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Selenium-rich watermelon seedling raising matrix and method of producing organic selenium-rich watermelon by using same

A seedling raising substrate and watermelon technology, applied in the field of cultivation, can solve problems such as the need to improve the utilization rate of selenium fertilizer and heavy fertilization workload, and achieve the effect of avoiding later fertilization operations, reducing damage to seedlings, and promoting the improvement of selenium absorption efficiency

Inactive Publication Date: 2012-11-21
SUZHOU SETEK
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  • Summary
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AI Technical Summary

Problems solved by technology

The content of selenium-enriched watermelon produced by this method is relatively stable, but the workload of fertilization in the later stage is relatively large, and the utilization rate of selenium fertilizer needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The seedling substrate is made of soil, 3% humic acid, 8.88 mg / kg sodium sulfate, and 4.78 mg / kg sodium selenate. It is made into a seedling cup for seedling cultivation. With conventional planting operations, the selenium content of the selenium-enriched watermelon produced in the end is 3 μg / kg, and the organic selenium content is 98%.

Embodiment 2

[0032] The seedling substrate is evenly mixed with organic fertilizer, 5% humic acid, potassium sulfate content of 27.18 mg / kg, and sodium selenite content of 10.95 mg / kg, and is put into watermelon seedling trays for seedling cultivation. After transplanting, the selenium-enriched watermelon finally produced according to the conventional watermelon planting operation has a selenium content of 10 μg / kg and an organic selenium content of 98%.

Embodiment 3

[0034] The seedling substrate is made of soil, humic acid 10%, ammonium sulfate content of 123.75 mg / kg, and nano-selenium nutrients (15 mg / kg of selenium content) are evenly mixed to make seedling cups for seedling cultivation. After transplanting, follow the conventional watermelon planting operation, and finally produce selenium-enriched watermelon with a selenium content of 45 μg / kg and an organic selenium content of 96%.

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Abstract

The invention provides a selenium-rich watermelon seedling raising matrix and a method of producing organic selenium-rich watermelon by using the same. According to the seedling raising matrix, soil, 5-20 percent by weight of humic acid, sulfate and a substance containing bio-available selenium are uniformly mixed according to a certain proportion, so that the final sulfur content in the matrix is 5-900 mg / kg, and the bio-available selenium content is 5-900 mg / kg. According to the conventional seedling raising method, after the selenium-rich watermelon seedling is transplanted by using the matrix, the selenium-rich watermelon with selenium content of 10 mg / kg is cultured according to the conventional field management.

Description

technical field [0001] The invention relates to a selenium-enriched watermelon seedling raising substrate and a method for producing organic selenium-rich watermelon using the same, belonging to the field of cultivation. Background technique [0002] Selenium is an essential trace element for humans and animals. It has biological properties such as scavenging free radicals, anti-oxidation, anti-aging, anti-cancer, enhancing immunity, and antagonizing heavy metals. The Chinese Nutrition Society recommends a daily selenium intake of 50-250 μg. The source of selenium in the human body is mainly from dietary intake, but the average daily selenium intake of adults in my country is only about 36 μg. Therefore, selenium malnutrition is common in our country. The data released by WHO also shows that more than 40 countries in the world belong to low selenium or selenium deficient areas. Selenium-enriched agricultural by-products are an effective way for the human body to supplement...

Claims

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Application Information

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IPC IPC(8): C05G3/00A01G1/00A01C21/00
Inventor 鲁钰良
Owner SUZHOU SETEK
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