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Archive for | Potassium fertilizer
Open Access
Research Paper
Investigating the interactive effect of humic acid and different levels of potassium fertilizer on yield components of cowpea
By: Sahar Motaghi, Tayeb Saki Nejad, Mani Mojadam
Key Words:
J. Bio. Env. Sci.4(6), 456-464, June 2014.
