CN111436341A - Ginseng selenium rice and planting method thereof - Google Patents
Ginseng selenium rice and planting method thereof Download PDFInfo
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- CN111436341A CN111436341A CN202010265848.2A CN202010265848A CN111436341A CN 111436341 A CN111436341 A CN 111436341A CN 202010265848 A CN202010265848 A CN 202010265848A CN 111436341 A CN111436341 A CN 111436341A
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- selenium
- rice
- nutrient solution
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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
- A01G22/22—Rice
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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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
Abstract
The invention relates to a selenium-enriched rice and a planting method thereof, comprising the following steps: applying a ginseng selenium organic fertilizer consisting of a nano selenium SOD nutrient solution, a ginsenoside nutrient solution, trace elements and a microbial inoculum to the cultivated seedlings in a seedling raising period; applying a ginseng selenium organic fertilizer consisting of a nano selenium SOD nutrient solution, a ginsenoside nutrient solution, trace elements and a microbial inoculum to the paddy field in the fertilizing period of the paddy field, and then turning and harrowing the paddy field to uniformly distribute the ginseng selenium organic fertilizer in the soil of the paddy field; and respectively spraying the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution on the leaf surfaces of the rice in the seedling revival stage, the booting stage and the grain filling stage of the rice to enable the leaf surfaces of the rice to absorb the ginseng selenium components, so that the finally obtained rice is rich in the ginseng saponin and the selenium element, and the various demands of the market are met.
Description
Technical Field
The invention belongs to the field of crop planting, and particularly relates to selenium-enriched rice and a planting method thereof.
Background
The rice is a cereal crop of rice, the seeds of the rice are rice, the rice is called brown rice after glume shells of the rice are removed, the brown rice is obtained by grinding rice bran layers of the brown rice, and nearly half of the population in the world takes the rice as staple food.
The general fertilization is divided into three stages, namely a front stage, a middle stage and a rear stage according to the growth process of rice, wherein the front stage refers to the stage from transplantation to tillering termination, namely the vegetative growth stage of the rice, and the aims of promoting effective tillering and striving for multiple ears are taken at the moment; the middle stage refers to the stage that the rice grows and enters the reproductive growth stage (the pollen forming stage), at the moment, strong stalks attack big ears are taken as targets, but the fertilization cannot be excessive; the later period refers to the period from heading to maturity of rice, at which time, the rice is mainly attacked by more grains and saturated grains, and the rice is not fertilized and cannot be greedy and late-maturing.
However, with the continuous diversity of market demands, the existing fertilization technology can not lead the rice to be rich in special trace elements.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides selenium-enriched rice and a planting method thereof. The planting method ensures that the finally obtained rice is rich in ginsenoside and selenium elements, and meets various market demands.
The scheme of the invention is to provide a planting method of selenium-enriched rice, which comprises the following steps:
(1) and (3) seedling raising period: applying a ginseng selenium organic fertilizer consisting of nano selenium SOD nutrient solution, ginsenoside nutrient solution, trace elements and microbial inoculum to the cultivated seedlings;
(2) fertilizing in a rice field: applying organic fertilizer containing nano selenium SOD nutrient solution, ginsenoside nutrient solution, trace elements and microbial inoculum to the paddy field, and then turning and harrowing to uniformly distribute the organic fertilizer in the soil of the paddy field;
(3) and (3) in the seedling revival stage of rice: spraying nanometer selenium SOD nutrient solution and ginsenoside nutrient solution on rice leaf surface to make rice leaf surface absorb ginseng selenium component;
(4) and (3) booting rice: spraying the nanometer selenium SOD nutrient solution and the ginsenoside nutrient solution on the rice leaf surfaces again to enable the rice leaf surfaces to absorb the ginseng selenium components;
(5) grouting stage: spraying the nanometer selenium SOD nutrient solution and the ginsenoside nutrient solution to the leaf surfaces of the rice for the third time.
Preferably, the nano-selenium SOD nutrient solution contains 300-350 mg/L of 20000-30000 u/L of nano-selenium SOD, contains more than or equal to 100 g/L of amino acid, and contains more than or equal to 10% of total ginsenoside.
Preferably, the particle size of the nano selenium is less than or equal to 200 nm.
Preferably, in the step (1), the application amount of the selenium-enriched organic fertilizer is 30-40 kg/mu.
Preferably, in the step (2), the application amount of the selenium-enriched organic fertilizer is 100-110 kg/mu.
Preferably, in the step (1) and the step (2), nitrogen, phosphorus, potassium fertilizer and organic fertilizer are also applied respectively.
Preferably, the weight ratio of the nitrogen fertilizer to the phosphorus fertilizer to the potassium fertilizer is 1: 0.4-0.6: 1.0-1.5.
Preferably, the application amount of the organic fertilizer is 40-50 kg/mu.
Preferably, in the steps (3), (4) and (5), the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution are sprayed in the following modes: mixing the two solutions to prepare 5-7 wt% of mixed nutrient solution, diluting by 30-35 times, and spraying according to 1000-1200 g/mu.
Based on the same technical conception, the invention also provides the selenium-enriched rice planted by the method.
The invention has the beneficial effects that:
according to the planting method of the selenium-enriched rice, the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution are accurately applied in the seedling raising period, the rice field fertilizing period, the rice seedling revival period, the rice booting period and the filling period, so that the finally obtained rice is rich in ginsenoside and selenium elements, and the various market requirements are met.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1
The embodiment provides a planting method of selenium-enriched rice, which comprises the following steps:
(1) selecting nano selenium SOD nutrient solution with the nano selenium particle size of 200nm, the nano selenium content of 300 mg/L of 20000 u/L and the amino acid content of 100 g/L, and forming a ginseng selenium organic fertilizer with ginsenoside nutrient solution with the total ginsenoside content of 10%, trace elements and microbial inoculum, applying the cultivated seedlings according to the dosage of 30 kg/mu, and simultaneously applying nitrogen, phosphorus, potassium fertilizers and organic fertilizers, wherein the application weight ratio of the nitrogen, phosphorus and potassium fertilizers is 1:0.4:1, and the application amount of the organic fertilizers is 40 kg/mu;
(2) fertilizing in a rice field, namely selecting nano selenium SOD nutrient solution with the nano selenium particle size of 200nm, the nano selenium content of 300 mg/L of 20000 u/L and the amino acid content of 100 g/L, and combining the nano selenium SOD nutrient solution with ginsenoside nutrient solution with the total ginsenoside content of 10%, trace elements and microbial inoculum to form a ginseng selenium organic fertilizer, applying nitrogen, phosphorus, potassium fertilizer and organic fertilizer to the rice field according to the using amount of 100 kg/mu, and simultaneously applying the nitrogen, phosphorus and potassium fertilizer in a weight ratio of 1:0.4:1 and the organic fertilizer in an amount of 40 kg/mu, and then turning and harrowing the rice field to uniformly distribute the ginseng selenium organic fertilizer in the soil of the rice field;
(3) and (3) in the seedling revival stage of rice: diluting the mixed solution of 5 wt% of nano-selenium SOD nutrient solution and ginsenoside nutrient solution by 30 times, and spraying the mixed solution to the leaf surfaces of the rice according to 1000 g/mu to ensure that the leaf surfaces of the rice absorb the ginseng selenium component;
(4) and (3) booting rice: diluting the mixed solution of 5 wt% of nano-selenium SOD nutrient solution and ginsenoside nutrient solution by 30 times, and spraying the mixed solution to the leaf surfaces of the rice again according to 1000 g/mu to ensure that the leaf surfaces of the rice absorb the ginseng selenium component;
(5) grouting stage: diluting the mixed solution of 5 wt% nano-selenium SOD nutrient solution and ginsenoside nutrient solution by 30 times, and spraying the mixed solution to the leaf surfaces of the rice for the third time according to 1000 g/mu.
Example 2
The embodiment provides a planting method of selenium-enriched rice, which comprises the following steps:
(1) selecting a nano-selenium SOD nutrient solution with the nano-selenium particle size of 150nm, the nano-selenium content of 350 mg/L of 30000 u/L and the amino acid content of 150 g/L, and forming a ginseng selenium organic fertilizer with a ginsenoside nutrient solution with the total ginsenoside content of 12%, trace elements and a microbial inoculum, applying the cultivated seedlings according to the dosage of 40 kg/mu, and simultaneously applying nitrogen, phosphorus, potassium fertilizers and organic fertilizers, wherein the application weight ratio of the nitrogen, phosphorus and potassium fertilizers is 1:0.6:1.5, and the application amount of the organic fertilizers is 50 kg/mu;
(2) fertilizing in rice field, namely selecting nano selenium SOD nutrient solution with the nano selenium particle size of 150nm, the nano selenium content of 350 mg/L of 30000 u/L and the amino acid content of 150 g/L, and forming a ginseng selenium organic fertilizer with ginsenoside nutrient solution with the total ginsenoside content of 12%, trace elements and microbial inoculum, applying nitrogen, phosphorus, potassium fertilizer and organic fertilizer to the rice field according to the using amount of 110 kg/mu, and simultaneously applying the nitrogen, phosphorus, potassium fertilizer and the organic fertilizer, wherein the applying weight ratio of the nitrogen, phosphorus and potassium fertilizer is 1:0.6:1.5, and the applying amount of the organic fertilizer is 50 kg/mu, and then turning and harrowing are carried out to uniformly distribute the ginseng selenium organic fertilizer in the soil of the rice field;
(3) and (3) in the seedling revival stage of rice: diluting the mixed solution of 7 wt% of nano-selenium SOD nutrient solution and ginsenoside nutrient solution by 35 times, and spraying the mixed solution to the leaf surfaces of the rice according to 1200 g/mu to ensure that the leaf surfaces of the rice absorb the ginseng selenium component;
(4) and (3) booting rice: diluting the mixed solution of 7 wt% of nano-selenium SOD nutrient solution and ginsenoside nutrient solution by 35 times, and spraying the mixed solution to the leaf surfaces of the rice again according to 1200 g/mu to enable the leaf surfaces of the rice to absorb the ginseng selenium component;
(5) grouting stage: diluting the mixed solution of the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution by 35 times, and spraying the mixed solution to the leaf surfaces of the rice for the third time according to 1200 g/mu.
Example 3
The embodiment provides a planting method of selenium-enriched rice, which comprises the following steps:
(1) selecting a nano-selenium SOD nutrient solution with the nano-selenium particle size of 180nm, the nano-selenium content of 320 mg/L of 25000 u/L and the amino acid content of 120 g/L, and forming a ginseng selenium organic fertilizer with a ginsenoside nutrient solution with the total ginsenoside content of 11%, trace elements and a microbial inoculum, applying the cultivated seedlings according to the dosage of 35 kg/mu, and simultaneously applying nitrogen, phosphorus, potassium fertilizers and organic fertilizers, wherein the application weight ratio of the nitrogen, phosphorus and potassium fertilizers is 1:0.5:1.2, and the application amount of the organic fertilizers is 45 kg/mu;
(2) fertilizing in a rice field, namely selecting a nano-selenium SOD nutrient solution with the grain size of 180nm, the nano-selenium content of 320 mg/L of 25000 u/L and the amino acid content of 120 g/L, and a ginsenoside nutrient solution with the total ginsenoside content of 11%, trace elements and a microbial inoculum to form a ginseng-selenium organic fertilizer, applying nitrogen, phosphorus, potassium fertilizers and organic fertilizers to the rice field according to the dosage of 105 kg/mu, and simultaneously applying the nitrogen, phosphorus, potassium fertilizers and the organic fertilizers, wherein the applying weight ratio of the nitrogen, phosphorus and potassium fertilizers is 1:0.5:1.2, and the applying amount of the organic fertilizers is 45 kg/mu, and then turning and harrowing are carried out to uniformly distribute the ginseng-selenium organic fertilizers in the soil of the rice field;
(3) and (3) in the seedling revival stage of rice: diluting the mixed solution of the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution by 32 times, and spraying the mixed solution to the leaf surfaces of the rice according to 1100 g/mu to ensure that the leaf surfaces of the rice absorb the ginseng selenium components;
(4) and (3) booting rice: diluting the mixed solution of the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution by 32 times, and spraying the mixed solution to the leaf surfaces of the rice again according to 1100 g/mu to ensure that the leaf surfaces of the rice absorb the ginseng selenium components;
(5) grouting stage: diluting the mixed solution of the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution by 32 times, and spraying the mixed solution to the leaf surfaces of the rice for the third time according to 1100 g/mu.
Comparative example 1
The comparative example provides a planting method of selenium-enriched rice, which comprises the following steps:
(1) and (3) seedling raising period: the method comprises the following steps of (1) forming an organic fertilizer by using trace elements and microbial inoculum, applying nitrogen, phosphorus, potassium fertilizers and organic fertilizers to cultivated seedlings according to the dosage of 35 kg/mu, wherein the weight ratio of the nitrogen, phosphorus and potassium fertilizers is 1:0.5:1.2, and the application amount of the organic fertilizers is 45 kg/mu;
(2) fertilizing in a rice field: applying nitrogen fertilizer, phosphorus fertilizer, potash fertilizer and organic fertilizer according to the dosage of 105 kg/mu to the paddy field, wherein the weight ratio of the nitrogen fertilizer to the phosphorus fertilizer to the potash fertilizer is 1:0.5:1.2, and the application amount of the organic fertilizer is 45 kg/mu, and then turning and harrowing are carried out to uniformly distribute the selenium-enriched organic fertilizer in the paddy field soil;
(3) in the seedling revival stage of the rice, the grain size of 6 wt% of nano-selenium is 180nm, the nano-selenium content is 320 mg/L content is 25000 u/L, the mixed solution of the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution with the amino acid content of 120 g/L is diluted by 32 times, and the mixed solution is sprayed on the leaf surfaces of the rice according to 1100 g/mu, so that the leaf surfaces of the rice absorb the selenium components;
(4) in the booting stage of the rice, 6 wt% of nano-selenium with the particle size of 180nm, the nano-selenium content of 320 mg/L content of 25000 u/L and the amino acid content of 120 g/L is diluted by 32 times by using mixed liquid of nano-selenium SOD nutrient solution and ginsenoside nutrient solution, and the mixed liquid is sprayed on the leaf surfaces of the rice again according to 1100 g/mu to ensure that the leaf surfaces of the rice absorb selenium components;
(5) and in the grain filling period, diluting the mixed solution of the nano-selenium SOD nutrient solution with the grain size of 180nm, the nano-selenium content of 320 mg/L content of 25000 u/L and the amino acid content of 120 g/L and the ginsenoside nutrient solution by 32 times, and spraying the mixed solution to the leaf surfaces of the rice for the third time according to 1100 g/mu.
The difference between the comparative example 1 and the example 3 is that the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution are not added in the seedling raising period and the rice field fertilizing period.
Comparative example 2
The comparative example provides a planting method of selenium-enriched rice, which comprises the following steps:
(1) selecting a nano-selenium SOD nutrient solution with the nano-selenium particle size of 180nm, the nano-selenium content of 320 mg/L of 25000 u/L and the amino acid content of 120 g/L, and forming a ginseng selenium organic fertilizer with a ginsenoside nutrient solution with the total ginsenoside content of 11%, trace elements and a microbial inoculum, applying the cultivated seedlings according to the dosage of 35 kg/mu, and simultaneously applying nitrogen, phosphorus, potassium fertilizers and organic fertilizers, wherein the application weight ratio of the nitrogen, phosphorus and potassium fertilizers is 1:0.5:1.2, and the application amount of the organic fertilizers is 45 kg/mu;
(2) fertilizing in a rice field, namely selecting a nano-selenium SOD nutrient solution with the grain size of 180nm, the nano-selenium content of 320 mg/L of 25000 u/L and the amino acid content of 120 g/L, and a ginsenoside nutrient solution with the total ginsenoside content of 11%, trace elements and a microbial inoculum to form a ginseng-selenium organic fertilizer, applying nitrogen, phosphorus, potassium fertilizers and organic fertilizers to the rice field according to the dosage of 105 kg/mu, and simultaneously applying the nitrogen, phosphorus, potassium fertilizers and the organic fertilizers, wherein the applying weight ratio of the nitrogen, phosphorus and potassium fertilizers is 1:0.5:1.2, and the applying amount of the organic fertilizers is 45 kg/mu, and then turning and harrowing are carried out to uniformly distribute the ginseng-selenium organic fertilizers in the soil of the rice field;
(3) and (4) performing conventional fertilization in the rice seedling recovering period, the rice booting period and the grouting period.
The comparative example 2 is different from the example 3 in that the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution are not sprayed in the seedling revival stage, the booting stage and the filling stage of the rice.
After the completion of planting, the rice obtained in examples 1 to 3 and comparative examples 1 to 2 was examined for the content of main elements, and the results are shown in table 1.
TABLE 1 content of essential elements
| Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | |
| Ginsenoside/%) | 0.081 | 0.083 | 0.088 | 0.041 | 0.032 |
| Selenium element/mg/kg | 0.065 | 0.068 | 0.074 | 0.013 | 0.024 |
Results and conclusions:
1. according to the detection results, the contents of the ginsenoside and the selenium element in the rice obtained in the embodiment are obviously higher than those in the comparative example, and the fact that the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution are applied during the rice planting period is shown to play a key role in the contents of the ginsenoside and the selenium element in the rice.
2. The monitoring results of the embodiments 1 to 3 show that the ginsenoside and selenium content in the embodiment 3 is the highest, which indicates that the effect is the best when the planting parameters are selected to be intermediate values.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The planting method of the selenium-enriched rice is characterized by comprising the following steps:
(1) and (3) seedling raising period: applying a ginseng selenium organic fertilizer consisting of nano selenium SOD nutrient solution, ginsenoside nutrient solution, trace elements and microbial inoculum to the cultivated seedlings;
(2) fertilizing in a rice field: applying organic fertilizer containing nano selenium SOD nutrient solution, ginsenoside nutrient solution, trace elements and microbial inoculum to the paddy field, and then turning and harrowing to uniformly distribute the organic fertilizer in the soil of the paddy field;
(3) and (3) in the seedling revival stage of rice: spraying nanometer selenium SOD nutrient solution and ginsenoside nutrient solution on rice leaf surface to make rice leaf surface absorb ginseng selenium component;
(4) and (3) booting rice: spraying the nanometer selenium SOD nutrient solution and the ginsenoside nutrient solution on the rice leaf surfaces again to enable the rice leaf surfaces to absorb the ginseng selenium components;
(5) grouting stage: spraying the nanometer selenium SOD nutrient solution and the ginsenoside nutrient solution to the leaf surfaces of the rice for the third time.
2. The planting method of the ginseng selenium rice as claimed in claim 1, wherein the nano selenium SOD nutrient solution contains 300-350 mg/L of 20000-30000 u/L of nano selenium, contains 100 g/L or more of amino acid, and contains 10% or more of total ginsenoside.
3. The planting method of the selenium-enriched rice as claimed in claim 2, wherein the grain size of the nano-selenium is less than or equal to 200 nm.
4. The planting method of the selenium-enriched rice as claimed in claim 1, wherein in the step (1), the application amount of the selenium-enriched organic fertilizer is 30-40 kg/mu.
5. The planting method of the selenium-enriched rice as claimed in claim 1, wherein in the step (2), the application amount of the selenium-enriched organic fertilizer is 100-110 kg/mu.
6. The method for planting selenium-enriched rice as claimed in claim 1, wherein in the step (1) and in the step (2), nitrogen fertilizer, phosphorus fertilizer, potassium fertilizer and organic fertilizer are applied.
7. The planting method of the selenium-enriched rice as claimed in claim 6, wherein the weight ratio of the nitrogen fertilizer to the phosphorus fertilizer to the potassium fertilizer is 1: 0.4-0.6: 1.0-1.5.
8. The planting method of the selenium-enriched rice as claimed in claim 6, wherein the application amount of the organic fertilizer is 40-50 kg/mu.
9. The planting method of the selenium-enriched rice as claimed in claim 1, wherein in the steps (3), (4) and (5), the nano-selenium SOD nutrient solution and the ginsenoside nutrient solution are sprayed in a manner that: mixing the two solutions to prepare 5-7 wt% of mixed nutrient solution, diluting by 30-35 times, and spraying according to 1000-1200 g/mu.
10. The selenium-enriched rice planted by the method of any one of claims 1 to 9.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112898094A (en) * | 2021-02-22 | 2021-06-04 | 吉林新资源食品科技有限公司 | Ginsenoside multi-mineral biological bacterial fertilizer |
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Application publication date: 20200724 |