CN114128572B - Corn planting method with high SOD content - Google Patents
Corn planting method with high SOD content Download PDFInfo
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- CN114128572B CN114128572B CN202111434933.8A CN202111434933A CN114128572B CN 114128572 B CN114128572 B CN 114128572B CN 202111434933 A CN202111434933 A CN 202111434933A CN 114128572 B CN114128572 B CN 114128572B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
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- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Botany (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
Abstract
The application provides a corn planting method with high SOD content, which comprises the following steps: culturing seedlings in a culture medium; soil preparation and planting; seedling management; management of spike period; management of flowering stage; harvesting after maturation; the corn planting method is changed, and a specific fertilizer is applied in the growth process to stimulate the generation of SOD active enzyme in corn, so that the SOD content in corn fruits is improved.
Description
Technical Field
The application relates to the technical field of crop planting, in particular to a corn planting method with high SOD content.
Background
Superoxide dismutase (Superoxide dismutase, abbreviated as SOD) is a kind of oxidoreductase widely existing in various organisms, is a metalloenzyme capable of eliminating superoxide radical anions in the body, can effectively prevent toxic effects of the superoxide radical anions on the body, is a medicinal enzyme with wide curative effects, is natural enemies of oxygen radicals, is a first killer of the oxygen radicals in the body, the level of the SOD in the organism means visual standard of aging and death, proper intake of the SOD by a human body is very beneficial to the health of the human body, and some health products on the market at present improve the activity of the SOD by adding the SOD extract, but the cost of the SOD extract is high and needs low-temperature storage, so that the price of the health product is high.
Plant species naturally contain a certain amount of SOD active enzyme, so people can take the SOD by eating, but the corn species has a low content of the natural SOD active enzyme, so the corn species has little beneficial effect on human bodies.
Disclosure of Invention
The application aims to provide a corn planting method with high SOD content, aiming at the defects existing in the prior art, and the planting method of corn is changed, and a specific fertilizer is applied in the growth process to stimulate the generation of SOD active enzyme in the corn, so that the SOD content in corn fruits is improved.
In order to solve the technical problems, the application adopts the following technical scheme: the corn planting method with high SOD content is characterized by comprising the following steps:
culturing seedlings in a culture medium: 5 to 8 parts by mass of urea, 5 to 8 parts by mass of sodium molybdate, 3 to 6 parts by mass of manganese sulfate, 3 to 5 parts by mass of amino acid complex copper and 3 to 5 parts by mass of amino acid complex iron are dissolved in 120 to 150 parts by mass of water to prepare a special nutrient solution;
selecting crushed wheat straw, crushed corn straw, loess and special nutrient solution according to the proportion of 2:2:10:1.5, uniformly stirring into clay-like mixed soil, adding part of the mixed soil into a special culture box, compacting to form a bottom culture medium with the thickness of 3cm, uniformly spreading corn seeds on the bottom culture medium, and covering the mixed soil with the thickness of 3cm above the corn seeds to form a soil cover;
after corn seeds are cultured in a culture box for 2 days, taking down a bottom plate at the bottom of the culture box, placing the culture box on a bracket above a water culture box, wherein a special culture solution which is flush with the mouth is arranged in the water culture box, and observing germination and rooting conditions of corn seedlings through a transparent water culture box;
transplanting when the length of the corn root is more than 2cm and the plant height is more than 5 cm;
soil preparation and planting: applying a base fertilizer and transplanting the cultivated corn seedlings into soil;
seedling management: 80-150 parts by mass of water-soluble silicon fertilizer, 40-80 parts by mass of boric acid, 100-150 parts by mass of ammonium phosphate, 20-30 parts by mass of amino acid complex copper, 20-30 parts by mass of amino acid complex zinc, 20-30 parts by mass of amino acid complex iron and 20-30 parts by mass of amino acid complex manganese are dissolved in 1000 parts by mass of water to prepare a foliar fertilizer in a seedling stage, and foliar spraying is carried out on plants in the seedling stage; because the growth of the seedling stage is rapid, but the demand of the plant for nitrogen fertilizer and the like is small, the foliar fertilizer in the seedling stage is directly sprayed on the leaf surface of the plant in the seedling stage, so that the effective absorption of the plant to the fertilizer can be accelerated, the synthesis of SOD, CAT, POD, GSH-Px four enzymes in the growth process of the corn plant can be promoted, and the corn plant is transferred into sorghum grains through biological action, and finally, a sorghum product with high SOD is obtained;
spike period management: firstly, carrying out intertillage, digging out soil with the thickness of 10cm at the upper part of the inner part of the drainage ditch, covering the soil on a field ridge for planting corn, and carrying out irrigation and topdressing on the root part; the nutrient components required by the rapid growth of the corn plants in the ear period can be ensured by applying the irrigation fertilizer to the plant roots, the rapid growth of the corn roots is ensured by digging out the soil in the drainage ditch and covering the soil on the ridge, the generation of aerial roots is benefited, the lodging of the corn is prevented, the soil in the drainage ditch contains the pre-stored base fertilizer, and the nutrient can be further provided for the plants;
and (3) flowering stage management: 80 to 100 parts by mass of urea, 80 to 150 parts by mass of water-soluble silicon fertilizer, 40 to 80 parts by mass of boric acid, 100 to 150 parts by mass of ammonium phosphate, 20 to 30 parts by mass of EDTA complex copper, 20 to 30 parts by mass of EDTA complex zinc, 20 to 30 parts by mass of EDTA complex iron, 20 to 30 parts by mass of EDTA complex manganese, 20 to 30 parts by mass of EDTA complex cobalt and 20 to 30 parts by mass of modified tapioca flour are dissolved in 1000 parts by mass of water to prepare a leaf fertilizer in a mature period, and the leaf fertilizer is uniformly sprayed to corns, leaves, ears and fruits; the flowering stage is a key stage of maize fruit maturation, the root of the maize fruit is hardly grown, so that the root draws nutrition components from soil to be greatly weakened, and at the moment, the maize plant, especially the fruit part, is repeatedly sprayed with foliar fertilizer in the maturation stage, so that the nutrition components, especially essential elements for synthesizing SOD, CAT, POD, GSH-Px four enzymes, can be directly provided for the maize plant, and the SOD content in the maize fruit is improved;
harvesting after maturation.
Optionally, before the step of culturing the seedlings in the culture medium, the seed selection and seed treatment methods comprise the following steps: selecting large-grain type low-stalk corn seeds, exposing the seeds to sun for two days, and soaking the seeds in the prepared soaking solution for at least 24 hours.
Optionally, in the steps of seed selection and seed treatment, the preparation method of the soaking solution comprises the following steps: 10-20 parts by mass of lime powder, 5-8 parts by mass of sodium molybdate, 3-6 parts by mass of manganese sulfate and 6-10 parts by mass of ferrous sulfate are dissolved in 150-300 parts by mass of water and filtered to remove insoluble particles to prepare a soaking solution; the lime powder is adopted to soak the corn seeds so as to promote the germination of the corn seeds, and salts such as sodium molybdate, manganese sulfate, ferrous sulfate and the like are added into the soaking liquid so as to provide necessary nutritional ingredients for the germination of the seeds.
Optionally, in the steps of soil preparation and planting, the soil preparation method comprises the following steps: spreading the biological organic fertilizer on the land at a rate of 100kg per mu, turning over the land at a depth of at least 25cm to uniformly mix the organic fertilizer with the soil, trimming the land into ridges with a height of 10 cm-15 cm, arranging drainage ditches with a width of 15cm between two adjacent ridges, and planting the cultivated corn seedlings on the ridges with a depth of 20 cm.
Optionally, in the steps of soil preparation and planting, the method for applying the base fertilizer comprises the following steps: uniformly stirring 300-400 parts by mass of urea, 100-120 parts by mass of a silicon-calcium-magnesium compound fertilizer, 60-100 parts by mass of chitin, 80-100 parts by mass of modified tapioca flour and 60-80 parts by mass of copper sulfate into a base fertilizer, sprinkling the base fertilizer into a drainage ditch, using 50-60 kg of the base fertilizer per mu of land, adding 15-20 cm thick of covering soil on the surface of the base fertilizer, and compacting; the base fertilizer is pre-buried in the deep of the drainage ditch, so that nutrients can be continuously provided for soil, and rain wash can be prevented.
Optionally, in the spike management step, the cultivation method comprises the following steps: the ridges were turned to a depth of 2cm and the surface weeds were cleaned.
Optionally, in the spike management step, the method for irrigating and fertilizing the root comprises the following steps: 200-350 parts by mass of urea, 100-150 parts by mass of phosphorus-potassium compound fertilizer, 80-150 parts by mass of water-soluble silicon fertilizer, 40-80 parts by mass of boric acid, 20-30 parts by mass of amino acid complex copper, 20-30 parts by mass of amino acid complex zinc, 20-30 parts by mass of amino acid complex iron and 20-30 parts by mass of amino acid complex manganese are dissolved in 1000 parts by mass of water to prepare irrigation fertilizer, irrigation fertilizer is used for irrigating corn roots, and the dosage per mu of land is 500-600 kg; the compound fertilizer adopts various amino acid complex salts as the components of the irrigation fertilizer, can provide various metal salts for crops, provides a material basis for generating SOD in corn, and improves the content of the metal salts as an induction factor for inducing the crops to generate SOD, so that the base fertilizer prepared by the substances can further improve the content of SOD in corn.
Based on the above, the application provides a corn planting method with high SOD content, which is characterized in that the corn planting method is changed, and a specific fertilizer is applied in the growth process to stimulate the generation of SOD active enzyme in corn, so that the SOD content in corn fruits is improved.
Drawings
FIG. 1 is a schematic diagram showing the structure of a culture cassette according to an embodiment of the present application;
FIG. 2 is a diagram showing connection between a culture cassette and a hydroponic tank according to an embodiment of the application.
Reference numerals:
1-a culture cassette; 2-bottom medium; 3-maize seed; 4-soil cover; 5-a bracket; 6-a water planting box; 7-a bottom plate; 8-special culture solution.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. The technical features of the present application may be combined with each other without collision.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
As shown in fig. 1 and 2, the method for planting high SOD corn of the present application comprises the following steps: in some embodiments, the medium grows: 5 parts by mass of urea, 5 parts by mass of sodium molybdate, 3 parts by mass of manganese sulfate, 3 parts by mass of amino acid complex copper and 3 parts by mass of amino acid complex iron are dissolved in 120 parts by mass of water to prepare a special nutrient solution 8; in some embodiments, the medium grows: 8 parts by mass of urea, 8 parts by mass of sodium molybdate, 6 parts by mass of manganese sulfate, 5 parts by mass of amino acid complex copper and 5 parts by mass of amino acid complex iron are dissolved in 150 parts by mass of water to prepare a special nutrient solution 8; in some embodiments, the medium grows: 6 parts by mass of urea, 7 parts by mass of sodium molybdate, 4 parts by mass of manganese sulfate, 4 parts by mass of amino acid complex copper and 4.2 parts by mass of amino acid complex iron are selected and dissolved in 140 parts by mass of water to prepare a special nutrient solution 8; in some embodiments, wheat straw scraps, corn straw scraps, loess and special nutrient solution 8 are selected according to the following ratio of 2:2:10:1.5, uniformly stirring into clay-like mixed soil, adding part of the mixed soil into a special culture box 1, compacting to form a bottom culture medium 2 with the thickness of 3cm, uniformly spreading corn seeds on the bottom culture medium 2, and covering the mixed soil with the thickness of 3cm above the corn seeds to form a soil cover 4; after corn seeds are cultured in the culture box 1 for 2 days, a bottom plate 7 at the bottom of the culture box 1 is taken down, the culture box 1 is placed on a bracket 5 above a water culture box 6, a special culture solution which is flush with the mouth is arranged in the water culture box 6, and germination and rooting conditions of corn seedlings are observed through the transparent water culture box 6; transplanting when the length of the corn root is more than 2cm and the plant height is more than 5 cm; soil preparation and planting: applying a base fertilizer and transplanting the cultivated corn seedlings into soil; in some embodiments, 90 parts by mass of water-soluble silicon fertilizer, 45 parts by mass of boric acid, 123 parts by mass of ammonium phosphate, 21 parts by mass of amino acid complex copper, 25 parts by mass of amino acid complex zinc, 22 parts by mass of amino acid complex iron and 21 parts by mass of amino acid complex manganese are selected for seedling stage management, dissolved in 1000 parts by mass of water to prepare a seedling stage foliar fertilizer, and foliar spraying is carried out on plants in the seedling stage; in some embodiments, 80 parts by mass of water-soluble silicon fertilizer, 40 parts by mass of boric acid, 100 parts by mass of ammonium phosphate, 20 parts by mass of amino acid complex copper, 20 parts by mass of amino acid complex zinc, 20 parts by mass of amino acid complex iron and 20 parts by mass of amino acid complex manganese are selected for seedling stage management, dissolved in 1000 parts by mass of water to prepare a seedling stage foliar fertilizer, and foliar spraying is carried out on plants in the seedling stage; in some embodiments, 150 parts by mass of water-soluble silicon fertilizer, 80 parts by mass of boric acid, 150 parts by mass of ammonium phosphate, 30 parts by mass of amino acid complex copper, 30 parts by mass of amino acid complex zinc, 30 parts by mass of amino acid complex iron and 30 parts by mass of amino acid complex manganese are dissolved in 1000 parts by mass of water to prepare a leaf fertilizer in a seedling stage, and the leaf fertilizer is sprayed on leaves of plants in the seedling stage; because the growth of the seedling stage is rapid, but the demand of the plant for nitrogen fertilizer and the like is small, the foliar fertilizer in the seedling stage is directly sprayed on the leaf surface of the plant in the seedling stage, so that the effective absorption of the plant to the fertilizer can be accelerated, the synthesis of SOD, CAT, POD, GSH-Px four enzymes in the growth process of the corn plant can be promoted, and the corn plant is transferred into sorghum grains through biological action, and finally, a sorghum product with high SOD is obtained; spike period management: firstly, carrying out intertillage, digging out soil with the thickness of 10cm at the upper part of the inner part of the drainage ditch, covering the soil on a field ridge for planting corn, and carrying out irrigation and topdressing on the root part; the nutrient components required by the rapid growth of the corn plants in the ear period can be ensured by applying the irrigation fertilizer to the plant roots, the rapid growth of the corn roots is ensured by digging out the soil in the drainage ditch and covering the soil on the ridge, the generation of aerial roots is benefited, the lodging of the corn is prevented, the soil in the drainage ditch contains the pre-stored base fertilizer, and the nutrient can be further provided for the plants; in some embodiments, 80 parts by mass of urea, 80 parts by mass of water-soluble silicon fertilizer, 40 parts by mass of boric acid, 100 parts by mass of ammonium phosphate, 20 parts by mass of EDTA complex copper, 20 parts by mass of EDTA complex zinc, 20 parts by mass of EDTA complex iron, 20 parts by mass of EDTA complex manganese, 20 parts by mass of EDTA complex cobalt and 20 parts by mass of modified tapioca flour are taken for management in a flowering stage, dissolved in 1000 parts by mass of water, so as to prepare a mature stage foliar fertilizer, and uniformly sprayed to corn stalks, leaves, ears and fruits; in some embodiments, 100 parts by mass of urea, 150 parts by mass of water-soluble silicon fertilizer, 80 parts by mass of boric acid, 150 parts by mass of ammonium phosphate, 30 parts by mass of EDTA complex copper, 30 parts by mass of EDTA complex zinc, 30 parts by mass of EDTA complex iron, 30 parts by mass of EDTA complex manganese, 30 parts by mass of EDTA complex cobalt and 30 parts by mass of modified tapioca powder are taken for management in a flowering stage, dissolved in 1000 parts by mass of water, so as to prepare a mature stage foliar fertilizer, and uniformly sprayed to corns, leaves, ears and fruits; in some embodiments, 95 parts by mass of urea, 86 parts by mass of water-soluble silicon fertilizer, 50 parts by mass of boric acid, 130 parts by mass of ammonium phosphate, 25 parts by mass of EDTA complex copper, 23 parts by mass of EDTA complex zinc, 24 parts by mass of EDTA complex iron, 26 parts by mass of EDTA complex manganese, 28 parts by mass of EDTA complex cobalt and 27 parts by mass of modified tapioca flour are taken for management in a flowering stage, dissolved in 1000 parts by mass of water, so as to prepare a mature stage foliar fertilizer, and uniformly sprayed to corns, leaves, ears and fruits; the flowering stage is a key stage of maize fruit maturation, the root of the maize fruit is hardly grown, so that the root draws nutrition components from soil to be greatly weakened, and at the moment, the maize plant, especially the fruit part, is repeatedly sprayed with foliar fertilizer in the maturation stage, so that the nutrition components, especially essential elements for synthesizing SOD, CAT, POD, GSH-Px four enzymes, can be directly provided for the maize plant, and the SOD content in the maize fruit is improved; harvesting after maturation.
In some embodiments, prior to the medium seeding step, the methods of seed selection and seed treatment are: selecting large-grain type low-stalk corn seeds, exposing the seeds to sun for two days, and soaking the seeds in the prepared soaking solution for at least 24 hours.
In some embodiments, in the steps of seed selection and seed treatment, the method for preparing the soaking solution comprises the following steps: 10 parts by mass of lime powder, 5 parts by mass of sodium molybdate, 3 parts by mass of manganese sulfate and 6 parts by mass of ferrous sulfate are dissolved in 150 parts by mass of water, and insoluble particles are filtered to prepare a soaking solution; in some embodiments, in the steps of seed selection and seed treatment, the method for preparing the soaking solution comprises the following steps: dissolving 20 parts by mass of lime powder, 8 parts by mass of sodium molybdate, 6 parts by mass of manganese sulfate and 10 parts by mass of sulfurous acid in 300 parts by mass of water, and filtering to remove insoluble particles to prepare a soaking solution; in some embodiments, in the steps of seed selection and seed treatment, the method for preparing the soaking solution comprises the following steps: 11 parts by mass of lime powder, 6 parts by mass of sodium molybdate, 5 parts by mass of manganese sulfate and 8 parts by mass of ferrous sulfate are dissolved in 250 parts by mass of water, and insoluble particles are filtered to prepare a soaking solution; the lime powder is adopted to soak the corn seeds so as to promote the germination of the corn seeds, and salts such as sodium molybdate, manganese sulfate, ferrous sulfate and the like are added into the soaking liquid so as to provide necessary nutritional ingredients for the germination of the seeds.
In some embodiments, in the soil preparation and planting steps, the method of soil preparation is: spreading the biological organic fertilizer on the land at a rate of 100kg per mu, turning over the land at a depth of at least 25cm to uniformly mix the organic fertilizer with the soil, trimming the land into ridges with a height of 10 cm-15 cm, arranging drainage ditches with a width of 15cm between two adjacent ridges, and planting the cultivated corn seedlings on the ridges with a depth of 20 cm.
In some embodiments, in the soil preparation and planting steps, the method of applying the base fertilizer is: mixing 300 parts by mass of urea, 100 parts by mass of a silicon-calcium-magnesium compound fertilizer, 60 parts by mass of chitin, 80 parts by mass of modified tapioca powder and 60 parts by mass of copper sulfate with solid particles uniformly to form a base fertilizer, sprinkling the base fertilizer into a drainage ditch, using 50kg of the base fertilizer per mu of land, adding 15cm thick of covering soil on the surface of the base fertilizer, and compacting; in some embodiments, in the soil preparation and planting steps, the method of applying the base fertilizer is: uniformly stirring 400 parts by mass of urea, 120 parts by mass of a silicon-calcium-magnesium compound fertilizer, 100 parts by mass of chitin, 100 parts by mass of modified tapioca powder and 80 parts by mass of copper sulfate into a base fertilizer, sprinkling the base fertilizer into a drainage ditch, using 60kg of the base fertilizer per mu of land, and adding 20cm thick of covering soil on the surface of the base fertilizer and compacting; in some embodiments, in the soil preparation and planting steps, the method of applying the base fertilizer is: uniformly stirring 350 parts by mass of urea, 110 parts by mass of a silicon-calcium-magnesium compound fertilizer, 80 parts by mass of chitin, 85 parts by mass of modified tapioca powder and 75 parts by mass of copper sulfate into a base fertilizer, sprinkling the base fertilizer into a drainage ditch, using 52kg of the base fertilizer per mu of land, adding 18cm thick of covering soil on the surface of the base fertilizer, and compacting; the base fertilizer is pre-buried in the deep of the drainage ditch, so that nutrients can be continuously provided for soil, and rain wash can be prevented.
In some embodiments, in the spike management step, the method of intertillage is: the ridges were turned to a depth of 2cm and the surface weeds were cleaned.
In some embodiments, in the spike management step, the method of watering and fertilizing the roots comprises: 200 parts by weight of urea, 100 parts by weight of a phosphorus-potassium compound fertilizer, 80 parts by weight of a water-soluble silicon fertilizer, 40 parts by weight of boric acid, 20 parts by weight of amino acid complex copper, 20 parts by weight of amino acid complex zinc, 20 parts by weight of amino acid complex iron and 20 parts by weight of amino acid complex manganese are dissolved in 1000 parts by weight of water to prepare a watering fertilizer, and the roots of corn are irrigated with the watering fertilizer, wherein the dosage per mu of land is 600kg; in some embodiments, in the spike management step, the method of watering and fertilizing the roots comprises: taking 350 parts by mass of urea, 150 parts by mass of a phosphorus-potassium compound fertilizer, 150 parts by mass of a water-soluble silicon fertilizer, 80 parts by mass of boric acid, 30 parts by mass of amino acid complex copper, 30 parts by mass of amino acid complex zinc, 30 parts by mass of amino acid complex iron and 30 parts by mass of amino acid complex manganese, dissolving in 1000 parts by mass of water to prepare a watering fertilizer, watering the roots of corn by using the watering fertilizer, wherein the dosage of each mu of land is 500kg; in some embodiments, in the spike management step, the method of watering and fertilizing the roots comprises: 320 parts by mass of urea, 110 parts by mass of a phosphorus-potassium compound fertilizer, 98 parts by mass of a water-soluble silicon fertilizer, 60 parts by mass of boric acid, 25 parts by mass of amino acid complex copper, 26 parts by mass of amino acid complex zinc, 27 parts by mass of amino acid complex iron and 28 parts by mass of amino acid complex manganese are dissolved in 1000 parts by mass of water to prepare a watering fertilizer, and the roots of corn are irrigated with the watering fertilizer, wherein the dosage of each mu of land is 550kg; the compound fertilizer adopts various amino acid complex salts as the components of the irrigation fertilizer, can provide various metal salts for crops, provides a material basis for generating SOD in corn, and improves the content of the metal salts as an induction factor for inducing the crops to generate SOD, so that the base fertilizer prepared by the substances can further improve the content of SOD in corn.
Based on the above, the application provides a corn planting method with high SOD content, which is characterized in that the corn planting method is changed, and a specific fertilizer is applied in the growth process to stimulate the generation of SOD active enzyme in corn, so that the SOD content in corn fruits is improved.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (3)
1. The corn planting method with high SOD content is characterized by comprising the following steps:
culturing seedlings in a culture medium: 5 to 8 parts by mass of urea, 5 to 8 parts by mass of sodium molybdate, 3 to 6 parts by mass of manganese sulfate, 3 to 5 parts by mass of amino acid complex copper and 3 to 5 parts by mass of amino acid complex iron are dissolved in 120 to 150 parts by mass of water to prepare a special nutrient solution;
selecting crushed wheat straw, crushed corn straw, loess and special nutrient solution according to the proportion of 2:2:10:1.5, uniformly stirring into clay-like mixed soil, adding part of the mixed soil into a special culture box, compacting to form a bottom culture medium with the thickness of 3cm, uniformly spreading corn seeds on the bottom culture medium, and covering the mixed soil with the thickness of 3cm above the corn seeds to form a soil cover;
after corn seeds are cultured in a culture box for 2 days, taking down a bottom plate at the bottom of the culture box, placing the culture box on a bracket above a water culture box, wherein a special culture solution which is flush with the mouth is arranged in the water culture box, and observing germination and rooting conditions of corn seedlings through a transparent water culture box;
transplanting when the length of the corn root is more than 2cm and the plant height is more than 5 cm;
soil preparation and planting: applying a base fertilizer and transplanting the cultivated corn seedlings into soil;
seedling management: 80-150 parts by mass of water-soluble silicon fertilizer, 40-80 parts by mass of boric acid, 100-150 parts by mass of ammonium phosphate, 20-30 parts by mass of amino acid complex copper, 20-30 parts by mass of amino acid complex zinc, 20-30 parts by mass of amino acid complex iron and 20-30 parts by mass of amino acid complex manganese are dissolved in 1000 parts by mass of water to prepare a foliar fertilizer in a seedling stage, and foliar spraying is carried out on plants in the seedling stage;
spike period management: firstly, carrying out intertillage, digging out soil with the thickness of 10cm at the upper part of the inner part of the drainage ditch, covering the soil on a field ridge for planting corn, and carrying out irrigation and topdressing on the root part;
in the spike period management step, the method for irrigating and fertilizing the root comprises the following steps: 200-350 parts by mass of urea, 100-150 parts by mass of phosphorus-potassium compound fertilizer, 80-150 parts by mass of water-soluble silicon fertilizer, 40-80 parts by mass of boric acid, 20-30 parts by mass of amino acid complex copper, 20-30 parts by mass of amino acid complex zinc, 20-30 parts by mass of amino acid complex iron and 20-30 parts by mass of amino acid complex manganese are dissolved in 1000 parts by mass of water to prepare irrigation fertilizer, irrigation fertilizer is used for irrigating corn roots, and the dosage per mu of land is 500-600 kg;
and (3) flowering stage management: 80 to 100 parts by mass of urea, 80 to 150 parts by mass of water-soluble silicon fertilizer, 40 to 80 parts by mass of boric acid, 100 to 150 parts by mass of ammonium phosphate, 20 to 30 parts by mass of EDTA complex copper, 20 to 30 parts by mass of EDTA complex zinc, 20 to 30 parts by mass of EDTA complex iron, 20 to 30 parts by mass of EDTA complex manganese, 20 to 30 parts by mass of EDTA complex cobalt and 20 to 30 parts by mass of modified tapioca flour are dissolved in 1000 parts by mass of water to prepare a leaf fertilizer in a mature period, and the leaf fertilizer is uniformly sprayed to corns, leaves, ears and fruits;
harvesting after maturation;
before the culture medium seedling raising step, the seed selection and seed treatment method comprises the following steps: selecting large-grain type low-stalk corn seeds, exposing the seeds to the sun for two days, and then soaking the seeds in the prepared soaking solution for at least 24 hours;
in the step of seed selection and seed treatment, the preparation method of the soaking solution comprises the following steps: 10-20 parts by mass of lime powder, 5-8 parts by mass of sodium molybdate, 3-6 parts by mass of manganese sulfate and 6-10 parts by mass of ferrous sulfate are dissolved in 150-300 parts by mass of water and filtered to remove insoluble particles to prepare a soaking solution;
in the soil preparation and planting steps, the soil preparation method comprises the following steps: spreading the biological organic fertilizer on the land at a rate of 100kg per mu, turning over the land at a depth of at least 25cm to uniformly mix the organic fertilizer with the soil, trimming the land into ridges with a height of 10 cm-15 cm, arranging drainage ditches with a width of 15cm between two adjacent ridges, and planting the cultivated corn seedlings on the ridges with a depth of 20 cm.
2. The method for planting high SOD content corn according to claim 1, wherein in said soil preparation and planting steps, the method for applying base fertilizer comprises: mixing 300-400 parts by mass of urea, 100-120 parts by mass of silicon-calcium-magnesium compound fertilizer, 60-100 parts by mass of chitin, 80-100 parts by mass of modified tapioca flour and 60-80 parts by mass of copper sulfate into a base fertilizer, sprinkling the base fertilizer into a drainage ditch, using 50-60 kg of base fertilizer per mu of land, and adding 15-20 cm thick of covering soil on the surface of the base fertilizer and compacting.
3. The method for planting high SOD content corn according to claim 1, wherein in said spike management step, the method for cultivating comprises: the ridges were turned to a depth of 2cm and the surface weeds were cleaned.
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