Does potassium fertilizer form, source, and time of application influence potato yield and quality in the Columbia Basin?

@article{Davenport2008DoesPF,
  title={Does potassium fertilizer form, source, and time of application influence potato yield and quality in the Columbia Basin?},
  author={Joan R. Davenport and Ellison M Bentley},
  journal={American Journal of Potato Research},
  year={2008},
  volume={78},
  pages={311-318}
}
Potassium (K) fertilizer form (liquid or granular), source (chloride or sulfate), and time of application (preplant or in-season) were evaluated for effects on potato tuber yield and quality in Washington’s Columbia Basin. Potato yield and quality did not respond positively to potassium fertilizer although pre-plant soil-test K values were in the range where adding K fertilizer is recommended in the current (1999) Washington guidelines. In one of three years, total tuber yield was reduced with… CONTINUE READING

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