Weed Competition in Maize Crop under Different Timings for Post-emergence Weed Control


The effect of early weed competition was determined for a maize (Zea mays) crop grown in Waikato. Maize was established in three different environments, viz. weedy (no herbicide), grass weeds (preemergence atrazine) and broadleaf weeds (pre-emergence metolachlor). Surviving weeds were controlled with post-emergence nicosulfuron (60 g/ha) after different… (More)


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