This is the 2265th most frequent Japanese word.
農
"農" means "agriculture" or "farming."
The word '農業' in this sentence combines '農' with '業' to mean 'agriculture', describing the field of farming.
日本は農業技術が進んでいます。
Japan is advanced in agricultural technology.
Here, '農村' uses '農' and '村' to mean 'rural village', signifying areas typically associated with farming activities.
農村に訪れる観光客が増えています。
The number of tourists visiting rural areas is increasing.
In this case, '農機具' employs '農', '機', and '具' to refer to 'agricultural machinery', specifying tools used in farming.