林務 is read as りんむ (rimmu) and means forestry.
りんむ
rimmu
りんむかん
forester
はやし
bunch (of something)
りんぎょう
forestry
りんがく
りんりつ
standing close together
りんどう
logging road
りんや
forests and fields
りんやちょう
Forestry Agency
りんさん
forest products
りんかん
in the forest
りんせい
forest management
りんかんがっこう
outdoors school