Paper · 1979 · NDSU Repository (North Dakota State University)

Nitrogen Fertilization Requirements for No-tillage and Minimum Tillage Wheat

F. Sobolik; B. E. Johnson; R. P. Schneider

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Open access

Abstract

Small grains planted in reduced tillage or no-tillage systems often exhibit severe N deficiencies. Yield responses due to N fertilization provide information related to N rates and N source selection. Data from northwestern North Dakota showed dramatic N source differences when rainfall did not occur soon after N applications.

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Claims 1

Observationobservedoriginal resultmeasured

Claim · model-written summary

Nitrogen sources produced dramatic differences when rain did not follow application soon in northwestern North Dakota.

Outcome
N source differencese0
Qualifier
when rainfall did not occur soon after N applicationse0
Setting
northwestern North Dakotae0

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Verbatim

e0

“Data from northwestern North Dakota showed dramatic N source differences when rainfall did not occur soon after N applications.”

✓ located verbatim in the source · abstract, characters 201–328 · show in text ↑
t0

“Wheat”

✓ located verbatim in the source · title, characters 71–76 · show in text ↑