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Effects of ley farming on the nitrogen status of some infertile upland soils from North Eastern Thailand : a report submitted for AG 850 Research Project in partial fulfilment for the requirements of the degree of Master of Agriculture studies in the University of Queensland /

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Bibliografiske detaljer
Hovedforfatter: Ila'ava, Vele Pat
Format: Thesis
Sprog:engelsk
Udgivet: [Brisbane : University of Queensland], 1988.
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