The main body of the humic acid structure is an aromatic nucleus, containing carboxyl (R-COOH), phenolic hydroxyl (R-OH)....

Humic acid can improve the absorption of nutrients by plants. The reason is that humic acid can improve the permeability of cell membranes, allowing nutrients to enter cells more easily, and accelerating the absorption of nitrogen, phosphorus and potassium by root cells.

What is humic acid? What is the function of humic acid?

Do you know when humic acid is better for crops? Humic acid can be used in the whole growth period of crops. It can promote root growth, improve crop resistance, increase yield, and improve quality. The effect of using humic acid fertilizer in the following period will be more obvious.

How to quickly identify whether your seaweed fertilizer is good?