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Soil erosion and soil-moisture conservation under old terracing system in the Palestinian Central Mountains = Virkningen av eldre terrassesystemer på jorderosjon og plantenes vannforsyning i Central Mountains i Palestina / Ahmad Hammad Yousef Abu Hammad.
- 631.45 H2242 2004
- Abu Hammad, Ahmad Hammad Yousef.
- Agricultural University of Norway, Department of Plant and Environmental Sciences,
- 2004.
- Ås :
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Conservation agriculture systems for smallholder farmers in Malawi : an analysis of agronomic and economic benefits and constraints to adoption / Amos Robert Ngwira.
- 354.5096897 N5769
- Ngwira, Amos Robert.
- Norwegian University of Life Sciences, Department of International Environment and Development Studies,
- 2014.
- Ås :