Why is silt important in mesopotamia in one paraghraph

Silt is vital to Mesopotamia because it will make all the different crops grow, and when the crops grow the animals can eat (Ox’s, Cow’s, and Goats). Once the animals have eaten their food, ( plant’s such as melons, and grass used by Silt ) the Farmer’s of Mesopotamia can kill the animals (Ox’s, Cow’s, and Goat’s) and eat them. The mane ingredients in silt, is Water, Rock’s, and Mesopotamia’s rich Soil. You want to plant (with Silt) in the begging of spring , so your crops will harvest by the end of summer.