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Method for cultivating selenium-rich, zinc-rich, calcium-rich purple potatoes

A cultivation method and zinc-enriched technology, applied in fertilization methods, seed and rhizome treatment, fertilization devices, etc., can solve few problems and achieve the effects of improving human health, enhancing human immunity, and promoting human growth and development

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

At present, the research on purple sweet potato cultivation technology mainly focuses on high-yield cultivation, and there are few reports on further improving other nutritional and health-care components in purple sweet potato.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for cultivating purple sweet potatoes rich in selenium, zinc and calcium, comprising the following main steps:

[0019] 1. When planting, soak the purple potato seed stems 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 12000 times selenium Fengbao dilution, 0.3% zinc sulfate dilution and 0.8% calcium nitrate, respectively in the seedling stage of purple sweet potato,...

Embodiment 2

[0026] A method for cultivating purple sweet potatoes rich in selenium, zinc and calcium, comprising the following main steps:

[0027] 1. When planting, soak the purple potato seed stems 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, 0.4% zinc sulfate dilution and 0.8% calcium nitrate, respectively in the seedling stage of purple sweet potato...

Embodiment 3

[0033] A method for cultivating purple sweet potatoes rich in selenium, zinc and calcium, comprising the following main steps:

[0034] 1. When planting, soak purple potato tubers for 3 hours with selenium-rich amino acid dilution solution with a concentration of 15000 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 12000 times selenium-enriched amino acid dilution, 0.5% zinc sulfate dilution and 0.8% calcium carbonate, respectively in the seedling stage of purple...

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PUM

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Abstract

The invention discloses a method for cultivating selenium-rich, zinc-rich, calcium-rich purple potatoes. The method comprises the following steps: soaking tubers in selenium diluents for 2-4 hours, and taking out and draining off the tubers for planting; according to the condition of soil pH, applying 25-150kg of quick lime to soil per mu; during applying a base fertilizer, mixing a selenium fertilizer and a zinc fertilizer in the base fertilizer; then, adding 10-50g of the selenium fertilizer into water to spray roots for topdressing per mu; atomizing selenium fertilizer diluents, zinc fertilizer diluents and calcium fertilizer diluents on leaf surfaces within the growth period of purple potatoes for 2-6 times. The method cultivates the purple potatoes in a selenium-rich, zinc-rich and calcium-rich mode, so that the contents of selenium, zinc and calcium in the purple potatoes are further increased, the nutrition and health care values of the purple potatoes are enriched, and the body health can be improved.

Description

technical field [0001] The invention relates to the cultivation of purple sweet potatoes, in particular to a cultivation method of purple sweet potatoes rich in selenium, zinc and calcium in acidic red soil areas in southern China. Background technique [0002] Purple potato is also called black potato, and the potato flesh is purple to dark purple. In addition to the nutrients of ordinary sweet potatoes, it is also rich in selenium and anthocyanins. At present, the research on purple sweet potato cultivation technology mainly focuses on high-yield cultivation, and there are few reports on further improving other nutritional and health components in purple sweet potato. Contents of the invention [0003] The purpose of the present invention is to provide a method for cultivating purple sweet potatoes rich in selenium, zinc and calcium in acidic red soil areas in southern China, so as to further improve the nutritional and health value of purple sweet potatoes. [0004] T...

Claims

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Application Information

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IPC IPC(8): A01C21/00A01C1/00
Inventor 张金华唐国荣张敏张艳
Owner GUANGXI GUILIN NATURAL FOOD
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