A response surface model was used to study the interaction between the rate of P and K fertilization on yield of three legume forage crops: alfalfa (Medicago sativa L.), trefoil (Lotus corniculatus L.), and red clover (Trifolium pratense L.). The results suggest that the soil test calibration recommendations developed for P or K on forage legumes are relatively insensitive to the rate of the other nutrient applied. Key words: Alfalfa, red clover, trefoil, soil test calibration, response surface model
CITATION STYLE
Zebarth, B. J., & Sheard, R. W. (1991). Interaction of the rate of P and K fertilization on the yield response of three forage legume species. Canadian Journal of Plant Science, 71(3), 877–880. https://doi.org/10.4141/cjps91-127
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