nitrogen, phosphorus, potassium, tall fescue
Tall fescue production was studied during a third year at two locations. In 2015, Site 1 was affected by an interaction between nitrogen (N) and phosphorus (P) fertilization rates; while in 2016, Site 2 mainly received production differences by N fertilization rates. Potassium (K) fertilization caused little effect at both sites.
Third-year production of tall fescue was affected by an interaction between nitrogen (N) and phosphorus (P) fertilization rates at Site 1 in 2015, but mainly by N fertilization rates at Site 2 in 2016, with little effect from potassium (K) fertilization at either site.
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Sweeney, D. W.; Moyer, J. L.; and Farney, J. K.
"Nitrogen, Phosphorus, and Potassium Fertilization for Newly Established Tall Fescue,"
Kansas Agricultural Experiment Station Research Reports: