcoal particles are 2-1.5 mm, >1.5-0.5 mm, and 0.5 mm>, and the ratio of the three types of bio-based charcoal is 1:8:1;

[0087] b) Close valves 2 and 4; open valve 3 and blow in the bio-organic raw material at a pressure of 1-30 atmospheres atm, with the amount of the bio-organic raw material blown in being 1-1 / 100 of the volume of the bio-based carbon added to bottle 2;

[0088] c) The degree of blowing is determined by the degree of attachment of the biological organic raw materials to the surface of the bio-based carbon and the micropores of the bio-based carbon. 30% to 60% of the surface of the bio-based carbon and 40% to 70% of the micropores can be filled.

[0089] d) Close valve 3 and let bottle 2 stand for a certain period of time (0.1 to 10 hours) to allow the biochar and bio-organic raw materials to settle; then gradually open valve 4 to reduce the pressure in bottle 2;

[0090] e) placing a certain amount of metal magnesium powder in bottle 1, which is determined by the amount of the pre-produced soil conditioner of the present invention, and the ratio of the weight of the metal magnesium powder to the amount of the pre-produced soil conditioner of the present invention is 1:100 to 10000;

[0091] f) Hydrogen is blown into bottle 1 at a pressure of 1-30 atmospheres (atm). The amount of hydrogen blown in is controlled by valve 1. The ratio of the blown-in amount to the amount of magnesium powder is 1-10,000:1. Under the influence of the hydrogen blown in and the pressure, the magnesium powder floats throughout the space of bottle 1, allowing the blown-in hydrogen and magnesium powder to be fully mixed. At this time, valves 2-4 are closed. Operations a)-d) above can be performed simultaneously in bottle 2.

[0092] g) Close valve 4 and open valve 2, so that the hydrogen and metal magnesium powder mixture in bottle 1 enters bottle 2 and merges with the bio-based carbon and bio-organic raw material mixture precipitated in bottle 2 under the action of the pressure difference;

[0093] h) gradually increase the pressure of hydrogen blowing to allow all the magnesium metal powder in bottle 1 to enter bottle 2, so that 70% to 40% of the mixture of hydrogen and metal magnesium powder adheres to the surface of the bio-based carbon, and 60% to 30% of the mixture of hydrogen and metal magnesium powder is filled in the micropores;

[0094] i) Close valves 1 and 2, and leave bottle 2 still for a certain period of time (0.1 to 10 hours); wait until all the substances in bottle 2 have settled; gradually open valve 4 to depressurize bottle 2; recover and reuse the hydrogen in bottle 3; and collect the bio-based carbon-bioorganic raw material-hydrogen magnesium fusion deposited at the bottom of bottle 2.

[0095] Furthermore, the raw material fusion step of step (2), wherein the bio-based carbon and the bio-organic matter are fused and then fused with magnesium hydrogen to obtain the magnesium hydrogen-bio-based carbon-bio-organic matter raw material, specifically comprises the following steps:

[0096] a) adding a certain amount of bio-based charcoal to bottle 1, wherein the ratio of the volume of the bio-based charcoal to the volume of the pre-produced soil conditioner of the present invention is 1:50-1000; the diameters of the bio-based charcoal particles are 2-1.5 mm, >1.5-0.5 mm, and 0.5 mm>, and the ratio of the three types of bio-based charcoal is 1:8:1;

[0097] b) Close valves 2 to 4; open valve 1 and blow in the bio-organic raw material at a pressure of 1 to 30 atmospheres atm, with the amount of the bio-organic raw material blown in being 1 to 1 / 100 of the volume of the bio-based carbon added to bottle 2;

[0098] c) The degree of blowing is determined by the degree of attachment of the biological organic raw materials to the surface of the bio-based carbon and the micropores of the bio-based carbon. 30% to 60% of the bio-based carbon surface is attached and 40% to 70% of the micropores are filled.

[0099] d) Close valve 1 and let bottle 2 stand for a certain period of time (0.1 to 10 hours) to allow the biochar and bio-organic raw materials to settle; then gradually open valve 4 to reduce the pressure in pressure bottle 1;

[0100] e) placing a certain amount of magnesium hydride powder in bottle 2, which is determined by the amount of the pre-produced soil conditioner of the present invention, and the ratio of the weight of magnesium hydride to the amount of the pre-produced soil conditioner of the present invention is 1:100 to 10000;

[0101] f) Blow air into bottle 2 at a pressure of 1-30 atmospheres (atm). The amount of air blown in is controlled by valve 3. The ratio of the amount blown in to the amount of magnesium hydride is 1-10,000:1. Under the influence of the hydrogen blown in and the pressure, the magnesium hydride floats throughout the space of bottle 2, allowing the blown air and magnesium hydride to mix thoroughly. At this time, valves 1, 2, and 4 are in the closed state.

[0102] g) opening valve 2 to allow the magnesium hydride powder in bottle 2 to enter bottle 1 and fuse with the bio-based carbon and bio-organic raw material mixture precipitated in bottle 1 under the action of the pressure difference;

[0103] h) Gradually increase the air blowing pressure until 70% to 40% of the magnesium hydride powder adheres to the surface of the bio-based carbon and 60% to 30% of the magnesium hydride powder is filled in the micropores;

[0104] i) Valve 2, and let bottle 2 stand for a certain time of 0.1 to 10 hours; wait until all the substances in bottle 1 are completely settled; gradually open valve 4 to depressurize bottle 1; collect the bio-based carbon-bioorganic raw material-magnesium hydrogen fusion deposited at the bottom of bottle 1.

[0105] Furthermore, the aging step in step (3) includes:

[0106] 1) A bio-organic raw material storage pool of a certain volume, closed on three sides and open at the front and top, with a volume of at least 1 cubic meter; pipes are installed at the bottom, with 3-30 pipes installed for every 100 cubic meters; the bottom of the pipes are perforated with 2-3mm holes, with the intersection angle between the holes and the bottom being 10-60 degrees; the pipes can also be installed on the walls on both sides; the bio-organic raw material storage area can also be on a concrete floor that is protected from wind and rain;

[0107] 2) A certain amount of bio-organic raw materials is piled up in the material stacking pool, and a high-pressure pump is used to blow the magnesium hydrogen-bio-based carbon raw material or magnesium hydrogen-bio-based carbon-bio-organic raw material into the bio-organic raw material, wherein the ratio of the blown magnesium hydrogen-bio-based carbon raw material or magnesium hydrogen-bio-based carbon-bio-organic raw material to the amount of the bio-organic raw material is 1:1 to 1000;

[0108] 3) The pressure of the high-pressure gas blown in is 1-50 atmospheres;

[0109] 4) When blowing in the material hydrogen magnesium-bio-based carbon raw material or hydrogen magnesium-bio-based carbon-bio-organic matter, do not expose the surface of the bio-organic raw material accumulation, and blow it into the inside of the bio-organic raw material accumulation;

[0110] 5) After the magnesium hydrogen-bio-based carbon raw material or magnesium hydrogen-bio-based carbon-bio-organic matter raw material is completely blown into the bio-organic matter raw material accumulation, the high-pressure pump is turned off;

[0111] 6) After blowing in the hydrogen magnesium-bio-based carbon raw material or hydrogen magnesium-bio-based carbon-biological organic matter, the material is allowed to stand for 1-60 days; after the standing curing period, the deposit is evenly stirred every 7 days, and stirred 2-9 times; after the stirring is completed, the material is allowed to stand for another 1-60 days.

[0112] As is well known to those skilled in the art, in the present invention, ① the hydrogen magnesium material includes magnesium hydride or a mixture of hydrogen and magnesium elements in a certain ratio (volume or weight, the ratio is 1:1-1:10 or 1:1-10:1); ② inorganic carbon refers to a carbon material manufactured by carbonizing agricultural organic waste (straw, branches, livestock and poultry manure, etc.) or inorganic waste (such as waste plastics, etc.); ③ organic waste is agricultural waste such as straw, waste branches and leaves, livestock and poultry manure, etc.

[0113] The embodiments described above are merely preferred examples of the present invention and are not intended to limit the scope of implementation of the present invention. Any modifications, equivalent changes, and improvements made to the above embodiments based on the technical essence of the present invention are still within the scope of protection and disclosure of the technical solution of the present invention.

Claims

1. A method for growing rice using magnesium hydrogen-biochar-bioorganic multifunctional material, characterized by: A magnesium hydrogen rice seedling agent is prepared using the magnesium hydrogen-bio-based charcoal-bio-organic matter as raw materials, and the magnesium hydrogen rice seedling agent is used in rice seedling cultivation-field transplanting or rice direct seeding in the field. The magnesium hydrogen rice seedling agent is obtained by the following steps: adding dry bio-based charcoal into a sealed container, crushing the bio-based charcoal and passing it through a 1mm sieve, blowing magnesium hydride powder into the bio-based charcoal with high-pressure gas to make the magnesium hydride powder adhere to the surface of the bio-based charcoal and fill the micropores of the bio-based charcoal, and uniformly mixing the magnesium hydride, bio-based charcoal fusion and bio-organic matter at a weight ratio of 1:1-1000 to prepare the magnesium hydrogen rice seedling agent.

2. The method for growing rice using magnesium hydrogen-biochar-bioorganic multifunctional material according to claim 1, characterized in that: When the magnesium hydrogen rice seedling raising agent is used for rice seedling raising and field transplanting, it specifically includes: (a) raising rice seedlings, by raising seedlings in a raising bed, wherein the raising bed comprises, from top to bottom, a dry soil layer, a layer of germinated rice seeds, a covering mat of a magnesium hydrogen rice seedling agent, a bottom dry soil layer, and a soil layer at the bottom of the raising bed; A rice seedling agent covering mat made of magnesium hydride-biochar-biological organic matter is spread on the bottom dry soil layer. 1 to 10 layers of magnesium hydride rice seedling agent covering mat are evenly spread per square meter. The mat is lightly compacted to ensure that the magnesium hydride rice seedling agent covering mat is in firm contact with the dry soil layer. (b) Rice seedling cultivation, field transplanting, and field management ① 3-7 days before harrowing the field, apply a soil conditioner made of magnesium hydroxide, biochar, and bio-organic matter in the field at a rate of 0.1-10 tons per mu, applied to the 0-20 cm surface layer, and transplant the rice seedlings 3-7 days later; ②After the rice seedlings turn green, apply tillering fertilizer in the early stage of tillering. Tillering fertilizer is a mixture of 5kg soil conditioner and 1-5kg pure nitrogen; ③ 1-7 days before the rice heading stage, apply 1-200g / mu of magnesium hydride and 1-10kg of potassium dihydrogen phosphide at the water inlet of the rice field; ④ Apply filling fertilizer 1-7 days before the rice filling period. The filling fertilizer is 5kg of soil conditioner plus 1-5kg of pure potassium.

3. The method for growing rice using magnesium hydrogen-biochar-bioorganic multifunctional material according to claim 2, characterized in that: The magnesium hydrogen rice seedling agent covering mat is obtained by the following steps: (1) Select a microporous film, wherein the microporous film is a fibrous film with micropores or a plastic woven film with micropores, the width of the film is 0.5 to 10 meters, the length is 1 to 100 meters, and the thickness is 0.1 to 1 cm; (2) preparing a composite layer, spraying an adhesive onto the microporous film, and then spreading a layer of hydrogen magnesium rice seedling agent made of hydrogen magnesium-bio-based carbon-bio-organic matter to obtain a functional layer, wherein the thickness of the functional layer is 0.1-10 cm, and 1-10 layers of functional layers are stacked to prepare a composite layer; (3) Surface covering: spray adhesive into another microporous film and buckle it on the composite layer to make the magnesium hydrogen rice seedling agent covering mat.

4. The method for growing rice using magnesium hydrogen-biochar-bioorganic multifunctional material according to claim 2, characterized in that: The seedling bed is selected from a field ridge with a trapezoidal cross section that is narrow at the top and wide at the bottom, or a flat ground in a rice field.

5. The method for growing rice using magnesium hydrogen-biochar-bioorganic multifunctional material according to claim 1, characterized in that: When the magnesium hydrogen rice seedling raising agent is used for direct seeding of rice in a field, the method specifically comprises: ① After harrowing the field, mix 0.8-150kg of germinated rice seeds with 1-100kg of magnesium hydrogen rice seedling agent and spread evenly in 1 mu of rice field; ②After rice seedlings emerge, apply tillering fertilizer in the early stage of tillering. Tillering fertilizer is a mixture of 5kg soil conditioner and 1-5kg pure nitrogen; ③ 1-7 days before the rice heading stage, apply 1-200g / mu of magnesium hydride and 1-10kg of potassium dihydrogen phosphide at the water inlet of the rice field; ④ Apply filling fertilizer 1-7 days before the rice filling period. The filling fertilizer is 5kg of soil conditioner plus 1-5kg of pure potassium.

6. A method for growing rice using magnesium hydrogen-biochar-bioorganic multifunctional material according to claim 2 or 5, characterized in that: The soil conditioner is obtained by the following steps: (1) Raw material preparation: magnesium hydroxide, bio-based carbon and bio-organic matter; (2) Fusion of raw materials: fusing magnesium hydrogen and bio-based carbon to obtain magnesium hydrogen-bio-based carbon raw materials or fusing bio-based carbon with bio-organic matter and then fusing with magnesium hydrogen to obtain magnesium hydrogen-bio-based carbon-bio-organic matter raw materials; (3) aging the raw materials, aging the hydrogen magnesium-bio-based carbon raw material or hydrogen magnesium-bio-based carbon-bio-organic matter obtained in step (2), specifically, blowing the hydrogen magnesium-bio-based carbon raw material or hydrogen magnesium-bio-based carbon-bio-organic matter raw material into the bio-organic matter raw material pile under high pressure; (4) Curing to obtain the finished product. The mature raw materials go through the curing stage. When the moisture content of the material is lower than 30%, the product ends the curing stage and enters the product packaging process.

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