Search Results - Schlegel, Rolf H. J.

Dictionary of plant breeding / by Schlegel, Rolf H. J.

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History of plant breeding / by Schlegel, Rolf H. J.

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Rye : genetics, breeding, and cultivation / by Schlegel, Rolf H. J.

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Concise encyclopedia of crop improvement : institutions, persons, theories, methods, and histories / by Schlegel, Rolf H. J.

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Dictionary of plant breeding / by Schlegel, Rolf H. J.

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Encyclopedic dictionary of plant breeding and related subjects / by Schlegel, Rolf H. J.