Abstract:Field experiments were conducted during 4 years at two locations in Kentucky to study the response of burley tobacco to phosphorus (P) and potassium (K) fertilizer rate and placement, and to in-row subsoiling. In one experiment on Pope soil (mesic Fluventic Dystrochrepts), dry matter and P and K uptake 40 days after transplanting, and cured leaf yield and value/ha were increased as application of a 5-13-36 (%N-P 2 O 5 -K 2 O) grade fertilizer increased from 310 to 930 kg/ha. Generally, fertilizer placed in 40-… Show more
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