The Philippines recommends for conservation farming in the sloping lands vol. 1. contour farming.

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• The Philippines recommends for conservation farming in the sloping lands vol. 1 contour farming.
  Gepubliceerd in: (2008)
• Coronal forms of the full crown restoration--their clinical applications
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• The Philippines recommends for soil conservation 1977
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• Soil conservation technologies for smallholder farming systems in the Philippine uplands a socioeconomic evaluation
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• Soil conservation decisions and non-farm economic conditions in the Philippine uplands of Bukidnon
  door: Rola, Agnes C.
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