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2
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Effects of forestry management practices on soil properties / comp. by Commonwealth bureau of soils.
- Commonwealth Agricultural Bureaux,
- 1976.
- Slough :
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Intensive cropping : effects of catch cropping, multiple cropping, mixed cropping and intercropping on soil properties and crop yields : [covering the published literature for 1945-1974] / comp. by Commonwealth bureau of soils.
- Commonwealth Agricultural Bureaux,
- 1976.
- Slough :