Hildebrand, S. C. (1938). The effect of height & frequency of cutting alfalfa upon its growth & root development.
Citace podle Chicago (17th ed.)Hildebrand, S. C. The Effect of Height & Frequency of Cutting Alfalfa upon Its Growth & Root Development. 1938.
Citace podle MLA (8th ed.)Hildebrand, S. C. The Effect of Height & Frequency of Cutting Alfalfa upon Its Growth & Root Development. 1938.
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