Publication Date

1989

Description

Many pasture grass species because of their small seed size are difficult to establish. Seeding at a greater depth in order to access moisture lower in the soil profile may increase seed ger­mination but will not necessarily facilitate emergence and establishment. The direct relationship between seed size and emergence vigour has yet to be quantified for a number of grasses commonly used for pasture in the parkland district of central Alberta. These experiments were designed to examine the detrimental effects that increasing seeding depth may have on emergence and establishment. In addition, the ability to emerge through an artificial crust was used as measure of ger­mination vigour.

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The Effect of Depth of Seeding and Soil Crusting on Germination and Establishment of Seven Pasture Grass Species

Many pasture grass species because of their small seed size are difficult to establish. Seeding at a greater depth in order to access moisture lower in the soil profile may increase seed ger­mination but will not necessarily facilitate emergence and establishment. The direct relationship between seed size and emergence vigour has yet to be quantified for a number of grasses commonly used for pasture in the parkland district of central Alberta. These experiments were designed to examine the detrimental effects that increasing seeding depth may have on emergence and establishment. In addition, the ability to emerge through an artificial crust was used as measure of ger­mination vigour.