What are the common types of foliar fertilizers? Read this article to understand

When growing crops, fertilization is an indispensable task. Fertilization methods are divided into soil topdressing and foliar topdressing, and foliar topdressing is mainly based on foliar fertilizers. Compared with root topdressing, foliar fertilizers take effect relatively quickly, and they are also a key measure for supplementing trace elements in plants. So what are the common types of foliar fertilizers in our daily lives? Let's take a look together with the editor below!

1. Major elements

First of all, it definitely includes the major elements we most commonly see when fertilizing, such as nitrogen, phosphorus, and potassium. This is because plant leaves, like roots, can absorb nutrient elements. Therefore, we can also supplement major elements such as nitrogen, phosphorus, and potassium for plants by spraying foliar fertilizers. The main components of nitrogen foliar fertilizers are urea and ammonium nitrate. For phosphorus fertilizers, potassium dihydrogen phosphate is the main one, and the potassium fertilizer most suitable for spraying as a foliar fertilizer is potassium nitrate. Generally, nitrogen, phosphorus, and potassium fertilizers used in soil fertilizers are not very suitable for use in foliar fertilizers.

2. Trace elements

A large part of the reason for applying foliar fertilizers is actually to supplement trace elements for plants. It also includes medium elements such as calcium and magnesium. When spraying trace element foliar fertilizers, the type and amount of trace elements should be controlled according to the soil environment and the crops being grown. More is not always better. If there are too many trace elements, the plants are prone to toxicity. Therefore, everyone must pay close attention. When some plants lack trace elements, they will show different deficiency symptoms. So if there are deficiency symptoms, everyone should promptly supplement the corresponding trace elements according to the specific situation.

3. Chelating agents and growth regulators

When applying foliar fertilizers, an appropriate amount of chelating agent can also be added to the foliar fertilizer. Chelating agents can not only enhance the fertilizer efficiency of foliar fertilizers, but also stabilize the nutrient elements in foliar fertilizers. Common chelating agents include humic acid and amino acids. In addition, growth regulators can also be said to be a type of foliar fertilizer, and they are also a relatively commonly used type of foliar fertilizer. Among them, the more familiar ones include auxins, chlormequat, and cytokinins. In addition, vitamin B1 and vitamin B2 are occasionally used as additives as well.

4. Surfactants

In addition to the above three, there is also a type of surfactant that can also be considered a type of foliar fertilizer. Adding an appropriate amount of surfactant to foliar fertilizers can improve the adhesion of foliar fertilizers, increase the absorption and conversion rate of foliar fertilizers, and improve fertilizer efficiency. At present, commonly used surfactants include ammonium alkylbenzene sulfonate and others. These four are the common types of foliar fertilizers. There are now very many types of foliar fertilizers on the market, so everyone should not use them blindly. They should be used after professional study or guidance. Everyone must pay close attention.

The above is a brief introduction to the common types of foliar fertilizers. That is all for today's introduction. This article is for reference only. Friends who want to learn more related information, please continue to follow us!