A trial was established using three month old asparagus (Asparagus officinalis L.) plants in a volcanic soil at Chillán (36°32 S; 71°55 W). Experimental design was randomized complete blocks with four replicates. Plots had four 6m long rows of plants. Distance between rows was 1.5 m and in-row 0.2 m. The evaluated cultivars were: Atlas, Grande and Apollo from Asparagus Seeds and Transplants (California), Jersey Giant, Jersey Gem, Jersey General, Jersey King, Jersey Knight and Jersey Supreme from Jersey Asparagus Farms (New Jersey), and the controls were UC-157 F1 and F2. Spears were trimmed 18 cm long after harvest. The highest cumulative marketable yield was obtained by Jersey Supreme (43 Mg ha-1 in five years), and the lowest one... |