Small Scale
noun, な adjective
規模 is "scale." This is a small one, making this small scale.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
私達はみんな、啓介に小規模農場なんて始めない方がいいと警告したんです。
We all warned Keisuke against starting a small scale farm.