Sod-seeding to modify coastal bermuda grass on reclaimed lignite overburden in Texas
This study was conducted to investigate the ability of nine low-maintenance species to establish and persist with Coastal bermuda grass (Cynodon dactylon (L.) Pers.) established on reclaimed lignite overburden; to evaluate the establishment and persistence of seventeen low-maintenance species seeded in overburden with no vegetation cover; and to examine seeding mixtures and rates for establishing low-maintenance species into three cover types (bermuda grass, oats, (Avena fatua L.) and no cover). Seventeen low-maintenance species established and persisted in overburden without fertilization during years of low precipitation. Several seeded grasses showed sufficient stand development in monoculture for erosion control. Most of the other seeded species were slower in establishment, yet persisted on the site and promoted multiple use of the reclaimed area. Recommended seeding rates were generally adequate for seedling establishment in oat, bermuda grass, and no vegetation cover types. Sod-seeding into bermuda grass resulted in higher seedling densities than those in oats and no cover because of stored moisture beneath the sod during bermuda grass dormancy. Using /sup 15/N-labelled fertilizer, Coastal bermuda grass demonstrated the ability to rapidly recovery applied N. Maximilian sunflower (Helianthus maximiliani Schrad.) was suppressed by Coastal bermuda grass in mixture at all fertilizer N rates.
- Research Organization:
- Texas A and M Univ., College Station (USA)
- OSTI ID:
- 7149403
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
010900* -- Coal
Lignite
& Peat-- Environmental Aspects
510500 -- Environment
Terrestrial-- Site Resource & Use Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
BROWN COAL
CARBONACEOUS MATERIALS
CEREALS
COAL
COAL MINING
CONTROL
CROPS
CULTIVATION TECHNIQUES
ENERGY SOURCES
EROSION
FEDERAL REGION VI
FERTILIZERS
FIELD TESTS
FOSSIL FUELS
FUELS
GRASS
GROWTH
HERBICIDES
LAND RECLAMATION
LIGNITE
MATERIALS
MINING
NORTH AMERICA
OATS
OVERBURDEN
PESTICIDES
PLANT GROWTH
PLANTS
REVEGETATION
SUNFLOWERS
TESTING
TEXAS
USA