Potassium fulvic acid can regulate the soil, but it can not be achieved overnight. Generally, after 500g potassium fulvic acid per mu is used for several years, the soil hardening can be gradually relieved. Because of the large number of microorg...

When potassium fulvic acid is applied, the degree of soil salinity can be controlled, and the salt in the soil can be decomposed and utilized, thus reducing the salt in the soil and reducing the soil salinity.

Compared with potassium humate, the molecular weight of potassium fulvate is generally between 300 and 500, and the molecular weight of potassium humate ranges from hundreds of thousands to millions. In other words, potassium fulvate can be direc...