Planting Field Crops

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Planting Field Crops
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What are the different ways to seed a crop?

• broadcast spread on top of ground
• drill seed in rows with a drill
• air seeder seed in rows with an air seeder
• row crop plant in row 20-48

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What functions does the drill do?

• prepare seedbed
• form furrows
• deposit seed
• cover seed
• pack seedbed
• fertilize
• herbicide

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What are the parts of a drill?

• seedbox carries seed
• metering device amount of seed deposited
  (adjust rate to moisture in soil)
• furrow opener (seed boot) shovel or disk
• cover with soil (depthseed size) (uniform
  depth)
• packer press wheels
• ground driven mechanism

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Row crop planting

• lister or row crop planter
• plant in rows
• plant on ridges, irrigate in furrows

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Broadcast seeding

• spread seed, cover with harrow or disk
• grasses
• airplane when field is too wet
• poor control, loss to birds

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