1) Identifying and correcting zinc and iron deficiency in field crops

Author
Follett, Roy H
Series
Service in action volume no. 0.545
Publisher
Colorado State University Extension Service
Pub. Date
Not Supplied
Language
English

2) Zinc and iron deficiencies

Author
Follett, Roy H
Series
Crop series. Production volume no. 0.545
Publisher
Colorado State University Extension Service
Pub. Date
2004.
Language
English

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