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Selenium fertilizer and cultivation method for selenium-enriched millet

A cultivation method and a selenium-enriching technology, applied in grain cultivation, fertilization methods, organic fertilizers, etc., can solve the problems of insignificant selenium absorption, unstable selenium content performance, and substandard levels, so as to avoid high selenium and low selenium, The effect of improving selenium deficiency

Inactive Publication Date: 2018-07-27
SHANXI ACADEMY OF AGRI SCI SORGHUM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this selenium fertilizer increases the selenium content of crops, due to the way of applying it to the soil, the absorption effect of selenium by crops is not obvious, and research has found that the selenium content of millet in this method is unstable, and the selenium content of some millet exceeds the standard or not to standard

Method used

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  • Selenium fertilizer and cultivation method for selenium-enriched millet

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Comparison scheme
Effect test

Embodiment 1

[0042] A selenium fertilizer, comprising sodium selenite, selenium-enriched wastewater, and fulvic acid, wherein, fulvic acid: selenium element: water = (2-3): (0.19-0.46): 1. During application, the selenium fertilizer and water are applied in a ratio of 1:99 parts by weight.

Embodiment 2

[0044]Fertilization and land preparation, the fertilization and land preparation include applying base fertilizer, rotary tillage, and compaction after the harvest of previous crops

[0045] For sowing, use sodium selenite or potassium selenite to soak the seeds for 24 hours before sowing. The sowing is carried out in the middle and late May. It is drill sowing, and the sowing rate is 9kg / hm 2 . ;

[0046] Application of exogenous selenium: Spray selenium fertilizer on the leaves at the booting stage and filling stage respectively, among which,

[0047] The selenium fertilizer includes a selenium source and fulvic acid water, the selenium source includes sodium selenite and selenium-enriched wastewater, and the content of selenium in the selenium source is 40-50g / hm 2 , the mass ratio of fulvic acid, selenium, and water is 2.5:0.39:100, and the selenium content in the obtained millet is shown in Table 1.

Embodiment 3

[0049] Fertilization and land preparation, the fertilization and land preparation include applying base fertilizer, rotary tillage, and compaction after the harvest of previous crops

[0050] Sowing, the sowing is carried out in the middle and late May, and it is drill sowing, and the sowing rate is 6kg / hm 2 . ;

[0051] Application of exogenous selenium: Spray selenium fertilizer on the leaves at the booting stage and filling stage, among which,

[0052] The selenium fertilizer includes a selenium source and fulvic acid water, the selenium source includes sodium selenite and selenium-enriched wastewater, and the content of selenium in the selenium source is 40-50g / hm 2 , the mass ratio of fulvic acid, selenium, and water is 3:0.19:100, and the selenium content in the obtained millet is shown in Table 1.

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Abstract

The invention discloses a cultivation method for selenium-enriched millet and a selenium fertilizer. The method comprises the following steps: performing seeding; and applying external-source selenium: spraying the selenium fertilizer at a booting stage and a filling stage, wherein the selenium fertilizer comprises a selenium source, the selenium source includes sodium selenite and selenium-enriched wastewater, and the selenium source has a selenium content of 40-50 g / hm<2>. The selenium fertilizer includes the selenium source and fulvic acid, the selenium source includes the sodium selenite and the selenium-enriched wastewater, the selenium source has the selenium content of 40-50 g / hm<2>, and a mass ratio of the fulvic acid to selenium is (2-3):(0.19-0.46). The method provided by the invention adopts the selenium fertilizer and regulates an application amount of the selenium fertilizer, so that the millet with a clear selenium content range is obtained, high-selenium and low-seleniumconditions of the millet are avoided, and the selenium deficiency situation of people is effectively improved; and the selenium-enriched wastewater is adopted as the selenium source, so that an effective way is provided for treatment of the selenium-enriched wastewater.

Description

technical field [0001] The invention relates to the technical field of millet cultivation, in particular to a selenium fertilizer and a selenium-enriched millet cultivation method. Background technique [0002] Millet [Setaria italica (L.) Beau] belongs to Gramineae (Grainier) Setaria Beauv. Millet has drought resistance, barren resistance and strong adaptability to other adversities. Millet is one of the oldest food crops in China, and it is also the main food of the people in northern my country. It is known as "the length of a hundred grains". In the prior art, there is no definite conclusion about the relationship between selenium and plant growth, but more and more studies report that selenium has a certain influence on the growth and development of plants. Therefore, it is of great theoretical and practical significance to explore the influence of selenium on millet yield and composition factors by foliar spraying of exogenous selenium, and to plant and produce selen...

Claims

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Application Information

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IPC IPC(8): A01G22/20A01C21/00C05G3/04C05G3/80
CPCA01C21/005C05D9/00C05G3/80C05G5/20C05F7/005C05F11/02
Inventor 穆婷婷李志华周福平李慧明任钰李茂王志红
Owner SHANXI ACADEMY OF AGRI SCI SORGHUM RES INST
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