Year: 1984
Type: article
Abstract: Six herbicide treatments and hand weeding of grain corn (Zea mays L.) were compared with and without a single inter-row tillage operation in June. Grain yields were significantly increased by tillage and negatively correlated with weed weights. In a subset of plots, surface soil bulk density was lower, and air-filled porosity was higher after the tillage. Bulk densities were decreased in September by a possible interaction between inter-row tillage and herbicide use. Grain yields were negatively correlated with bulk density in June and positively correlated with soil moisture in September, suggesting that some of the yield improvement from tillage was the result of better soil physical conditions.Key words: Zea mays L., atrazine, herbicides, tillage, soil structure, bulk density
DOI: 10.4141/cjps84-058
Authors: D. R. COOTE, W. J. SAIDAK
Institution: Agriculture and Agri-Food Canada
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: bronze
OpenAlex ID: W2090633113