CN115413546A - Selenium-rich sweet potato planting method - Google Patents
Selenium-rich sweet potato planting method Download PDFInfo
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- CN115413546A CN115413546A CN202211127263.XA CN202211127263A CN115413546A CN 115413546 A CN115413546 A CN 115413546A CN 202211127263 A CN202211127263 A CN 202211127263A CN 115413546 A CN115413546 A CN 115413546A
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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
- A01G22/25—Root crops, e.g. potatoes, yams, beet or wasabi
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Abstract
The invention provides a selenium-rich sweet potato planting method, and relates to the technical field of agricultural planting. The selenium-rich sweet potato planting method specifically comprises the following steps: A. selecting seeds and selecting land, B, growing seedlings and treating potato seedlings, and C, deeply ploughing and transplanting. The selenium content in the selenium-rich sweet potatoes is effectively improved by supplementing selenium with nutrient solution, the selenium content of the planted selenium-rich sweet potatoes is effectively improved, 400 times of carbendazim solution or 600 times of thiophanate solution is used for soaking seedlings to promote the after-ripening of the selenium-rich sweet potatoes, the activity of enzyme is effectively improved, and a certain sterilization effect is achieved.
Description
Technical Field
The invention relates to the technical field of agricultural planting, in particular to a selenium-rich sweet potato planting method.
Background
Selenium can improve the immunity of the human body, promote the proliferation of lymphocytes and the synthesis of antibodies and immune globulin, and the selenium-rich sweet potatoes are different from common sweet potatoes, are hundreds of times higher than the common sweet potatoes due to rich trace elements contained in the selenium-rich sweet potatoes and are widely called as the selenium-rich sweet potatoes by people.
In the traditional planting method, a 45-degree oblique insertion method is adopted when people plant sweet potatoes so as to achieve the effect of higher yield, seedlings are not sterilized and the activity of root system enzymes is not improved before transplanting, so that the death rate of the seedlings is increased in the growth process, the sweet potatoes need photosynthesis due to expansion, the root systems of the sweet potatoes can accelerate aging in the later growth period, the synthesis of organic matters is influenced, and the yield is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a selenium-rich sweet potato planting method, which solves the problems that the death rate of seedlings is increased in the growth process because seedlings are not sterilized and the activity of root system enzymes is not improved before transplanting, and the growth of sweet potatoes needs photosynthesis, and the root system of the sweet potatoes is aged quickly in the later growth period, so that the synthesis of organic matters is influenced, and the yield is reduced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a selenium-rich sweet potato planting method specifically comprises the following steps:
A. seed and land selection
The selenium-rich sweet potato seeds with excellent quality and strong resistance are selected, the soil is selected from a soil land with deep soil layer, loose structure, high organic matter content and good drainage and ventilation, and the porosity of the soil can meet the requirement of the potato block expansion on oxygen;
B. seedling and potato seedling treatment
Adopting a greenhouse to grow seedlings of the selected selenium-rich sweet potato seeds, selecting a seedbed to grow seedlings, cutting the seedlings 1-2 days before transplanting when the seedlings are 30cm high, and soaking 6-10cm of the base of the seedlings for 15 minutes by using 400 times of carbendazim solution or 600 times of thiophanate solution for later use;
C. deep ploughing and transplanting
Selecting a land mass for deep ploughing for more than 25cm, carrying out rotary tillage again before transplanting, applying fully decomposed farmyard manure and ternary compound fertilizer as base fertilizers, transversely burying seedlings into soil by using a U-shaped seedling transplanting method after seedling soaking, and improving the yield by 30% on the basis of oblique transplanting;
D. checking and supplementing seedlings
After transplanting for one week, checking seedlings, and timely supplementing seedlings to ensure consistent growth of the seedlings and avoid the phenomenon of large-seedling deception and young-seedling;
E. weeding and primary topdressing
After transplanting for two weeks, checking the soil compaction degree and the weed growth condition, spraying 12.5 percent sethoxydim emulsifiable concentrate with water for weeding, and after transplanting for one month, applying a compound fertilizer, wherein 15 kilograms of low-nitrogen, high-phosphorus and potassium fertilizers are added with boron and zinc fertilizers per mu;
F. selenium supplement of nutrient solution
After transplanting for one month, 6-8g of sodium nitrite containing 44.7% of selenium is mixed with less water, 20-30kg of clear water is added, 300-350kg of clear water is sprayed per mu after full mixing, and selenium supplementing spraying is realized for 2-3 times 20 days before harvesting;
G. fertilizer supplement
When the potato bearing period is started, applying cake fertilizer, potassium sulfate and urea in a ratio of 2.5 to 1 per mu, pouring the mixture into water or applying the fertilizer on rainy days, wherein the fertilizer is applied twice every two weeks, and the mixture is provided with micro-fertilizer at the later growth stage, and is sprayed with monopotassium phosphate once every two weeks.
Preferably, the vines are periodically turned over from two weeks after transplanting to 30 days before harvesting, the potato vines on the left side are turned over to the right side when the vines are turned over, the potato vines on the right side are turned over to the left side, and adventitious roots on the potato vines are damaged, so that main root nutrition concentration is guaranteed, and expansion of potato blocks is facilitated.
Preferably, a proper amount of plant ash is added into the base fertilizer, and the plant ash contains rich potassium.
Preferably, after the potato seedlings are transplanted for 15 days, applying dilute liquid manure or a small amount of urea as seedling raising fertilizers, and when soil cracks, applying 20kg of potassium sulfate fertilizers per mu to promote the potato blocks to expand.
Preferably, 0.3 percent of monopotassium phosphate foliar fertilizer is sprayed every 7 to 10 days before harvesting for 2 to 3 times continuously to slow down root system aging.
Preferably, in the potato bearing period, phosphate fertilizer and calcium fertilizer are additionally applied to the detoxified potato seedlings.
Preferably, the U-shaped seedling transplanting method is characterized in that sweet potato seedlings are transversely buried in soil and are ship-shaped, the bud points are exposed outside, leaves buried in the soil are cut off, only 2-3 leaves are left at the top end of the seedlings, the vigorous growth of plants can be obviously inhibited, the layered stemming of the sweet potatoes is facilitated, and the root tubers of the sweet potatoes are in three-dimensional distribution.
Preferably, high-ridge cultivation is adopted in deep ploughing and transplanting, so that the depth of a soil layer can be increased, and sweet potatoes are prevented from being waterlogged, and are convenient to turn over vines in the later period.
(III) advantageous effects
The invention provides a selenium-rich sweet potato planting method. The method has the following beneficial effects:
1. the invention provides a selenium-rich sweet potato planting method, which effectively improves the selenium content in selenium-rich sweet potatoes by adding nutrient solution for supplementing selenium, effectively improves the selenium content of the planted selenium-rich sweet potatoes, preferably selects the selenium-rich sweet potatoes with excellent quality, ensures the survival rate of the selenium-rich sweet potatoes, and can promote the after-ripening of the selenium-rich sweet potatoes, effectively improve the activity of enzymes and simultaneously have a certain sterilization effect by carrying out seedling raising and seedling soaking on seed potatoes by using 400 times of carbendazim solution or 600 times of thiophanate solution before planting.
2. The invention provides a selenium-rich sweet potato planting method, which is characterized in that sweet potato seedlings are transversely buried in soil in a ship shape by adopting a U-shaped seedling transplanting method, the seedlings with buds are exposed outside, the sweet potato seedlings are cut into leaves with the length of about 30cm, then the leaves buried in the soil are cut off, only the leaves at the top of a plant are left to be exposed out of the ground surface, the strong growth of the plant can be obviously inhibited, the layered potato bearing of the sweet potatoes is facilitated, the root tuber of the sweet potatoes is in three-dimensional distribution, the sweet potatoes are more in bearing and also grow greatly, and the yield of the sweet potatoes is obviously improved.
3. The invention provides a planting method of selenium-rich sweet potatoes, which ensures concentrated nutrition of main roots by periodically turning stems in the early stage, and additionally sprays monopotassium phosphate foliar fertilizer for multiple times before harvesting, thereby slowing down root aging and promoting the yield of the selenium-rich sweet potatoes to be remarkably improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
the embodiment of the invention provides a selenium-rich sweet potato planting method, which specifically comprises the following steps:
A. seed and land selection
The selenium-rich sweet potato seeds with excellent seed quality and strong resistance are selected, soil is selected from soil land with deep soil layer, loose structure, high organic matter content and good drainage and ventilation, and the porosity of the soil can meet the requirement of the expansion of sweet potato blocks on oxygen;
B. seedling raising and potato seedling treatment
Adopting a greenhouse to grow the selected selenium-rich sweet potato seeds, selecting a seedbed to grow the seedlings, starting shearing the seedlings when the height of the seedlings is 30cm 1 day before transplanting, and soaking 6-10cm parts of the bases of the seedlings for 15 minutes by using 600 times of thiophanate for later use;
C. deep ploughing and transplanting
Selecting a land mass for deep ploughing for more than 25cm, carrying out rotary tillage again before transplanting, applying fully decomposed farmyard manure and ternary compound fertilizer as base fertilizers, transversely burying seedlings into soil by using a U-shaped seedling transplanting method after seedling soaking, and improving the yield by 30% on the basis of oblique transplanting;
D. checking and supplementing seedlings
After transplanting for one week, checking seedlings, and timely supplementing seedlings to ensure consistent growth of the seedlings and avoid the phenomenon of large-seedling deception and young-seedling;
E. weeding and primary topdressing
After transplanting for two weeks, checking the soil compaction degree and the weed growth condition, spraying 12.5 percent sethoxydim missible oil mixed with water for weeding, and after transplanting for one month, applying compound fertilizer, wherein 15 kilograms of low-nitrogen, high-phosphorus and potassium fertilizers are added with boron and zinc fertilizers per mu;
F. nutrient solution for supplementing selenium
After transplanting for one month, using 6g of sodium nitrite containing 44.7 percent of selenium, using less water, uniformly mixing, adding 20kg of clear water, fully and uniformly mixing, spraying 300kg of clear water per mu, realizing selenium supplementing spraying for 3 times before harvesting, spraying on the front and back surfaces and stems of the leaves, wherein the spraying amount is based on no water dropping on the surfaces of the leaves, avoiding mixing with alkaline pesticides and fertilizers, and needing to perform additional spraying when encountering rain wash within four hours;
G. fertilizer supplement
When entering a potato bearing period, the ground and underground parts rapidly expand, the nutrition demand is large, in order to reach a growth peak as soon as possible, cake fertilizer, potassium sulfate and urea are applied to each mu in a ratio of 1.5;
after two weeks of transplanting, carrying out periodical vine turning 30d before harvesting, turning the potato vine on the left to the right when turning the vine, turning the potato vine on the right to the left, destroying adventitious roots on the potato vine, ensuring the main root nutrition concentration, being beneficial to the expansion of potato blocks, adding a proper amount of plant ash into base fertilizer, wherein the plant ash contains rich potassium, topdressing dilute liquid manure or a small amount of urea as seedling-lifting fertilizer after 15d of transplanting potato seedlings, and topdressing 20kg of potassium sulfate fertilizer per mu when cracks are generated in soil, so as to promote the expansion of the potato blocks, spraying 0.3% of potassium dihydrogen phosphate foliar fertilizer once every 7 days before harvesting, continuously spraying for 3 times, slowing down root aging, and obviously improving the yield of the selenium-enriched sweet potatoes;
according to the method, the sweet potato seedlings are transversely buried into soil to be ship-shaped, bud points are exposed outside, leaves buried into the soil are cut off, only 3 leaves are left at the top end to be exposed, the vigorous growth of plants can be obviously inhibited, the layered stemming of the sweet potatoes is facilitated, the root tuber of the sweet potatoes can be in three-dimensional distribution, the sweet potatoes are more likely to grow and grow greatly, the yield of the sweet potatoes is remarkably improved, high-ridge cultivation is adopted for deep tillage and transplanting, the soil layer depth can be increased, the waterlogging of the sweet potatoes is prevented, the vines can be conveniently turned over in the later period, the accumulation of organic matters is facilitated, and the improvement of the yield and the quality of the sweet potatoes is facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A selenium-rich sweet potato planting method is characterized by specifically comprising the following steps:
A. seed and land selection
Selecting sweet potato seeds with excellent quality and strong resistance, and selecting soil land with deep soil layer, loose structure, high organic matter content, good drainage and ventilation;
B. seedling raising and potato seedling treatment
Adopting a greenhouse to grow seedlings of the selected sweet potato seeds, selecting a seedbed to grow seedlings, 1-2 days before transplanting, starting cutting the seedlings when the height of the seedlings is 30cm, soaking 6-10cm parts of the bases of the seedlings for 15 minutes by using 400 times of carbendazim solution or 600 times of thiophanate solution for later use;
C. deep ploughing and transplanting
Selecting land blocks, carrying out deep ploughing for more than 25cm, carrying out rotary tillage again before transplanting, applying fully decomposed farmyard manure and ternary compound fertilizer as base fertilizers, and transversely burying seedlings after seedling soaking into soil by using a U-shaped seedling transplanting method;
D. seedling checking and supplementing
After transplanting for one week, checking seedlings, and supplementing the seedlings in time to ensure the consistent growth of the seedlings;
E. weeding and primary topdressing
After transplanting for two weeks, checking the soil compaction degree and the weed growth condition, spraying 12.5 percent sethoxydim emulsifiable concentrate with water for weeding, and after transplanting for one month, applying a compound fertilizer, wherein 15 kilograms of low-nitrogen, high-phosphorus and potassium fertilizers are added with boron and zinc fertilizers per mu;
F. nutrient solution for supplementing selenium
After transplanting for one month, uniformly mixing 6-8g of sodium nitrite containing 44.7% of selenium with less water, adding 20-30kg of clear water, fully and uniformly mixing, spraying 300-350kg per mu, and realizing selenium supplementing spraying for 2-3 times 20 days before harvesting;
G. fertilizer supplement
When the potato bearing period is started, applying cake fertilizer, potassium sulfate and urea in a ratio of 2.5 to 1 per mu, pouring the mixture into water or applying the fertilizer on rainy days, wherein the fertilizer is applied twice every two weeks, and the mixture is provided with micro-fertilizer at the later growth stage, and is sprayed with monopotassium phosphate once every two weeks.
2. The selenium-rich sweet potato planting method according to claim 1, characterized in that: and (3) periodically turning vines after transplanting for two weeks and 30d before harvesting, wherein the vines on the left side are turned to the right side, and the vines on the right side are turned to the left side when turning the vines.
3. The selenium-rich sweet potato planting method according to claim 1, characterized in that: and a proper amount of plant ash is added into the base fertilizer.
4. The selenium-rich sweet potato planting method according to claim 1, characterized in that: and (3) after the potato seedlings are transplanted for 15 days, additionally applying dilute liquid manure or a small amount of urea as seedling-raising fertilizers, and additionally applying 20kg of potassium sulfate fertilizers per mu when cracks are generated in soil.
5. The selenium-rich sweet potato planting method according to claim 1, characterized in that: and before harvesting, spraying 0.3 percent of monopotassium phosphate foliar fertilizer every 7 to 10 days for 2 to 3 times continuously.
6. The selenium-rich sweet potato planting method according to claim 1, characterized in that: in the potato bearing period, phosphate fertilizer and calcium fertilizer are additionally applied aiming at detoxified potato seedlings.
7. The selenium-rich sweet potato planting method according to claim 1, characterized in that: the U-shaped seedling transplanting method is characterized in that sweet potato seedlings are transversely buried in soil and are ship-shaped, the seedlings with buds are exposed outside, leaves buried in the soil are cut off, and only 2-3 leaves are left at the top end of each seedling.
8. The selenium-rich sweet potato planting method according to claim 1, characterized in that: and the deep ploughing and transplanting adopt high-ridge cultivation.
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| CN202211127263.XA CN115413546A (en) | 2022-09-16 | 2022-09-16 | Selenium-rich sweet potato planting method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060031155A (en) * | 2004-10-07 | 2006-04-12 | 하태옥 | Sweet potato with high calcium concentration and cultivation method thereof |
| CN106717900A (en) * | 2016-12-12 | 2017-05-31 | 潘祖贤 | The implantation methods of selenium-enriched sweet potato |
| CN109997640A (en) * | 2019-04-04 | 2019-07-12 | 广西壮族自治区农业科学院 | Selenium-rich sweet potato cultivation technology |
| CN113261486A (en) * | 2021-05-24 | 2021-08-17 | 常德职业技术学院 | Selenium-rich quality-improving cultivation method for sweet potatoes |
-
2022
- 2022-09-16 CN CN202211127263.XA patent/CN115413546A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060031155A (en) * | 2004-10-07 | 2006-04-12 | 하태옥 | Sweet potato with high calcium concentration and cultivation method thereof |
| CN106717900A (en) * | 2016-12-12 | 2017-05-31 | 潘祖贤 | The implantation methods of selenium-enriched sweet potato |
| CN109997640A (en) * | 2019-04-04 | 2019-07-12 | 广西壮族自治区农业科学院 | Selenium-rich sweet potato cultivation technology |
| CN113261486A (en) * | 2021-05-24 | 2021-08-17 | 常德职业技术学院 | Selenium-rich quality-improving cultivation method for sweet potatoes |
Non-Patent Citations (2)
| Title |
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| 勒夫水溶肥: "红薯"倒插苗"栽培产量高，什么是倒插苗？有什么好处？", pages 7 - 8, Retrieved from the Internet <URL:http://m.sohu.com/a/532825746_421189> * |
| 赵正林等: "常德地区紫红薯富硒提质高产栽培技术", 《现代农业科技》, no. 8, pages 1 - 3 * |
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