| Sir Humphry Davy, George Sinclair, John Russell Duke of Bedford - 1815 - عدد الصفحات: 452
...general, are most adapted for wheat crops, and calcareous soils produce excellent sain-foin and cjover. Nothing is more wanting in agriculture, than experiments...in proportion as it becomes exact in its methods. As in physical researches all the causes should be considered ; a difference in the results may be... | |
| 1839 - عدد الصفحات: 544
...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... | |
| Sir Humphry Davy - 1836 - عدد الصفحات: 458
...general, are most adapted for wheat crops, and calcareous soils produce excellent sain-foin and clover. Nothing is more wanting in agriculture than experiments...in proportion as it becomes exact in its methods. As in physical researches, all the causes should be considered ; a difference in the results may be... | |
| James Finlay Weir Johnston - 1842 - عدد الصفحات: 336
...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... | |
| 1916 - عدد الصفحات: 880
...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 - عدد الصفحات: 754
...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 - عدد الصفحات: 726
...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 - عدد الصفحات: 838
...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 - عدد الصفحات: 64
...such methods of agricultural research. Davy says : — ' Nothing is more wanting in agriculture tlian experiments in which all the circumstances are minutely...in proportion as it becomes exact in its methods. As in physical researches, all the causes should be considered ; a difference in the results may be... | |
| Rothamsted Experimental Station - 1890 - عدد الصفحات: 692
...and Daubeny, as to the great importance of such methods of agricultural research. Davy says : — ' Nothing is more wanting in agriculture than experiments...in proportion as it becomes exact in its methods. As in physical researches, all the causes should be considered ; a difference in the results may be... | |
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