Effects of seedbed preparation and cattle trampling on burial of grass seeds
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Authors: V. K. Winkel, B. A. Roundy, and D. K. Blough
Date: 1991
Journal: Journal of Range Management
Volume: 44
Number: 2
Pages: 171-175
Summary of Methods: Winkel et al measured seed burial and seedling emergence in plots exposed to mechanical seedbed preparation techniques (root plowing and ripping), prior to seed application and light or heavy cattle trampling (after seed application). Seeds were found at the greatest depths in plots exposed to heavy trampling, at intermediate depths in plots exposed to mechanical methods, and at shallow depths in plots exposed to light trampling. Seedling emergence was greater for seeds that were buried, as seeds that were left on undisturbed soil were washed away in summer thunderstorms. However, emergence of the species seeded in this experiment was not possible from soil depths greater than 14mm. Therefore, the authors recommend using very light soil disturbance to reduce seed loss and enhance seedling emergence in Arizona pastures.
Article Summary / Main Points: None
Vegetation Types:
MLRA Ecoregions:
Agrovoc Control Words: Riparian zones Rangelands Wildlife
Article Review Type: Refereed
Article Type: Experimental Research
Keywords: seed location, seed depth, seedbed preparation, revegetation, root plowing, land imprinting, sideoats grama, bouteloua curtipendula, blue panic, panicum antidotale, lehmann lovegrass, cochise lovegrass, eragrostis spp.
Annotation: Pastures were not grazed. Pastures were broadcast seeded and light (10 hoofprints/ m2) or heavy (5 cattle herded in a 36 m2 plot for 20 minutes) trampling treatments were applied.
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