I'm especially interested in the potential of perennial grain crops, which are being developed in particular by The Land Institute in Salina, Kansas.

我最感兴趣的是多年生作物的发展潜力，堪萨斯州萨利纳的土地研究所正潜心开发这类作物。

He got together with a group of scientists, and they bred perennial grain crops which have deep roots that anchor the fertile topsoil of a farm, preventing erosion and protecting future harvests.

他与一群科学家聚在一起，他们培育出多年生的粮食作物， 这些作物的根深蒂固， 可以固定农场肥沃的表土， 防止侵蚀并保护未来的收成。