 | North Carolina Agricultural Experiment Station - 1879 - 938 pages
...SCHEME No. 2, This scheme will illustrate a more complicated set of experiments, the object of which was to test the effects of nitrogenous fertilizers in different amounts and combinations, upon cotton. It is the scheme according to which the experiments upon our experiment field at Chapel Hill,... | |
 | 1881 - 162 pages
...nothing can be plainer than Prof. Atwater's statement relative to the subject, which is as follows: " The object of this experiment is to test the effects...different amounts and combinations upon the growth of the crop, and inferentially the capacity of the plant to gather nitrogen from natural sources. " The Fertilizers.... | |
 | 1882 - 542 pages
...crop of fifty or sixty bushels, and nitrogen in one-third, two-thirds, and full amount in same crop. The object of this experiment is to test the effects of nitrogenous fertilizers in différait amounts and combinations upon the growth of the plant, and inferential!}' its capacity to... | |
 | North Carolina Agricultural Experiment Station - 1882 - 192 pages
...SCHEME No. 2. This scheme will illnstrate a more complicated set of experiments, the object of which was to test the effects of nitrogenous fertilizers in different amounts and combinations, upon cotton. It is the scheme according to which the experiments upon our experiment field at Chapel Hill,... | |
 | Storrs Agricultural Experiment Station - 1889 - 1114 pages
...best qualities of cornstalks, and even straw." For four years the Station has conducted experiments on the effects of nitrogenous fertilizers in different amounts and combinations upon the growth of plants and their capacity to gather their nitrogen from natural sources. Descriptions of these experiments... | |
 | United States. Office of Experiment Stations - 1891 - 986 pages
...ninety-six experiments" is also given. Special nitrogen experiments. — The object of these experiments was to " test the effects of nitrogenous fertilizers in...capacity to gather its nitrogen from natural sources." To applications of potash and phosphoric acid, alone and together, nitrogen was added in nitrate of... | |
 | United States. Office of Experiment Stations - 1891 - 912 pages
...is also given. Special nitrogen- experiments. — The object of these experiments was to " test tlie effects of nitrogenous fertilizers in different amounts...and combinations upon the growth of the plant, and, infereutially, its capacity to gather its nitrogen from natural sources." To applications of potash... | |
 | Michigan. State Board of Agriculture - 1882 - 696 pages
...termed the "Cooperative Nitrogen Experiment," instituted by Prof. W. 0. Atwater, of Middletown, Conn. The object of this experiment is to test the effects...and combinations upon the growth of the plant, and itifereutially its capacity to gather its nitrogen from natural sources. The fertilizers. — The ingredients... | |
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The fertilizers.—The ingredients and amounts are such as are used in ordinary practice, phosphoric acid and potash being supplied in about the proportions that occur in a corn crop of fifty or sixty bushels, and nitrogen in onethird, two-thirds, and... 