Document Type

Other

Publication Date

8-1-1988

Keywords

drought, phosphorus deficiencies, corn, crop failure

Extension Number

ExEx 8037

Department

Plant Science

Description

Phosphorus deficiencies in corn may be more severe after crop failure due to drought. Extensive research in South Dakota has shown corn planted on fields which have been fallowed the previous year have severe phosphorus deficiency early in the season with yield reductions up to 30 bushels per acre. Complete crop failure due to drought could be considered fallow because little or nothing grows on the field.

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