CN110313262B - Soil alkalinity improving method - Google Patents
Soil alkalinity improving method Download PDFInfo
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- CN110313262B CN110313262B CN201910672473.9A CN201910672473A CN110313262B CN 110313262 B CN110313262 B CN 110313262B CN 201910672473 A CN201910672473 A CN 201910672473A CN 110313262 B CN110313262 B CN 110313262B
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- rice
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- 239000002689 soil Substances 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000003973 irrigation Methods 0.000 claims abstract description 48
- 230000002262 irrigation Effects 0.000 claims abstract description 48
- 241000209094 Oryza Species 0.000 claims abstract description 36
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 36
- 235000009566 rice Nutrition 0.000 claims abstract description 36
- 150000003839 salts Chemical class 0.000 claims abstract description 33
- 239000003513 alkali Substances 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 11
- 241000110847 Kochia Species 0.000 claims abstract description 6
- 238000003306 harvesting Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 20
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 17
- 239000004800 polyvinyl chloride Substances 0.000 claims description 17
- 239000003337 fertilizer Substances 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 11
- 244000005700 microbiome Species 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 230000006872 improvement Effects 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 5
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 241000589180 Rhizobium Species 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims description 3
- 210000003608 fece Anatomy 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 239000004021 humic acid Substances 0.000 claims description 3
- 239000010871 livestock manure Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 238000009331 sowing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002344 surface layer Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Cultivation Of Plants (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a soil alkalinity improving method, belonging to the technical field of soil pH value adjustment, and the technical scheme is characterized by comprising the following steps: step S1: the method comprises the following steps of burying a pipe, wherein an irrigation pipe is laid below the surface of soil, and a plurality of irrigation holes are formed in the irrigation pipe; step S2, laying a film; laying a waterproof breathable film on the land surface; step S3: collecting salt, irrigating the soil by using an irrigation pipe, and waiting for water in the soil to be evaporated; step S4: removing soil, wherein the thickness of the removed soil is 5-10 cm; step S5: salt washing: irrigating the soil from the upper surface of the soil; step S6: fertilizing, namely fertilizing the soil; step S7: soil preparation: deep ploughing the soil; step S8: planting rice, namely planting alkali-resistant rice on soil; step S9: planting vegetation, namely planting kochia scoparia after rice harvest. The invention has the effect of saving water resources.
Description
Technical Field
The invention relates to the technical field of soil pH value adjustment, in particular to a soil alkalinity improving method.
Background
The saline-alkali soil is a kind of salt accumulation, which means that the normal growth of crops is influenced by the salt contained in the soil, and the area of the saline-alkali soil in China is 9913 ten thousand hectares. The formation of alkaline earth and alkalized soil in China is mostly related to the accumulation of carbonate in soil, so that the alkalization degree is generally high, and plants in serious saline-alkaline earth regions can hardly survive. In order to solve the serious problems of saline-alkali soil in inland areas, the improvement method of the saline-alkali soil is more and more paid attention by people.
At present, the chinese patent publication No. CN108966713A discloses a method for improving saline-alkali soil, comprising the following steps: A. deep ploughing, upturned soil drying and leveling the saline-alkali soil; B. carrying out concealed conduit salt elimination on the leveled saline-alkali soil; C. after laying the concealed pipe, irrigating the saline-alkali soil; D. and applying a soil conditioner to the treated saline-alkali soil. The steps A to D are carried out once a year and are continuously carried out for 1 to 3 years. The novel saline-alkali soil improvement method can reduce the soil salt content of the saline-alkali soil; the soil nutrient is improved, so that the problems of effectively improving the soil salinization, increasing the grain yield, increasing the vegetation coverage area, lightening the deterioration of the ecological environment and the like are solved; the method provided by the invention has strong pertinence and obvious effect, and can be applied in a large scale.
The above prior art solutions have the following drawbacks: the method for washing salt is adopted to reduce the saline-alkali substances in the soil, a large amount of water is consumed, and further the waste of water resources is caused.
Disclosure of Invention
The invention aims to provide a soil alkalinity improving method, which is characterized in that salt is collected firstly, and the salt content in soil is greatly reduced when the soil is subjected to salt washing, so that water used in the salt washing process is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a soil alkalinity improving method comprises the following steps: step S1: burying a pipe, wherein an irrigation pipe is laid at a position 1.5-2.5 meters below the surface of soil, and a plurality of irrigation holes are formed in the irrigation pipe; step S2, laying a film; laying a waterproof breathable film on the land surface; step S3: collecting salt, irrigating the soil by using an irrigation pipe, and waiting for water in the soil to be evaporated; step S4: removing soil, namely removing the soil which is away from the waterproof breathable film, wherein the thickness of the removed soil is 5-10 cm; step S5: salt washing: removing the waterproof breathable film, and irrigating the soil from the upper surface of the soil; step S6: fertilizing, namely fertilizing the soil and using a fertilizer for improvement; step S7: soil preparation: deeply ploughing the soil, wherein the distance between the deep ploughing depth and the irrigation pipe is more than 15 cm; step S8: planting rice, namely planting alkali-resistant rice on soil; step S9: planting vegetation, namely planting kochia scoparia after rice harvest.
By adopting the technical scheme, the irrigation pipe is buried in the soil, then the deeper position of the soil is supplemented with water by irrigation, because the temperature in the soil is increased by laying the film, the water evaporation is increased, the salt in the soil is melted into water and rises to be gathered on the surface layer of the soil, and then the soil with higher salt on the surface layer of the soil is removed; and finally, planting kochia scoparia, protecting the soil, reducing the passage of water and soil, and improving the acidity and alkalinity of the soil by using the vegetation. When the salt is washed, the salt content in the soil is greatly reduced, so that the water used in the salt washing process is reduced.
The invention is further configured to: in step S1, a plurality of cotton ropes are fixedly connected to the inside of the irrigation pipe, and one end of each cotton rope extends out of the irrigation hole and enters the soil.
Through adopting above-mentioned technical scheme, utilize capillary effect to make the intraductal water of irrigation pass through in the cotton thread gets into soil, can not have too much water to get into soil in, reduced the waste of water resource.
The invention is further configured to: in step S2, a polyvinyl chloride film is fixedly connected to the waterproof breathable film, the edge of the polyvinyl chloride film is fixedly connected to the waterproof breathable film, the polyvinyl chloride film is located at the upper end of the waterproof breathable film, and a holding cavity is formed between the polyvinyl chloride film and the waterproof breathable film.
Through adopting above-mentioned technical scheme, in the steam evaporation passes through waterproof ventilated membrane and gets into and hold the cavity, steam contact polyvinyl chloride membrane reliquefaction is stored in holding the cavity in, has further reduced the waste of water resource.
The invention is further configured to: irrigation pipe intercommunication has the cistern, the water pump that irrigation union coupling has, waterproof ventilated membrane is the arc, waterproof ventilated membrane minimum fixedly connected with and the connecting pipe that holds the cavity intercommunication, connecting pipe and cistern intercommunication, the cistern level is less than the height of the minimum of waterproof ventilated membrane.
Through adopting above-mentioned technical scheme, to hold the water in the cavity and carry to the cistern in, utilize the water in the cistern to irrigate soil through the irrigation pipe, realized the cyclic utilization of water, improved the utilization ratio of water.
The invention is further configured to: the accommodating cavity is internally provided with a skeleton net, the skeleton net comprises warp and weft which is vertical to the warp, the warp is attached to the polyvinyl chloride film, and the weft is attached to the waterproof breathable film.
Through adopting above-mentioned technical scheme, utilize the skeleton net to support and hold the cavity, make the water of reliquefying can flow to the least significant end of waterproof ventilated membrane under the water conservancy diversion of weft and warp.
The invention is further configured to: the improved fertilizer comprises 10-22% of humic acid coal head, 10-18% of turfy soil, 10-30% of desulfurized gypsum, 10-30% of organic farmyard manure, 4-12% of rhizobium fertilizer, 4-20% of potassium fulvate and 1-20% of industrial sulfuric acid.
By adopting the technical scheme, the soil is improved by utilizing the fertilizer with acidity, and the alkalinity of the soil is neutralized by utilizing the acidic fertilizer, so that the plants can be further conveniently planted.
The invention is further configured to: in step S8, firstly, irrigating the soil to submerge the soil by 3-4 cm, soaking the soil for 3-5 days, then draining water, and after 15 days, irrigating water again, wherein the height of a water layer is 1-3 cm; soaking the rice seeds with warm water until the rice seeds are opened, sowing the rice seeds after field water is evaporated until the rice seeds are exposed out of a soil layer, and irrigating the rice seeds after the rice seeds are rooted.
By adopting the technical scheme, the soil is more moist, so that the method is more suitable for planting the rice and improves the survival rate of the rice.
The invention is further configured to: alkalophilic microorganisms are cultured in the water irrigated to the soil in step S8.
By adopting the technical scheme, the alkalophilic microorganisms are utilized to inhibit the rising speed of the pH value of water in the rice field, the frequency of replacing the water in the rice is reduced, and the purpose of saving water resources is achieved.
In conclusion, the invention has the following beneficial effects:
firstly, water is supplemented to a deeper position of supplemented soil by irrigation, because the temperature in the soil is increased by laying a film, the water evaporation is increased, the salt in the soil is dissolved into the water and is increased to be gathered on the surface layer of the soil, then the soil with higher salt content on the surface layer of the soil is removed, and the salt content in the soil is greatly reduced when the salt is washed, so that the water used in the salt washing process is reduced;
secondly, the irrigation pipe is communicated with a reservoir, the irrigation pipe is connected with a water pump, the waterproof breathable film is arc-shaped, the lowest point of the waterproof breathable film is fixedly connected with a connecting pipe communicated with the accommodating cavity, the connecting pipe is communicated with the reservoir, the horizontal height of the reservoir is smaller than the height of the lowest point of the waterproof breathable film, water in the accommodating cavity is conveyed into the reservoir, and soil is irrigated by the aid of the water in the reservoir through the irrigation pipe, so that water recycling is achieved, and the utilization rate of the water is improved;
and thirdly, alkalophilic microorganisms are cultured in the rice field, the alkalophilic microorganisms are utilized to inhibit the rising speed of the pH value of the water in the rice field, the frequency of replacing the water in the rice is reduced, and the purpose of saving water resources is achieved.
Detailed Description
Example (b): a soil alkalinity improving method comprises the following steps:
step S1: and (3) burying a pipe, namely excavating a plurality of deep grooves which are arranged in parallel on the land to be improved, wherein the distance between every two adjacent deep grooves is 2 meters. The depth of the deep groove is 2-3 cm, an irrigation pipe is laid at the bottom of the deep groove, and a plurality of irrigation holes are formed in the upper surface of the irrigation pipe along the length direction of the irrigation pipe. The lower lateral wall welding has a plurality of hooks of fixedly connected with in the irrigation pipe, and the quantity of hook is 1/3 of irrigation hole quantity, and the hook is located the vertical below in irrigation hole. Each hook is tied with a plurality of cotton threads, and the length of the cotton threads is 15 cm. One end that the hook was kept away from to a plurality of cotton threads extends from the irrigation hole and gets into in the soil to the one end that the hook was kept away from to the cotton thread is the setting that scatters. Irrigation pipe one end intercommunication has the cistern, and the water pump that irrigation pipe connected has utilizes the water pump to carry the water in with the cistern to the irrigation pipe in, utilizes in capillary effect makes the water in the irrigation pipe pass through the cotton thread and gets into soil. Finally, the deep groove is buried to level the land.
Step S2: laying a film; and (3) laying a film on the land surface, wherein the film is arc-shaped, and two ends of the film in the width direction are bent downwards. The film comprises a waterproof breathable film, a skeleton net and a polyvinyl chloride film. The waterproof breathable film is positioned below the skeleton net, and the polyvinyl chloride film is positioned at the upper end of the skeleton net. The skeleton net comprises warp and weft which are vertical to the warp, the warp and the weft are both 45-degree included angles with the irrigation pipe, the warp is located above the weft, and the warp and the weft are formed by injection molding. Warp and polyvinyl chloride membrane laminating, weft and waterproof ventilated membrane laminating, waterproof ventilated membrane and polyvinyl chloride membrane edge fixed connection to form between messenger's polyvinyl chloride membrane and the waterproof ventilated membrane and hold the cavity. The waterproof ventilated membrane width direction both sides fixedly connected with and hold the connecting pipe of cavity intercommunication, connecting pipe and cistern intercommunication. Because the film is arc, so its width direction's both sides are waterproof ventilated membrane minimum, and the cistern level is less than the height of waterproof ventilated membrane's minimum. In the steam evaporation in the soil passes through waterproof ventilated membrane and gets into and holds the cavity, steam contact polyvinyl chloride membrane liquefaction water again is in the same direction as curved to holding the cavity and flowing to both sides, at last along in the connecting pipe inflow reservoir, will hold the water in the cavity and carry to the reservoir in, utilize the water in the reservoir to irrigate soil through irrigation pipe, realized the cyclic utilization of water, improved the utilization ratio of water.
Step S3: collect salt, start the water pump, utilize the water pump to carry the water in with the cistern to the irrigation pipe in, during water passes through cotton thread entering soil, irrigates soil. Since the film is laid on the soil, the temperature in the soil is high, the water evaporation speed is increased, water below the soil flows upwards under the capillary action, and salt in the soil is dissolved into the water and rises to be gathered on the surface layer of the soil.
Step S4: and removing soil, namely removing the film firstly, and then removing the soil with higher salt content on the surface layer, wherein the thickness of the removed soil is 5-10 cm.
Step S5: and (4) washing salt, and irrigating the soil by using a sprinkling irrigation mode. The soil is kept wet continuously. When the water content is excessive, the water flows into the ground deeper along the gaps in the soil, and simultaneously the water in the soil dissolves the salt in the soil and flows into the deeper position of the ground. When the salt is washed from the soil, the salt content in the soil is greatly reduced, so that the water used in the salt washing process is reduced, and the aim of saving water resources in the soil washing process is fulfilled.
Step S6: and (4) fertilizing, namely fertilizing the soil and using a fertilizer for improvement. The fertilizer for improvement comprises 10-22% of humic acid coal head, 10-18% of turfy soil, 10-30% of desulfurized gypsum, 10-30% of organic farmyard manure, 4-12% of rhizobium fertilizer, 4-20% of potassium fulvate and 1-20% of industrial sulfuric acid, the soil is improved by utilizing the fertilizer with acidity, and the alkalinity of the soil is neutralized by utilizing the acidic fertilizer, so that the plant is further conveniently planted.
Step S7: soil preparation: the deep ploughing is carried out on the soil, the distance between the deep ploughing depth and the irrigation pipe is larger than 15cm, so that the improved fertilizer enters the soil, and the effect of the improved fertilizer is fully exerted.
Step S8: planting rice, irrigating soil to submerge the soil by 3-4 cm, soaking the soil for 3-5 days, draining water, and irrigating water once after 15 days, wherein the height of a water layer is 1-3 cm; the rice seeds are soaked in warm water until the opening is formed, the field water is evaporated until the soil layer is exposed, the rice seeds are sowed, water is irrigated after the rice seeds are rooted, the alkalinity of the soil is improved by using the rice, and the soil can be more fertile. Alkalophilic microorganisms are cultured in water irrigated by soil, the alkalophilic microorganisms are utilized to inhibit the rising speed of the pH value of the water in the rice field, the frequency of replacing the water in the rice is reduced, and the aim of saving water resources is fulfilled.
Step S9: planting vegetation, planting Kochia scoparia after rice harvest, and then irrigating the vegetation by using an irrigation pipe. The survival ability of the Kochia scoparia is strong, and the maintenance cost required after the process can be effectively reduced.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. A soil alkalinity improving method is characterized in that: the method comprises the following steps: step S1: burying a pipe, wherein an irrigation pipe is laid at a position 1.5-2.5 meters below the surface of soil, and a plurality of irrigation holes are formed in the irrigation pipe; step S2, laying a film; laying a waterproof breathable film on the land surface; step S3: collecting salt, irrigating the soil by using an irrigation pipe, and waiting for water in the soil to be evaporated; step S4: removing soil, namely removing the soil which is away from the waterproof breathable film, wherein the thickness of the removed soil is 5-10 cm; step S5: salt washing: removing the waterproof breathable film, and irrigating the soil from the upper surface of the soil; step S6: fertilizing, namely fertilizing the soil and using a fertilizer for improvement; step S7: soil preparation: deeply ploughing the soil, wherein the distance between the deep ploughing depth and the irrigation pipe is more than 15 cm; step S8: planting rice, namely planting alkali-resistant rice on soil; step S9: planting vegetation, namely planting kochia scoparia after rice harvest; in step S1, a plurality of cotton ropes are fixedly connected to the inside of the irrigation pipe, and one end of each cotton rope extends out of the irrigation hole and enters the soil.
2. A soil alkalinity modifying method according to claim 1, wherein: in step S2, a polyvinyl chloride film is fixedly connected to the waterproof breathable film, the edge of the polyvinyl chloride film is fixedly connected to the waterproof breathable film, the polyvinyl chloride film is located at the upper end of the waterproof breathable film, and a holding cavity is formed between the polyvinyl chloride film and the waterproof breathable film.
3. A soil alkalinity modifying method as claimed in claim 2, wherein: irrigation pipe intercommunication has the cistern, irrigation pipe connection has the water pump, waterproof ventilated membrane is the arc, waterproof ventilated membrane minimum fixedly connected with and the connecting pipe that holds the cavity intercommunication, connecting pipe and cistern intercommunication, the cistern level is less than the height of the minimum of waterproof ventilated membrane.
4. A soil alkalinity modifying method according to claim 3, wherein: the accommodating cavity is internally provided with a skeleton net, the skeleton net comprises warp and weft which is vertical to the warp, the warp is attached to the polyvinyl chloride film, and the weft is attached to the waterproof breathable film.
5. A soil alkalinity modifying method according to claim 1, wherein: the improved fertilizer comprises 10-22% of humic acid coal head, 10-18% of turfy soil, 10-30% of desulfurized gypsum, 10-30% of organic farmyard manure, 4-12% of rhizobium fertilizer, 4-20% of potassium fulvate and 1-20% of industrial sulfuric acid.
6. A soil alkalinity modifying method according to claim 1, wherein: in step S8, firstly, irrigating the soil to submerge the soil by 3-4 cm, soaking the soil for 3-5 days, then draining water, and after 15 days, irrigating water again, wherein the height of a water layer is 1-3 cm; soaking the rice seeds with warm water until the rice seeds are opened, sowing the rice seeds after field water is evaporated until the rice seeds are exposed out of a soil layer, and irrigating the rice seeds after the rice seeds are rooted.
7. A soil alkalinity modifying method according to claim 1, wherein: alkalophilic microorganisms are cultured in the water irrigated to the soil in step S8.
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| CN111034561A (en) * | 2019-12-11 | 2020-04-21 | 青岛九天智慧农业集团有限公司 | Seedling raising method for planting rice in saline-alkali soil |
| CN118696642A (en) * | 2024-08-27 | 2024-09-27 | 河海大学 | A rapid desalination improvement method for coastal saline-alkali soil based on macropores |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208286080U (en) * | 2018-05-10 | 2018-12-28 | 杭州中艺生态环境工程有限公司 | For the environmental water-saving irrigation device of park landscape |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3431675A (en) * | 1965-03-10 | 1969-03-11 | David E Moore | Reclaiming saline soils |
| CN2417694Y (en) * | 2000-05-24 | 2001-02-07 | 胡小川 | Day-light multifunction biological greenhouse |
| CN101919331A (en) * | 2009-06-09 | 2010-12-22 | 石河子大学 | Soil improvement technology of ditches and mulching drip irrigation in heavy saline-alkali land |
| CN101946573B (en) * | 2010-08-17 | 2012-05-23 | 北京师范大学 | A method for improving saline-alkali land |
| CN106577077A (en) * | 2016-12-16 | 2017-04-26 | 重庆珞优农业科技有限公司 | Method for planting rice in saline and alkaline land |
| CN108575174A (en) * | 2018-05-29 | 2018-09-28 | 福建农林大学 | A comprehensive treatment method for coastal saline-alkali soil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208286080U (en) * | 2018-05-10 | 2018-12-28 | 杭州中艺生态环境工程有限公司 | For the environmental water-saving irrigation device of park landscape |
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