Method for utilizing organic selenium fertilizer to produce milk vetch tender sprouts rich in selenium

A technology of organic selenium fertilizer and milk vetch, applied in botany equipment and methods, applications, gardening, etc., can solve the problems of low daily selenium intake and few selenium-enriched foods, and achieve strong selenium enrichment ability and effective Stable and reliable, simple method effect

Inactive Publication Date: 2010-11-24
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The object of the present invention is to propose a method that is simple, low in cost, high in selenium content, safe, effective, and beneficial in view of the problems of large area, few selenium-...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Select the milk vetch variety of Ningbo Daqiao species produced by Fenghua Seed Company, sow, grow, and survive the winter on October 3 of that year with a seed amount of 30 kg / ha after the rice harvest;

[0022] (2) The preparation of organic selenium foliage fertilizer: the organic selenium fertilizer of 4.06 kilograms per hectare and water are mixed into foliage fertilizer by weight 1: 500 ratio, for subsequent use;

[0023] (3) Spraying of organic selenium foliar fertilizer: in the next year, after the milk vetch enters the greening stage, 15 days before the first flowering, spray half of the total amount of the organic selenium foliar fertilizer in step (2) on the milk vetch plant On the leaves; after every 7 days, the other half of the foliage fertilizer is sprayed on the leaves of the milk vetch plants;

[0024] (4) Gathering of milk vetch sprouts: 7 days after the organic selenium foliar fertilizer was sprayed for the second time, harvest the tender parts 12...

Embodiment 2

[0028] In this example, the preparation of step (2) organic selenium foliar fertilizer: the total consumption of organic selenium fertilizer is 5.40 kg / ha; step (3) spraying of organic selenium foliar fertilizer: the first spraying period is purple 18 days before the first flowering of the vetch, and after an interval of 8 days, the second foliar fertilizer was sprayed; step (4) harvesting of milk vetch tender sprouts: after the organic selenium foliar fertilizer was sprayed for the second time After 8 days, its output was 1350kg / mu; after sampling and determination, the selenium content in the dried milk vetch sample was 1.38mg / kg; Reached the standard of effectiveness and safety. All the other steps, technology are the same as embodiment 1.

Embodiment 3

[0030] In this example, the preparation of step (2) organic selenium foliar fertilizer: the total consumption of organic selenium fertilizer is 6.75 kg / ha; step (3) spraying of organic selenium foliar fertilizer: the first spraying period is purple 21 days before the first flowering of vetch, and spray the second foliar fertilizer after 9 days; step (4) harvesting of milk vetch tender sprouts: after the second organic selenium foliar fertilizer spraying In 9 days, its output was 1400kg / mu; after determination, the selenium content in its milk vetch dry sample was 2.11mg / kg; after conversion, the selenium content in its young sprouts fresh sample was: 200.5μg / kg, reaching Effective and safe standard. All the other steps, technology are the same as embodiment 1.

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Abstract

The invention discloses a method for utilizing organic selenium fertilizer to produce milk vetch tender sprouts rich in selenium, belonging to the technical field of developing vegetables and foods rich in selenium. The method is as follows: taking organic selenium fertilizer with the total use amount of 4.06-8.10 kg/hectare to blend with water according to weight proportion of 1:500 to prepare foliage fertilizer; spraying the foliage fertilizer on the foliages of astragalus smicus plants for twice, which are respectively performed 15-25 days before initial flower of milk vetch at turn green stage and 7-10 days after the first spraying; and harvesting the milk vetch tender sprouts 7-10 days after the secondary spraying. In the method, the selected organic selenium fertilizer is safe and has low cost and convenient use; the content of selenium in the produced tender sprouts can be stabilized between 115. 9-223.3 mu g/kg, and the acceptable daily intake of selenium for human body can be increased if the milk vetch tender sprouts are eaten as vegetables, thereby promoting human body health. The method is suitable for being popularized and applied in low-selenium areas.

Description

technical field [0001] The invention relates to the technical field of vegetable production, in particular to a method for producing selenium-enriched milk vetch tender sprouts by utilizing organic selenium fertilizer. Background technique [0002] Selenium is an essential trace element for human beings. Medical research has confirmed that long-term insufficient selenium intake of human beings can easily lead to various diseases. The selenium content in the soil is affected by factors such as geology, topography, and climate, and the distribution is extremely uneven. More than 40 countries in the world have selenium deficiency in varying degrees. The Chinese Academy of Agricultural Sciences investigated all areas of my country except Taiwan Province in 1980, and confirmed that except for the small high-selenium areas in Shaanxi, Hubei, Sichuan, Guizhou, Hunan and other provinces, 72% of the areas were selenium-deficient Regions, including Jiangsu, Zhejiang, Shanghai and othe...

Claims

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Application Information

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IPC IPC(8): A01G1/00C05D9/02
Inventor 王建红曹凯张贤符建荣俞巧刚叶静
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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