Immediately following planting, a mixture of three pre-emergence herbicides (glyphosate 1.68 kg ha- 1, alachlor 2.24 kg ha- 1, atrazine 1.12 kg ha -1) was applied to the previously-established herbicidetreated plots.
Immediately following planting, a mixture of three pre-emergence herbicides (glyphosate 1.68 kg ha- 1, alachlor 2.24 kg ha- 1, atrazine 1.12 kg ha -1) was applied to the previously-established herbicidetreated plots.