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Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Market Classes

Yellow

Red

White

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Planting

Transplants Pelleted Seed

Raw Seed

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Fertilizing

Soil/Foliage Tests

Split Applications

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Cultivating

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Irrigating

Sprinkler Surface

DripPhoto byA. R. Renquist

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Plant Growth Stages

Tops Down

Early Bulb

Mid Bulb

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

IPM Components

Scouting

MonitoringCulls

Volunteers

Forecast ModelsPest Biology

G P S

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Applying Pesticides

Ground Rig Chemigation

Aerial

HerbicideInsecticideFungicideBactericide

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Topping

Photo by P. Westra

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Undercutting

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Windrowing & Curing

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Harvesting

Onion Production Practices

Graphics by H.F. SchwartzColorado State University

Storing