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    Poultry manure enhances grass establishment at a quarry rehabilitation site in subtropical South Africa

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    MalibaoboloSiebertPoultrymanure.pdf (197.1Kb)
    Date
    2011
    Author
    Siebert, Stefan John
    Maliba, Bheki G.
    Zobolo, Alpheus M.
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    Abstract
    The rehabilitation of a quarry was conducted with selected grass species in northern KwaZulu-Natal, South Africa. The seed cocktail applied contained Chloris gayana, Cynodon dactylon, Digitaria eriantha, Eragrostis curvula, Panicum maximum and Paspalum distichum. Three treatments used were: No soil enhancement (control), poultry manure application, and commercial fertilizer application. Four months after sowing, the percentage grass cover per 1 m2 of treatment was 33% for the control, 65% where manure was applied and 76% with fertilizer application. Both fertilizer and manure applications promoted the colonization of grass species. Fertilizer application significantly increased biomass of grass (P_0.05). Poultry manure resulted in higher biomass of approximately 5 g per m2 more than the control; however the mean was not significantly different from the control (P_0.05). These results suggest that fertilizer application prior to seed sowing in a rehabilitated quarry provide the highest biomass after four months. The application of poultry manure proved to be a cheaper option to increase aboveground plant cover in a rehabilitated area, but it is less effective than fertilizer in terms of biomass production.
    URI
    http://hdl.handle.net/10394/7113
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    • Faculty of Natural and Agricultural Sciences [4311]

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