Plant breeders are working on seeds to withstand high temperatures or salty soils.

植物育种者正在研究耐高温、适应盐碱地的种子。

Van Deynze says early plant breeders may have inadvertently got rid of corn's nitrogen-fixing proficiency long ago.

范·德恩兹表示，早期植物育种家可能很早之前就在无意中去除了玉米的固氮能力。