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Selenium, zinc and calcium rich sweet potato cultivation method

A cultivation method and technology of calcium-enriched sweet potato are applied in fertilization methods, botanical equipment and methods, gardening and other directions to achieve the effects of improving nutrition and health care value, enhancing human immunity, and strong anti-oxidation

Inactive Publication Date: 2014-03-26
GUANGXI GUILIN NATURAL FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Sweet potato is a high-yield and stable crop. It has the characteristics of wide adaptability, strong stress resistance, drought and barren resistance, and less pests and diseases. According to the search on the Internet, the current research on sweet potato cultivation technology is mainly focused on high-yield cultivation. For There are still few reports on further improving the research on other nutritional and health components in sweet potatoes

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A cultivation method for selenium-enriched, zinc-enriched, and calcium-enriched sweet potatoes, comprising the following main steps:

[0019] 1. When planting, soak the sweet potato stems or tubers for 3 hours with selenium Fengbao dilution solution with a concentration of 15000 times;

[0020] 2. When plowing and plowing the land, apply quicklime at an amount of 100kg per mu;

[0021] 3. When planting, apply basal fertilizer in planting holes, and mix agricultural selenium fertilizer and zinc sulfate into the basal fertilizer. The ratio of materials used is: base fertilizer: agricultural selenium fertilizer: zinc sulfate=1000︰1︰5;

[0022] 4. Apply topdressing fertilizer: use 20g of agricultural selenium fertilizer per mu, mix water and drench the roots; use it 2-3 times during the growth period;

[0023] 5. Apply foliar fertilizer, use 12,000 times selenium Fengbao dilution, 0.4% zinc sulfate dilution and 0.8% calcium nitrate, respectively in the seedling stage, vigo...

Embodiment 2

[0026] A cultivation method for selenium-enriched, zinc-enriched, and calcium-enriched sweet potatoes, comprising the following main steps:

[0027] 1. When planting, soak the sweet potato stems or tubers with a sodium selenite dilution solution with a concentration of 15,000 times for 3 hours;

[0028] 2. When plowing and plowing the land, apply quicklime at an amount of 100kg per mu;

[0029] 3. When planting, apply basal fertilizer in planting holes, and mix agricultural selenium fertilizer and zinc sulfate into the basal fertilizer. The ratio of materials used is: base fertilizer: agricultural selenium fertilizer: zinc sulfate=1000︰1︰5;

[0030] 4. Apply topdressing fertilizer: use 20g of agricultural selenium fertilizer per mu, mix water and drench the roots; use it 2-3 times during the growth period;

[0031] 5. Apply foliar fertilizer, use 12000 times sodium selenite dilution, 0.5% zinc sulfate dilution and 0.8% calcium nitrate, respectively in the seedling stage, vig...

Embodiment 3

[0033] A cultivation method for selenium-enriched, zinc-enriched, and calcium-enriched sweet potatoes, comprising the following main steps:

[0034] 1. When planting, soak the sweet potato stems or tubers for 3 hours with a selenium-rich amino acid dilution solution with a concentration of 15,000 times;

[0035] 2. When plowing and plowing the land, apply quicklime at an amount of 100kg per mu;

[0036] 3. When planting, apply basal fertilizer in planting holes, and mix agricultural selenium fertilizer and zinc sulfate into the basal fertilizer. The ratio of materials used is: base fertilizer: agricultural selenium fertilizer: zinc sulfate=1000︰1︰5;

[0037] 4. Apply topdressing fertilizer: use 20g of agricultural selenium fertilizer per mu, mix water and drench the roots; use it 2-3 times during the growth period;

[0038] 5. Apply foliar fertilizer, use 12,000 times selenium-rich amino acid dilution, 0.5% zinc sulfate dilution and 0.8% calcium carbonate, respectively in the...

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PUM

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Abstract

The invention discloses a selenium, zinc and calcium rich sweet potato cultivation method including the steps of (1), soaking stems or root tubers by selenium fertilizer diluent for two to four hours, planting or culturing seedlings after taking the stems or root tubers out of the selenium fertilizer diluent to dry the same, and applying 25-150kg of quick lime per mu according to the state of pH value of soil; (2), mixing selenium fertilizer and zinc fertilizer into base fertilizer during fertilizer applying; (3), mixing 10-50 g of selenium fertilizer per mu with water to water the roots and then applying topdressing; (4), spraying selenium fertilizer diluent, zinc fertilizer diluent and calcium fertilizer diluent to leaf surfaces of sweet potato during the growth period by two to six times. By the selenium, zinc and calcium rich sweet potato cultivation method, selenium, zinc and calcium contents of sweet potato are increased further, nutritive value and health value of sweet potato are enriched, and physical health of people eating the sweet potato can be improved.

Description

technical field [0001] The invention relates to sweet potato cultivation, in particular to a cultivation method for selenium-rich, zinc-rich and calcium-rich sweet potatoes in the southern acidic red soil region. Background technique [0002] Sweet potato is a high-yield and stable crop. It has the characteristics of wide adaptability, strong stress resistance, drought and barren resistance, and less pests and diseases. According to the search on the Internet, the current research on sweet potato cultivation technology is mainly focused on high-yield cultivation. For There are still few reports on further improving the research on other nutritional and health components in sweet potatoes. Contents of the invention [0003] The purpose of the present invention is to provide a cultivation method of selenium-rich, zinc-rich and calcium-rich sweet potatoes in the acidic red soil area of ​​southern China, so as to further improve the nutritional and health care value of sweet p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C21/00
Inventor 张金华唐国荣张敏张艳
Owner GUANGXI GUILIN NATURAL FOOD
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