 | 1818 - 574 páginas
...think, and to observe, and averse to communicate the results of their experiments and observations. " Nothing is more wanting in agriculture, than experiments,...in proportion as it becomes exact in its methods." The advantages of experiments are often lost from omitting to notice many of the important circumstances.... | |
 | 1839 - 544 páginas
...would finally be made the subject of direct experiment. "Nothing," says Sir H. Davy, " is m^re wanted in agriculture than experiments in which all the circumstances...minutely and scientifically detailed, this art will then advance in proportion as it becomes exact in its methods." The inconvenience and loss which tbe... | |
 | James Finlay Weir Johnston - 1842 - 336 páginas
...comparative effect of the different substances employed. It has been well observed by Sir Humphry Davy, " mat nothing is more wanting in agriculture than experiments...circumstances are minutely and scientifically detailed, and that this art will advance in proportion as it becomes exact in its methods."* The above suggestions... | |
 | Willian Blaackwood aand Sons. Edinburgh - 1843 - 712 páginas
...finding it connected, more or less, with doctrines or elucidations derived from chemistry." pidity in proportion as it becomes exact in its methods. As in physical researches all the causes should he considered, — a difference in the results may be produced even by the fall of half an inch of... | |
 | 1916 - 880 páginas
...he carried out some field experiments himself. "Nothing is more wanting in agriculture," he wrote, "than experiments in which all the circumstances are...rapidity in proportion as it becomes exact in its method." Twenty-five years after Davy's lectures, the great French agricultural chemist, Boussingault,... | |
 | Royal Agricultural Society of England - 1845 - 754 páginas
...Soc., author of the ' Economy of Waste Manures/ &c. &c. &c. PRIZE ESSAY. 1 Nothing i« more wanted in agriculture than experiments in which all the circumstances are minutely and scientifically detailed. Information collected after views of distinct inquiry is necessarily fitted for inductive rtaioning.'... | |
 | James Finlay Weir Johnston - 1851 - 726 páginas
...effect of the different substances employed. , It has been well observed by Sir Eilumphry Davy, "that nothing is more wanting in agriculture, than experiments...circumstances are minutely and scientifically detailed, and that this art will advance in proportion as irbecomes exact in its methods."* The above suggestions... | |
 | William Makepeace Thackeray - 1916 - 838 páginas
...carried out some field experiments himself. ' Nothing is more wanting in agriculture,' he wrote, ' than experiments in which all the circumstances are...rapidity in proportion as it becomes exact in its method.' Twenty-five years after Davy's lectures, the great French agricultural chemist, Boussingault,... | |
 | Joseph Henry Gilbert - 1884 - 64 páginas
...such methods of agricultural research. Davy says : — ' Nothing is more wanting in agriculture tlian experiments in which all the circumstances are minutely...the results may be produced, even by the fall of a half-inch of rain more or less in the course of a season, or a few degrees of temperature, or even... | |
 | Rothamsted Experimental Station - 1890 - 692 páginas
...and Daubeny, as to the great importance of such methods of agricultural research. Davy says : — ' Nothing is more wanting in agriculture than experiments...the results may be produced, even by the fall of a half-inch of rain more or less in the course of a season, or a few degrees of temperature, or even... | |
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Nothing is more wanting in agriculture than experiments in which all the circumstances are minutely and scientifically detailed. This art will advance with rapidity in proportion as it becomes exact in its methods. 
