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  • Nutrient Management Guide: Central Washington Irrigated Potatoes 

    Lang, N. S.; Stevens, Robert G.; Thornton, Robert Earl, 1933-; Pan, William L.; Victory, S. (Pullman, Washington : Washington State University. Extension., 1999-03)
    The amount of fertilizer recommended in this guide is the amount needed to produce optimum yield of the current potato crop. Discusses potato nitrogen needs, phosphorus, potassium and sulfur, plus additional nutrients. 8 pages.
  • Potato Nutrient Management for Central Washington 

    Lang, N. S.; Stevens, Robert G.; Thornton, Robert Earl, 1933-; Pan, William L.; Victory, S. (Pullman, Washington : Washington State University. Extension., 1999-02)
    This management guide summarizes nutrient management concepts for maintaining high potato yields, while minimizing environmental impact. Topics include: potato growth stages and nutrient demand, soil and plant sampling, ...