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Alternatives to traditional annual crop agriculture in the uplands : biophysical evidence from the Manupali River watershed

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posted on 06.12.2017, 00:00 by David MidmoreDavid Midmore, DD Poudel, TM Nissen, A Dano, Xia Hong ZhuXia Hong Zhu
"Maize and commercial vegetable production are important features of the agricultural landscape in the Manupali River watershed. These crops, as currently produced, are associated with a number of environmental concerns in the watershed, including high rates of soil erosion (see Chapters 7 and 8, this volume) and - in the case of vegetables - high rates of pesticide use. Soil erosion and associated declines in land productivity and farm income in steep-land crop production systems have been shown to be major threats to agricultural sustainability in the Philippines (Presbitero et al., 1995; Poudel et al., 1999, 2000) and elsewhere (Alegre and Rao, 1996; Gachene et al., 1997; Roose and Ndayizigiye, 1997; Sen et al., 1997). In addition to the on-site effects arising from soil erosion, a number of off-site effects have received attention as detailed elsewhere in this book. The sedimentation of dams, reservoirs, irrigation canals, and degradation of the quality of coastal habitats and tourist locations reflect some of the downstream negative impacts of soil erosion that have major ecological, economic and environmental consequences (Heusch, 1993; Ciesiolka et aI., 1995)." -- pp. 133-134.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Editor

Coxhead I; Shively G

Start Page

133

End Page

146

Number of Pages

14

ISBN-10

0851999123

Publisher

CABI

Place of Publication

Wallingford UK

Open Access

No

External Author Affiliations

Bureau of Economic and Business Affairs; Dept. of Environment and Natural Resources; Dept. of State; School of Biological and Environmental Sciences; TBA Research Institute; University of Louisiana at Lafayette;

Era Eligible

Yes

Number of Chapters

12

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