Several root-invading plant pathogens have been found in symptomatic sweet corn roots, Fusarium oxysporum, F. solani, and Pythium species, but their involvement in the symptoms observed in the field was still unclear (Powelson et al., unpub.) in the spring of 2000.
To evaluate the N uptake efficiency of sweet corn varieties.
To evaluate the effects of several fall-seeded and overseeded (relay interplanted) triticale, fall-seeded triticale plus common vetch, and overseeded red clover, on yield of sweet corn fertilized at three rates of N. The cover crops follow snap beans with three rates of N.
To evaluate the effect of the cover crops and the N applied to the sweet corn on the amount of nitrate leached below the root zone.