Cold Resistance of Potomac Orchardgrass as Related to Cutting Management, Nitrogen Fertilization, and Mineral Levels in the Plant Sap
- John H. Howell and
- G. A. Jung
Cold resistance development and maintenance by orchardgrass, as measured by indirect methods, was affected to a limited extent by cutting management and levels of nitrogen fertilization. Orchardgrass cut in early bloom was generally more cold resistant than grass cut earlier. Significant negative correlations were obtained between the percentages of the total electrolyte content exosmosed from frozen stubble on 11 fall, winter, and spring sampling dates and the concentrations of potassium, sodium, and calcium in the plant sap.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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