| http://www.w3.org/ns/prov#value | - If the crop is a perennial, such as switchgrass, the farmer may spend more time in front of the computer and on the phone than out in the field. ???Once the crop is established, he???ll manage fertilization and weed control through an agronomic service, cutting and removal through a custom harvester and marketing through a biomass aggregator,??? Shinners says.
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