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Biodiversity Heritage Library1883

Determinations of nitrogen in the soils of some of the experimental fields at Rothamsted and the bearing of the results on the question of the sources of the nitrogen of our crops — Illustration, BHL page 26624403

Nitrogen content↗

Biodiversity Heritage Library1883

Determinations of nitrogen in the soils of some of the experimental fields at Rothamsted and the bearing of the results on the question of the sources of the nitrogen of our crops — Illustration, BHL page 26624426

Nitrogen content↗

Biodiversity Heritage Library1883

Determinations of nitrogen in the soils of some of the experimental fields at Rothamsted and the bearing of the results on the question of the sources of the nitrogen of our crops — Illustration, BHL page 26624452

Nitrogen content↗

Biodiversity Heritage Library1883

Determinations of nitrogen in the soils of some of the experimental fields at Rothamsted and the bearing of the results on the question of the sources of the nitrogen of our crops — Illustration, Page 67

Nitrogen content↗

Biodiversity Heritage Library1917

Three lectures on experimental embryology — Illustration, Page 67

Embryology, Experimental↗

Biodiversity Heritage Library1917

Three lectures on experimental embryology — Illustration, Page 63

Embryology, Experimental↗

Biodiversity Heritage Library1917

Three lectures on experimental embryology — Illustration, Page 9

Embryology, Experimental↗

Biodiversity Heritage Library1917