What layer of soil is most important for plant growth?
Loam soil
20
Which type of soil retains water the best?
Clay soil
20
Which type of soil does water flow through quickly?
Sandy soil
20
_______ is the type of soil used most often with plants and on farms. It is a mixture of clay, sand, and silt.
Loam
20
Ellen grabs a soil sample in her hand. She rolls it into a ball. The soil feels gritty and the ball falls apart. What part of the topsoil most likely made it feel gritty?