Complex sentence: The tare (also known as "common vetch") is a plant of a hardy growth, and when sown upon rich land will return a large supply of green fodder for the consumption of horses or for fattening cattle.
Split into simpler sentences: The tare (also known as "common vetch") is a plant of a hardy growth. When sown upon rich land will return a large supply of green fodder for consumption by horses or for fattening cattle.