12/23/2023 0 Comments No till seed drillSuppression of existing vegetation for establishment Compared to the control treatments, all six seed drill openers resulted in greater seedling establishment, and higher alfalfa composition and yield. The results in 2011 showed that all six seed drill openers performed similarly, with no differences in seedling establishment, alfalfa composition, alfalfa yield or forage yield. The undisturbed control was not seeded or disturbed with any openers.ĭuring the growing season in 2011, researchers analyzed the draft force, seedling establishment, alfalfa cover, forage DM yield, and forage composition data. A disturbed control was established at seeding using a Dutch narrow row opener without any alfalfa seed. The study also included two control plots. The plots were sod-seeded with AC Grazeland alfalfa at 5.34 lbs./ac (6 kg/ha) in 2011. The study compared six openers: Dutch Industries 19 mm narrow single-shoot knife, Morris Industries 100 mm paired-row double shoot opener, Bourgault Tillage Tools 100 mm paired row double shoot opener, Dutch Industries 9 mm double shoot sideband opener, Atom-Jet double shoot opener, and SeedMaster twin shank opener. The drill was equipped with accurate seed metering and draft measurement equipment. The Prairie Agricultural Machinery Institute (PAMI) modified and equipped a specialized plot drill with six commercially available seed drill openers. The persistence of alfalfa was evaluated nine years after sod-seeding. Researchers also compared suppression of the existing vegetation with or without glyphosate prior to seeding. The objective of this research was to compare six commercially available zero-till seed drill openers for sod-seeding alfalfa into an old crested wheatgrass pasture in Lanigan, Saskatchewan. However, zero-till seed drills for sod-seeding into an existing perennial forage have not been evaluated. In the thin Black soil zone of western Canada, alfalfa continued to persist nine years after seeding whether herbicides were used at establishment or not.Īnnual field crops are commonly seeded with zero-till seed drills in the prairie region of western Canada. Sod-seeding alfalfa to rejuvenate perennial grass pastures using currently available zero-till seeding equipment can be a successful option for livestock producers.
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