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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site energy crop A crop grown specifically for its fuel value. Energy crops include food crops such as corn and sugarcane, and nonfood crops such as poplar trees and switchgrass. Currently, two energy crops are under development: short-rotation woody crops, which are fast-growing hardwood trees harvested in 5 to 8 years; and herbaceous energy crops, such as perennial grasses, which are harvested annually after taking 2 to 3 years to reach full productivity. Related category    • BIOENERGY AND BIOFUEL Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP