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Table 14 Sources of nitrogen in fertilizer and yield output

From: Soybean cyst nematode detection and management: a review

Nitrogen source

Timing

Method

Yield

None

–

–

52.4 (bu/acre)

Ammonium sulfate

Pre-plant

Broadcast

54.2

Ammonium sulfate

Early

Broadcast

54.3

Ammonium sulfate

Eary

Knife

52.5

Ammonium sulfate

Pod fill

Broadcast

53.2

Urea

Early

Knife

51.5

Urea

Pod fill

Broadcast

52.4