english: And trying some sustainable agriculture such as perennial wheatgrass, which has much longer roots than the six inches of a corn plant, that can keep the nitrogen on the soil and keep the soil from running off.
non_english: Azotu toprakta tutup  toprağın akmasını engelleyen mısırdan altı santim  daha uzun kökleri olan uzun ömürlü buğday çimi, sürdürülebilir tarım demek.