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
Cyhoeddwyd: Zurich Centre D'Etude de L'Azote c1969.
Pynciau:
Fiber plants.