Loam is soil that is good for growing crops and plants in because it contains a lot of decayed vegetable matter and does not contain too much sand or clay.
英汉词典释义
n.
(尤指适合植物生长的)壤土,沃土
Plant the seeds in good loam.把种子种在好的壤土里。
英英词典释义
Noun
1. a rich soil consisting of a mixture of sand and clay and decaying organic materials