Role of humic substances in agriculture and variability of their content in freshwater lake sapropel.

Autor: Stankevica, K.1 karina.stankevica@lu.lv, Vincevica-Gaile, Z.1, Klavins, M.1
Zdroj: Agronomy Research. 2019, Vol. 17 Issue 3, p850-861. 12p.
Databáze: Academic Search Ultimate