'Ground' in the Bible

"Aren't two sparrows sold for an assarion coin? Not one of them falls on the ground apart from your Father's will,

Others fell on rocky ground, where they didn't have much soil, and immediately they sprang up, because they had no depth of earth.

What was sown on the good ground, this is he who hears the word, and understands it, who most certainly bears fruit, and brings forth, some one hundred times as much, some sixty, and some thirty."

He commanded the multitude to sit down on the ground;