Effect of precision planting and seeding rates on canola plant density and seed yield in southern Alberta
نویسندگان
چکیده
Precision planters are recently being adopted for seeding canola to improve crop establishment and seed yield. This study determined the effect of using precision (30.5 50.8 cm row width) conventional air drill seeders at different rates (20, 40, 60, 80, 160 seeds m −2 ) on plant density The was conducted 4 yr (2016 2019) three locations in southern Alberta. Plant increased with higher following negative exponential function distribution. yield-density relationship non-linear asymptotic nature weak-to-moderate strength most site-years. parameters did not show statistically significant differences among planters. When averaged rates, yield narrow planter 5 site-years 2 out a total 12 Under irrigated high-precipitation conditions, narrow-row planted than seeded canola. There an average increase 463 kg ha −1 (10%) compared systems; however, under water-limited comparable or Wide-row led poor both dryland attributed in-row due wider spacing.
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ژورنال
عنوان ژورنال: Canadian Journal of Plant Science
سال: 2022
ISSN: ['1918-1833', '0008-4220']
DOI: https://doi.org/10.1139/cjps-2020-0186