. The chemistry of soils and fertilizers. Soils; Fertilizers. ATMOSPHERIC NITROGEN ^05 tected from dust, and were watered with distilled w^ater. But little growth was made. At the end of two months the plants were submitted to chemical analysis, and the amount of nitrogen present was determined. His first results are mven in the following table :39 Nitrogen. In seed sown. Gram. Clover, 2 mos o. 11 Wheat 2 Peas 2 '' Boussineault In plant. Gram. o. 10 Gain. Gram. ^.003 plants, in a ^ concluded that when sterile soil, were expose
. The chemistry of soils and fertilizers. Soils; Fertilizers. ATMOSPHERIC NITROGEN ^05 tected from dust, and were watered with distilled w^ater. But little growth was made. At the end of two months the plants were submitted to chemical analysis, and the amount of nitrogen present was determined. His first results are mven in the following table :39 Nitrogen. In seed sown. Gram. Clover, 2 mos o. 11 Wheat 2 Peas 2 '' Boussineault In plant. Gram. o. 10 Gain. Gram. ^.003 plants, in a ^ concluded that when sterile soil, were exposed to the air, there was with some a slight gain of nitrogen but the amount gained from atmospheric sources was not sufficient to feed the plant and allow it to reach full ma- turity. By many these results were not accepted as conclusive. 112. Boussingault^s Second Ex- periments.— Fifteen years later (1853) Boussingault repeated his ex- periments in a different way. The plants were grown in a large carboy with a limited volume of air so as to^ig- 23- Plants grown rr 11 p . in carboy. cut Oil all sources of combined nitro- By means of a second glass vessel. gen, as Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Snyder, Harry, 1867-1927. Easton, Pa. , The Chemical Publishing Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubj, booksubjectfertilizers
