Nitrogen synergist for regulating and controlling tobacco growth as well as use method and application of nitrogen synergist

Abstract

The invention belongs to the field of tobacco, and relates to a preparation for regulating and controlling tobacco growth, in particular to a nitrogen synergist for regulating and controlling tobacco growth as well as a use method and application of the nitrogen synergist. The synergistic composition at least comprises two of a transplanting period synergistic component, a resettling period synergistic component and a vigorous growth period synergistic component. According to the invention, the utilization efficiency of tobacco nitrogen can be effectively improved, and each regulator in the preferable formula has respective uniqueness and pertinence. Each conditioning agent in the formula is selected in a targeted manner, the optimal effect cannot be achieved when one conditioning agent is independently applied, the technical effect that 1 + 1 is larger than 2 is achieved, and the method can be applied to the technical fields of improvement of the tobacco nitrogen utilization efficiency, reduction of the fertilizer use amount and reduction of damage of tobacco to human health.

Description

technical field [0001] The invention belongs to the field of tobacco and relates to a preparation for regulating tobacco growth, in particular to a nitrogen synergist for regulating tobacco growth and its use method and application. Background technique [0002] As the main limiting factor of terrestrial plant growth, nitrogen has played a huge role in promoting crop growth and increasing crop yield; for tobacco, an economic crop, the abundance and deficiency of nitrogen fertilizer not only directly affects the yield, but also interacts with the content of nitric acid in tobacco. Salt content is closely related, and nitrate is the precursor of the harmful substance Tobacco Specific Nitrosamine (TSNA), and its content level is an important indicator of TSNAs accumulation, so nitrogen application has become a link that cannot be ignored in tobacco leaf production, but The loss caused by its low utilization rate has become the main problem faced by flue-cured tobacco cultivatio...

AI Technical Summary

Problems solved by technology

[0002]As the main limiting factor of land plant growth, nitrogen has played a huge role in promoting crop growth and crop yield; for tobacco, an economic crop, the abundance of nitrogen fertilizer In addition to directly affecting the yield, the deficiency is also closely related to the content of nitrate in tobacco inclusions, and nitrate is a precursor for the formation of harmful substances tobacco-specific nitrosamines (TSNA), and its content level is an important indicator of the accumulation of TSNAs Therefore, nitrogen application has become a non-negligible link in tobacco leaf production, but the loss due to its low utilization rate has become the main problem faced by flue-cured tobacco planting

A large amount of nitrogen nutrients that are not absorbed and utilized by flue-cured tobacco deposits in the soil cultivation layer of the tobacco field, and the risk of nitrogen loss increases exponentially, resulting in poor water retention performance and reduced fertility of the soil, which aggravates the vicious circle of tobacco leaf production in the field and becomes a tobacco planting area One of the leading factors of frequent occurrence of pests and diseases

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