The world's major fibre crops their cultivation and manuring

The world's major fibre crops their cultivation and manuring

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Manylion Llyfryddiaeth
Awduron Eraill: Berger, Josef
Fformat: Llyfr
Iaith:English
French
Cyhoeddwyd: Zurich Centre d'Etude de l'Azote c1969.
Pynciau:
Fibre plants.
Cotton growing.