On

He (ZN) is required for plant metabolism, enzyme function, plant hormones, flowering, fruit formation and protein synthesis in the plant.

Poselcel 1-4

Roussell 2-4 is a series of water-soluble NPKs containing various ratios of high-powered nitrogen, phosphorus, potassium elements with micronutrients including iron, zinc and manganese

Solohum 1-5-5

Volchy is organic NPK all with humic acid, fok acid and organic carbon, which is completely soluble in water and can be used for a variety of plants.

Amazon

Mazon is a high -control -controlled manuscript of nitrogen with magnesium, which stays more in the soil and gradually controlled in the environment.

Sulfur

And can be used both as a source of sulfur for plant nutrition and as soil modifiers.