CN114128572A - Planting method of corn with high SOD content - Google Patents
Planting method of corn with high SOD content Download PDFInfo
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- CN114128572A CN114128572A CN202111434933.8A CN202111434933A CN114128572A CN 114128572 A CN114128572 A CN 114128572A CN 202111434933 A CN202111434933 A CN 202111434933A CN 114128572 A CN114128572 A CN 114128572A
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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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Abstract
The invention provides a planting method of corn with high SOD content, which comprises the following steps: culturing seedlings by a culture medium; soil preparation and planting; managing in a seedling stage; ear period management; managing the flowering stage; harvesting after maturation; the planting method of the corn is changed, and the special fertilizer is applied in the growth process to stimulate the production of SOD active enzyme in the corn, so that the SOD content in the corn fruits is improved.
Description
Technical Field
The invention relates to the technical field of crop planting, in particular to a method for planting corn with high SOD content.
Background
Superoxide dismutase (SOD) is a type of oxidoreductase which is widely present in various organisms, is a metal enzyme capable of removing Superoxide radical anions in the organisms, can effectively prevent the toxic action of the Superoxide radical anions on the organisms, is a medicinal enzyme with wide curative effect, is a natural enemy of the Superoxide radical, is a first killer of the Superoxide radical in the organisms, and is an intuitive mark for aging and death due to the level of the SOD in the organisms.
The plant species naturally contain a certain amount of SOD active enzyme, people can take the SOD by eating, but the corn species has little beneficial effect on human bodies because of the lower content of the natural SOD active enzyme.
Disclosure of Invention
The invention aims to provide a method for planting corn with high SOD content aiming at the defects in the prior art, which changes the planting method of the corn and applies specific fertilizer in the growth process to stimulate the production of SOD active enzyme in the corn so as to improve the SOD content in the corn fruits.
In order to solve the technical problems, the invention adopts the following technical scheme: a method for planting corn with high SOD content is characterized by comprising the following steps:
culturing seedlings by using a culture medium: dissolving 5-8 parts by mass of urea, 5-8 parts by mass of sodium molybdate, 3-6 parts by mass of manganese sulfate, 3-5 parts by mass of amino acid complex copper and 3-5 parts by mass of amino acid complex iron in 120-150 parts by mass of water to prepare a special nutrient solution;
selecting crushed wheat straws, crushed corn straws, loess and a special nutrient solution according to the proportion of 2: 2: 10: 1.5, 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 the corn seeds are cultured in the 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 with the height flush with the opening part is arranged in the water culture box, and observing the germination and rooting conditions of the corn seedlings through a transparent water culture box;
transplanting when the length of the corn root exceeds 2cm and the plant height exceeds 5 cm;
land preparation and planting: applying base fertilizer and transplanting the cultivated corn seedlings into soil;
seedling stage management: dissolving 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 in 1000 parts by mass of water to prepare a seedling-stage foliar fertilizer, and carrying out foliar spraying on plants in a seedling stage; because the seedling stage grows rapidly, but the plant is smaller and the demand on nitrogen fertilizer and the like is less, the effective absorption of the plant to the fertilizer can be accelerated by directly spraying the leaf surface of the plant in the seedling stage with the leaf fertilizer in the seedling stage, the synthesis of four enzymes of SOD, CAT, POD and GSH-Px in the growth process of the corn plant can be promoted, and the four enzymes are transferred to sorghum grains through biological action, and finally, the sorghum product with high SOD content is obtained;
ear period management: firstly, intertillage is carried out, soil with the thickness of 10cm at the upper part in the drainage ditch is dug out and covered on a ridge for planting corn, and the root is irrigated and topdressed; the irrigation fertilizer is applied to the roots of the plants, so that the nutrient components required by the rapid growth of the corn plants in the ear stage can be ensured, the soil in the drainage ditch is dug out to cover the ridges of the field, the rapid growth of the roots of the corn is ensured, the generation of aerial roots is facilitated, the corn is prevented from lodging, and the soil in the drainage ditch contains the prestored base fertilizer, so that the nutrients can be further provided for the plants;
and (3) managing the flowering stage: dissolving 80-100 parts by mass of urea, 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 EDTA complex copper, 20-30 parts by mass of EDTA complex zinc, 20-30 parts by mass of EDTA complex iron, 20-30 parts by mass of EDTA complex manganese, 20-30 parts by mass of EDTA complex cobalt and 20-30 parts by mass of modified cassava powder in 1000 parts by mass of water to prepare a leaf fertilizer in a maturation period, and uniformly spraying the leaf fertilizer, the cornstalk leaf fertilizer, the corncob fertilizer and the corncob fertilizer to the cornstalks, leaves, the cornstalks and the fruits; the kernel period is the key period of the mature of the corn fruits, the roots of the corn fruits hardly grow, so that the nutrient components absorbed by the roots from the soil are greatly weakened, and at the moment, the foliar fertilizer in the mature period is repeatedly sprayed to the corn plants, particularly the fruit parts, so that the nutrient substances can be directly provided for the corn plants, particularly necessary elements for synthesizing four enzymes of SOD, CAT, POD and GSH-Px, and the SOD content in the corn fruits is improved;
and (5) harvesting after maturation.
Optionally, before the step of growing seedlings in the culture medium, the method for selecting seeds and treating the seeds comprises the following steps: selecting large-grain and low-stalk corn seeds, insolating for two days, and soaking in the prepared soaking solution for at least 24 h.
Optionally, in the step of selecting seeds and treating seeds, the method for preparing the soak solution comprises the following steps: dissolving 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 in 150-300 parts by mass of water, and filtering to remove insoluble particles to prepare a soaking solution; the corn seeds are soaked by the lime powder to promote germination, and salts such as sodium molybdate, manganese sulfate, ferrous sulfate and the like are added into the soaking solution to provide necessary nutritional ingredients for the germination of the seeds.
Optionally, in the step of land preparation and planting, the land preparation method comprises the following steps: spreading bio-organic fertilizer on the land by 100kg per mu, turning the land by at least 25cm in depth to uniformly mix the organic fertilizer with the soil, trimming the land into ridges 10-15 cm high, arranging drainage ditches 15cm in width between every two adjacent ridges, and planting the cultivated corn seedlings on the ridges, wherein the depth of each drainage ditch is 20 cm.
Optionally, in the steps of soil preparation and planting, the method for applying base fertilizer comprises the following steps: selecting 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 cassava powder and 60-80 parts by mass of copper sulfate, uniformly stirring the solid particles to form a base fertilizer, spraying the base fertilizer into a drainage ditch, covering soil with the thickness of 15-20 cm on the surface of the base fertilizer, and compacting, wherein the base fertilizer is used in an amount of 50-60 kg per mu of land; with base fertilizer pre-buried in escape canal depths, can enough provide the nutrient for soil constantly, can also prevent rain wash.
Optionally, in the step of ear period management, the method of intertillage is as follows: turning the soil of the ridge with the depth of 2cm and cleaning weeds on the surface.
Optionally, in the step of spike-stage management, the method for irrigating and fertilizing the roots comprises: dissolving 200-350 parts by mass of urea, 100-150 parts by mass of a phosphorus-potassium compound fertilizer, 80-150 parts by mass of a 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 in 1000 parts by mass of water to prepare a pouring fertilizer, and pouring the roots of the corns with the pouring fertilizer, wherein the using amount of the pouring fertilizer per mu is 500-600 kg; the base fertilizer prepared by the substances can further improve the SOD content in the corn.
Based on the above, the invention provides a method for planting corn with high SOD content, which is characterized in that the planting method of corn is changed, and a specific fertilizer is applied in the growth process to stimulate the production of SOD active enzymes in the corn, so that the SOD content in the corn fruits is increased.
Drawings
FIG. 1 is a schematic view showing the structure of a culture cassette according to an embodiment of the present invention;
FIG. 2 is a connection diagram of a culture box and a hydroponic tank in the embodiment of the present invention.
Reference numerals:
1-culture box; 2-bottom medium; 3-corn seeds; 4-covering with soil; 5-a bracket; 6-a water culture tank; 7-a bottom plate; 8-specially-made culture solution.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
In the description of the present invention, it is to 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", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The technical features of the present invention may be combined with each other without conflict.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
As shown in figure 1 and figure 2, the method for planting the corn with high SOD content comprises the following steps: in some embodiments, the medium is grown: dissolving 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 in 120 parts by mass of water to prepare a special nutrient solution 8; in some embodiments, the medium is grown: dissolving 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 in 150 parts by mass of water to prepare a special nutrient solution 8; in some embodiments, the medium is grown: dissolving 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 in 140 parts by mass of water to prepare a special nutrient solution 8; in some embodiments, the crushed wheat straw, crushed corn straw, loess and special nutrient solution 8 are mixed according to the weight ratio of 2: 2: 10: 1.5, 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 the corn seeds are cultured in the culture box 1 for 2 days, taking down the bottom plate 7 at the bottom of the culture box 1, placing the culture box 1 on the bracket 5 above the water culture box 6, wherein a special culture solution with the height flush with the opening part is arranged in the water culture box 6, and observing the germination and rooting conditions of the corn seedlings through the transparent water culture box 6; transplanting when the length of the corn root exceeds 2cm and the plant height exceeds 5 cm; land preparation and planting: applying 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 dissolved in 1000 parts by mass of water to prepare a seedling-stage foliar fertilizer, and the foliar fertilizer is sprayed 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 dissolved in 1000 parts by mass of water to prepare a seedling-stage foliar fertilizer, and the foliar fertilizer is sprayed 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 seedling-stage foliar fertilizer, and the foliar fertilizer is sprayed on plants in the seedling stage; because the seedling stage grows rapidly, but the plant is smaller and the demand on nitrogen fertilizer and the like is less, the effective absorption of the plant to the fertilizer can be accelerated by directly spraying the leaf surface of the plant in the seedling stage with the leaf fertilizer in the seedling stage, the synthesis of four enzymes of SOD, CAT, POD and GSH-Px in the growth process of the corn plant can be promoted, and the four enzymes are transferred to sorghum grains through biological action, and finally, the sorghum product with high SOD content is obtained; ear period management: firstly, intertillage is carried out, soil with the thickness of 10cm at the upper part in the drainage ditch is dug out and covered on a ridge for planting corn, and the root is irrigated and topdressed; the irrigation fertilizer is applied to the roots of the plants, so that the nutrient components required by the rapid growth of the corn plants in the ear stage can be ensured, the soil in the drainage ditch is dug out to cover the ridges of the field, the rapid growth of the roots of the corn is ensured, the generation of aerial roots is facilitated, the corn is prevented from lodging, and the soil in the drainage ditch contains the prestored base fertilizer, so that the nutrients 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 dissolved in 1000 parts by mass of water to prepare a leaf fertilizer in a mature period, and the leaf fertilizer is uniformly sprayed on cornstalks, 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 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 on cornstalks, 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 dissolved in 1000 parts by mass of water to prepare a leaf fertilizer in a mature period, and the leaf fertilizer is uniformly sprayed on cornstalks, leaves, ears and fruits; the kernel period is the key period of the mature of the corn fruits, the roots of the corn fruits hardly grow, so that the nutrient components absorbed by the roots from the soil are greatly weakened, and at the moment, the foliar fertilizer in the mature period is repeatedly sprayed to the corn plants, particularly the fruit parts, so that the nutrient substances can be directly provided for the corn plants, particularly necessary elements for synthesizing four enzymes of SOD, CAT, POD and GSH-Px, and the SOD content in the corn fruits is improved; and (5) harvesting after maturation.
In some embodiments, the method for seed selection and seed treatment before the step of growing seedlings in the culture medium comprises: selecting large-grain and low-stalk corn seeds, insolating for two days, and soaking in the prepared soaking solution for at least 24 h.
In some embodiments, in the step of selecting seeds and treating seeds, the method for preparing the soaking solution comprises: dissolving 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 in 150 parts by mass of water, and filtering to remove insoluble particles to prepare a soaking solution; in some embodiments, in the step of selecting seeds and treating seeds, the method for preparing the soaking solution comprises: 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 sulfite in 300 parts by mass of water, and filtering to remove insoluble particles to prepare a soaking solution; in some embodiments, in the step of selecting seeds and treating seeds, the method for preparing the soaking solution comprises: dissolving 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 in 250 parts by mass of water, and filtering to remove insoluble particles to prepare a soaking solution; the corn seeds are soaked by the lime powder to promote germination, and salts such as sodium molybdate, manganese sulfate, ferrous sulfate and the like are added into the soaking solution to provide necessary nutritional ingredients for the germination of the seeds.
In some embodiments, in the step of preparing soil and planting, the method for preparing soil is as follows: spreading bio-organic fertilizer on the land by 100kg per mu, turning the land by at least 25cm in depth to uniformly mix the organic fertilizer with the soil, trimming the land into ridges 10-15 cm high, arranging drainage ditches 15cm in width between every two adjacent ridges, and planting the cultivated corn seedlings on the ridges, wherein the depth of each drainage ditch is 20 cm.
In some embodiments, in the soil preparation and planting step, the method for applying base fertilizer comprises the following steps: uniformly 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 cassava powder and 60 parts by mass of copper sulfate into a base fertilizer, spraying the base fertilizer into a drainage ditch, covering soil with the thickness of 15cm on the surface of the base fertilizer, and compacting, wherein the base fertilizer is 50kg in base fertilizer dosage per mu; in some embodiments, in the soil preparation and planting step, the method for applying base fertilizer comprises the following steps: selecting solid particles of 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 cassava powder and 80 parts by mass of copper sulfate, uniformly stirring the solid particles into a base fertilizer, spraying the base fertilizer into a drainage ditch, covering soil with the thickness of 20cm on the surface of the base fertilizer, and compacting the base fertilizer, wherein the use amount of the base fertilizer per mu of land is 60 kg; in some embodiments, in the soil preparation and planting step, the method for applying base fertilizer comprises the following steps: uniformly mixing 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 cassava powder and 75 parts by mass of copper sulfate into a base fertilizer, spraying the base fertilizer into a drainage ditch, using 52kg of the base fertilizer per mu of land, covering soil with the thickness of 18cm on the surface of the base fertilizer, and compacting; with base fertilizer pre-buried in escape canal depths, can enough provide the nutrient for soil constantly, can also prevent rain wash.
In some embodiments, in the step of panicle stage management, the method of intertilling is: turning the soil of the ridge with the depth of 2cm and cleaning weeds on the surface.
In some embodiments, in the step of managing the spike stage, the method for irrigating and fertilizing the roots is as follows: dissolving 200 parts by mass of urea, 100 parts by mass of phosphorus-potassium compound fertilizer, 80 parts by mass of water-soluble silicon fertilizer, 40 parts by mass of boric acid, 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 in 1000 parts by mass of water to prepare a pouring fertilizer, and pouring the root of the corn by using the pouring fertilizer, wherein the using amount of the pouring fertilizer per mu is 600 kg; in some embodiments, in the step of managing the spike stage, the method for irrigating and fertilizing the roots is as follows: dissolving 350 parts by mass of urea, 150 parts by mass of phosphorus-potassium compound fertilizer, 150 parts by mass of 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 in 1000 parts by mass of water to prepare a pouring fertilizer, and pouring the root of the corn by using the pouring fertilizer, wherein the using amount of the pouring fertilizer per mu is 500 kg; in some embodiments, in the step of managing the spike stage, the method for irrigating and fertilizing the roots is as follows: dissolving 320 parts by mass of urea, 110 parts by mass of phosphorus-potassium compound fertilizer, 98 parts by mass of 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 in 1000 parts by mass of water to prepare a pouring fertilizer, and pouring the root of the corn by using the pouring fertilizer, wherein the using amount of the pouring fertilizer per mu is 550 kg; the base fertilizer prepared by the substances can further improve the SOD content in the corn.
Based on the above, the invention provides a method for planting corn with high SOD content, which is characterized in that the planting method of corn is changed, and a specific fertilizer is applied in the growth process to stimulate the production of SOD active enzymes in the corn, so that the SOD content in the corn fruits is increased.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (7)
1. A method for planting corn with high SOD content is characterized by comprising the following steps:
culturing seedlings by using a culture medium: dissolving 5-8 parts by mass of urea, 5-8 parts by mass of sodium molybdate, 3-6 parts by mass of manganese sulfate, 3-5 parts by mass of amino acid complex copper and 3-5 parts by mass of amino acid complex iron in 120-150 parts by mass of water to prepare a special nutrient solution;
selecting crushed wheat straws, crushed corn straws, loess and a special nutrient solution according to the proportion of 2: 2: 10: 1.5, 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 the corn seeds are cultured in the 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 with the height flush with the opening part is arranged in the water culture box, and observing the germination and rooting conditions of the corn seedlings through a transparent water culture box;
transplanting when the length of the corn root exceeds 2cm and the plant height exceeds 5 cm;
land preparation and planting: applying base fertilizer and transplanting the cultivated corn seedlings into soil;
seedling stage management: dissolving 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 in 1000 parts by mass of water to prepare a seedling-stage foliar fertilizer, and carrying out foliar spraying on plants in a seedling stage;
ear period management: firstly, intertillage is carried out, soil with the thickness of 10cm at the upper part in the drainage ditch is dug out and covered on a ridge for planting corn, and the root is irrigated and topdressed;
and (3) managing the flowering stage: dissolving 80-100 parts by mass of urea, 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 EDTA complex copper, 20-30 parts by mass of EDTA complex zinc, 20-30 parts by mass of EDTA complex iron, 20-30 parts by mass of EDTA complex manganese, 20-30 parts by mass of EDTA complex cobalt and 20-30 parts by mass of modified cassava powder in 1000 parts by mass of water to prepare a leaf fertilizer in a maturation period, and uniformly spraying the leaf fertilizer, the cornstalk leaf fertilizer, the corncob fertilizer and the corncob fertilizer to the cornstalks, leaves, the cornstalks and the fruits;
and (5) harvesting after maturation.
2. The method for planting corn with high SOD content as claimed in claim 1, wherein the seed selection and seed treatment method before the culture medium seedling raising step is as follows: selecting large-grain and low-stalk corn seeds, insolating for two days, and soaking in the prepared soaking solution for at least 24 h.
3. The method for planting corn with high SOD content as claimed in claim 2, wherein the soaking solution is prepared by the steps of seed selection and seed treatment: dissolving 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 in 150-300 parts by mass of water, and filtering to remove insoluble particles to prepare a soaking solution.
4. The planting method of corn with high SOD content as claimed in claim 1, wherein in the step of preparing soil and planting, the method of preparing soil is as follows: spreading bio-organic fertilizer on the land by 100kg per mu, turning the land by at least 25cm in depth to uniformly mix the organic fertilizer with the soil, trimming the land into ridges 10-15 cm high, arranging drainage ditches 15cm in width between every two adjacent ridges, and planting the cultivated corn seedlings on the ridges, wherein the depth of each drainage ditch is 20 cm.
5. The planting method of corn with high SOD content as claimed in claim 4, wherein in the soil preparation and planting step, the method of applying base fertilizer comprises: the method comprises the steps of uniformly mixing 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 cassava powder and 60-80 parts by mass of copper sulfate into a base fertilizer, spraying the base fertilizer into a drainage ditch, using 50-60 kg of the base fertilizer per mu of land, covering soil with the thickness of 15-20 cm on the surface of the base fertilizer, and compacting.
6. The planting method of corn with high SOD content as claimed in claim 1, wherein in the step of ear period management, the method of intertillage is: turning the soil of the ridge with the depth of 2cm and cleaning weeds on the surface.
7. The method for planting corn with high SOD content as claimed in claim 1, wherein in the step of spike-stage management, the method for irrigating and fertilizing the roots comprises: 200-350 parts by mass of urea, 100-150 parts by mass of a phosphorus-potassium compound fertilizer, 80-150 parts by mass of a 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 a casting fertilizer, the root of corn is cast by using the casting fertilizer, and the using amount of the casting fertilizer per mu is 500-600 kg.
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