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- Derksen, R. C.; Altland, J. E.; Rennecker, J. C.
- Journal of environmental horticulture 2012 v.30 no.2 pp. 76
- Hydrangea; air; application rate; canopy; container-grown plants; droplet size; droplets; herbicides; leaves; nozzles; pesticide application; seedlings; soil; spray coverage; spray deposition; spray volume; sprayers; spraying; weeds
- ... Preemergent herbicides are applied to the soil or potted-substrate surface to prevent weed seedling establishment. Spraying through a canopy above the soil surface represents a challenge because of the filtering effect of the canopy on the spray stream and because of the additional distance created between the soil surface and nozzle. The objective of this work was to determine the effect spray qu ...