Yield of microirrigated cabbage as a second crop after tomato in compost-amended soil

Cabbage, Brassica oleracea L, Capitata group, cv. Tastie, was grown in winter-spring, January-March 1999, in a land previously amended with compost in fall 1997, then cropped in sequence, with four vegetables during the fall, winter and spring 1997-98 and fall 1998. Soil was an Eau Gallie fine sand (sandy, siliceous, hyperthermic Alfic Alaquod) and the production system was a full-bed polyethylene mulch with micro(trickle-) irrigation. Experimental design was a split-split plot, replicated six times. Main plots were N and K fertilizer treatments for the fall 1998 tomato, Lycopersicon esculentum Mill., crop: fertilized (FT '98) or nonfertilized (NF '98). Sub-plots were two N-P-K treatments for the fall 1997 tomato crop: fertilized (FT '97) or nonfertilized (NF '97). Sub-sub-plots were four compost rates (0, 10, 20, and 30 Mg ha(-1) 'Disneyworld' compost) that were applied for the fall 1997 tomato crop. Cabbage yields increased with increasing compost rates and were higher with 20 and 30 Mg ha(-1) than with 10 Mg ha(-1) or with no compost (P less than or equal to 0.05). Residual soil concentrations of P, K, Ca, Fe, and Mn increased linearly with increasing compost rates. Phosphorous and Fe concentrations were very high with the 20 and 30 Mg ha(-1) compost rates.