This is the 4802nd most frequent Russian word.
земельных
"Land" or "of land" (adjective form).
"земельных" is used as an adjective describing "органы," referring to agencies related to land.
Он работает в земельных органах.
He works in land authorities.
"земельных" is used as an adjective describing "ресурсов," referring to resources associated with land.
Проект касается распределения земельных ресурсов.
The project concerns the distribution of land resources.
"земельных" is used as an adjective describing "участках," referring to plots affiliated with land.