Combination capable of reducing content of nitrate in vegetables
A technology of nitrate content and composition, applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problems of general nitrate reduction effect and complex formula, and achieve the goals of improving yield and quality, enhancing stress resistance, and promoting growth Effect
Active Publication Date: 2013-03-13
INST OF AGRI RESOURCES & ENVIRONMENT GUANGDONG ACADEMY OF AGRI SCI
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The formula is relatively complicated, and the effect of reducing nitrate is average
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[0015] Below in conjunction with embodiment, further illustrate the present invention.
[0016] In the following examples and comparative examples, unless otherwise specified, the number of parts refers to parts by mass.
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The invention discloses a composition capable of reducing vegetable nitrate content, which is composed of betaine, theanine or theanine salt, histidine or histidine salt, proline or proline salt, wherein tea Amino acid or theanine salt, histidine or histidine salt, proline or proline salt are not all 0. The composition of the invention can effectively reduce the accumulation of nitrate in vegetables, and further reduce the content of nitrate in vegetables. Pot experiments show that the present invention can reduce the nitrate content in vegetables by 12-45%, and the preferred formula can reduce the nitrate content in vegetables by 21-65%. Field experiments show that after using the composition of the present invention, the A 10% reduction in nitrate levels in vegetables had a greater than 90% chance.
Description
technical field [0001] The invention relates to a vegetable fertilizer, in particular to a composition capable of reducing the nitrate content of vegetables. Background technique [0002] Studies have shown that excessive intake of nitrates (NO 3 - and NO 2 - The general term of ) is one of the inducing factors of human cancer and other diseases, and the nitrate contained in vegetables is an important source of nitrate ingested by humans. [0003] Due to the excessive pursuit of yield and the extensive use of chemical fertilizers, especially the extensive use of nitrogen fertilizers, the nitrate content in vegetables has a tendency to gradually increase. According to research, the nitrate content of leafy vegetables can reach up to 10,000 mg / kg fresh weight, and even vegetables that are harvested with reproductive bodies, such as beans and melons, can reach more than 500 mg / kg fresh weight. [0004] In order to solve the above problems, the technical approaches currentl...
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IPC IPC(8): C05G3/00
Inventor 彭智平操君喜杨少海黄继川于俊红徐培智李文英杨林香林志军
Owner INST OF AGRI RESOURCES & ENVIRONMENT GUANGDONG ACADEMY OF AGRI SCI