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Planting method of selenium-enriched alfalfa, and selenium-enriched alfalfa feed additive and preparation method and application thereof

A technology of feed additive and alfalfa, applied in application, animal feed, animal feed, etc., can solve the problems of soil and water pollution, inorganic selenium cannot be absorbed by human body, harmful to human body, etc., and achieve the effect of increasing selenium content

Inactive Publication Date: 2019-08-30
SHAANXI SCI TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, inorganic selenium cannot be absorbed by the human body. If the application amount is too large, it will not only be harmful to the human body, but also cause soil and water pollution.

Method used

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  • Planting method of selenium-enriched alfalfa, and selenium-enriched alfalfa feed additive and preparation method and application thereof
  • Planting method of selenium-enriched alfalfa, and selenium-enriched alfalfa feed additive and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 1. a method for planting selenium-enriched alfalfa, comprising the following steps:

[0019] Cultivate alfalfa according to conventional methods. When alfalfa grows for one year, spray L-selenomethionine solution with a concentration of 10-30mg / kg into the soil, and the spraying amount is 100-300mg / mu of land, every morning 8:00- Spray at 10:00, do not spray on rainy days, the cultivation and management measures of alfalfa during the spraying period are the same as usual, spray for 30 days, and then harvest to obtain selenium-enriched alfalfa.

[0020] 2. a selenium-enriched alfalfa feed additive, is made up of the raw material of following weight portion:

[0021] 80-90 parts of selenium-enriched alfalfa leaves, 60-70 parts of selenium-enriched alfalfa roots, and 70-80 parts of selenium-enriched alfalfa stems. Obtained from the selenium-enriched alfalfa.

[0022] 3. the preparation method of described selenium-enriched alfalfa feed additive, described preparation met...

Embodiment 2

[0024] A method for planting selenium-enriched alfalfa, comprising the following steps:

[0025] Cultivate alfalfa according to the conventional method. When alfalfa grows for one year, spray L-selenomethionine solution with a concentration of 10mg / kg into the soil, and the spraying amount is 100mg / mu, every morning at 8:00-10:00 Spraying, not spraying on rainy days, the cultivation and management measures of alfalfa during the spraying period are the same as the routine, spraying for 30 days, and then harvesting to obtain selenium-enriched alfalfa.

Embodiment 3

[0027] A method for planting selenium-enriched alfalfa, comprising the following steps:

[0028] Cultivate alfalfa according to conventional methods. When alfalfa grows for one year, spray L-selenomethionine solution with a concentration of 30mg / kg into the soil, and the spraying amount is 300mg / mu, and it is carried out at 8:00-10:00 in the morning every day Spraying, not spraying on rainy days, the cultivation and management measures of alfalfa during the spraying period are the same as the routine, spraying for 30 days, and then harvesting to obtain selenium-enriched alfalfa.

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Abstract

The invention discloses a planting method of selenium-enriched alfalfa, comprising the following steps: cultivating alfalfa according to a conventional method; when the alfalfa grows for one year, spraying an L-selenomethionine solution into soil for 30 days, from 8:00 a.m. to 10:00 a.m. every day, wherein spraying is not performed in rainy days; taking cultivation and management measures of alfalfa during spraying the same as usual during spraying; after spraying, harvesting to obtain the selenium-enriched alfalfa. The invention also discloses application of the selenium-enriched alfalfa to aselenium-enriched alfalfa feed additive and a preparation method, and application of the feed additive in cow feeding. By adopting the method for planting the selenium-enriched alfalfa provided by the invention, organic selenium L-selenomethionine can be effectively enriched in the alfalfa, and the feed additive finally prepared by a combination of leaves, roots and stems of the alfalfa obtainedby the planting can increase the selenium content in milk.

Description

technical field [0001] The invention belongs to the technical field of alfalfa, and in particular relates to a method for planting selenium-enriched alfalfa, a feed additive for selenium-enriched alfalfa and an application thereof. Background technique [0002] As a rare dispersed element, selenium (Se) is often produced as an associated mineral in nature, and it is distributed in an unbalanced state in the natural environment. my country's selenium reserves rank first in the world, accounting for more than 1 / 3 of the world's selenium resources. It is an essential trace element for human and animal life. my country's selenium reserves are mainly distributed in the south-central and northwest regions. Among them, in my country, except Enshi in Hubei and Ziyang in Shaanxi, which are natural selenium-rich areas, 72% of the country's land is low-selenium and selenium-deficient areas. In particular, the selenium-deficient zone from northeast to southwest of my country covers mor...

Claims

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Application Information

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IPC IPC(8): A23K10/30A23K10/37A23K20/20A23K50/10
CPCA23K10/30A23K10/37A23K20/30A23K50/10Y02P60/87
Inventor 代惠萍魏树和
Owner SHAANXI SCI TECH UNIV
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