P. W. F. de Waard
Identifiers
- Open LibraryOL1568449A
Top Subjects
- Pepper (Spice) (1)
- Indonesia (1)
- Medicinal plants -- Indonesia (1)
- Botanical drug industry -- Indonesia (1)
- Piper nigrum (1)
Books by P. W. F. de Waard
Total count: 4
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Pepper (Piper nigrum L.).1969-01-01
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Foliar diagnosis, nutrition and yield stability of black pepper (Piper nigrum L.) in SarawakKoninklijk Instituut voor de Tropen1969-01-01
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Agricultural, technological, and economic aspects of some selected medicinal plantsKoninklijk Instituut vor de Tropen1978-01-01
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Problem areas and prospects of production of pepperan overviewKoninklijk Instituut voor de Tropen1980-01-01