A nanometer selenium nutritive liquid fertilizer and applications

Abstract

A nanometer selenium nutritive liquid fertilizer is disclosed. The liquid fertilizer comprises amino acids, polyglutamic acid and nanometer selenium. The liquid fertilizer comprises following eighteen amino acids: 1.35% of aspartic acid, 0.49% of threonine, 0.57% of serine, 2.05% of glutamic acid, 0.94% of glycine, 0.75% of alanine, 0.65% of valine, 0.23% of methionine, 0.55% of isoleucine, 0.79% of leucine, 0.29% of tyrosine, 0.96% of phenylalanine, 0.81% of lysine, 0.45% of histidine, 1.48% of arginine, 0.62% of proline, 0.002% of tryptophan and 0.12% of cystine. The liquid fertilizer comprises the nanometer selenium, the polyglutamic acid, a fertilizer-retaining and water-retaining component PGA, proteins, saccharides, trace elements, and other nutrients. In rice cropping tests and under same fertilizing and managing conditions, the selenium content in a product reaches 0.522 mg / kg and is 11 times of the selenium content of a product obtained by spraying sodium selenite, and the liquid fertilizer increases the yield and improves quality. The liquid fertilizer is an ideal fertilizer for production of selenium-rich functional foods.

Description

technical field [0001] The invention relates to a nano-selenium nutrient liquid fertilizer, which is a liquid fertilizer for producing selenium-enriched functional food. Background technique [0002] Selenium is an essential trace element for humans and animals. The Chinese Nutrition Society also listed selenium as one of the 15 essential nutrients for the human body. Selenium has many important physiological functions and is a component of various enzymes in the human body. It plays a role in resisting diseases, delaying aging, and enhancing immune function in life. . [0003] The distribution of selenium on the earth's surface is very balanced. About 50 countries and regions in the world are deficient in selenium. In my country, more than 70% of the population is in the selenium deficient zone. Selenium deficiency in the body will lead to a series of diseases, such as Keshan disease, Kaschin-Beck disease and so on. Supplementing selenium in the body can achieve the purp...

AI Technical Summary

Problems solved by technology

It is generally only used in medicines and not in food, so its scope and dosage are limited

Images