The Perplexed Farmer: how is He to Meet Alien Competition?: Three Leading Lectures Given at BrusselsLongmans, 1891 - Broj stranica: 208 |
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Rezultati 1 - 5 od 13.
Stranica xiii
... vis viva which is poured upon the earth day by day in the sun's rays , but which is at present wasted , are profoundly suggestive . An inventive mind , applying itself to agricultural problems , may perhaps here find a true method of ...
... vis viva which is poured upon the earth day by day in the sun's rays , but which is at present wasted , are profoundly suggestive . An inventive mind , applying itself to agricultural problems , may perhaps here find a true method of ...
Stranica xxxv
... vis viva , 129 ; force utilised , force wasted , 130 ; cost of day's work of a sideral horse - power compared to a steam horse - power , 131 . SECOND LECTURE Cultivation in calcined sand , 133 ; principle of collective force , 133 ; the ...
... vis viva , 129 ; force utilised , force wasted , 130 ; cost of day's work of a sideral horse - power compared to a steam horse - power , 131 . SECOND LECTURE Cultivation in calcined sand , 133 ; principle of collective force , 133 ; the ...
Stranica 15
... vis viva , which controls vegetation , and this force has been con- quered by the intelligence and the necessity which incessantly impel AGRICULTURAL PRODUCTION 15.
... vis viva , which controls vegetation , and this force has been con- quered by the intelligence and the necessity which incessantly impel AGRICULTURAL PRODUCTION 15.
Stranica 19
... vis viva derived from light , from the solar radiations , which plants con- sume ? At least 8,000 horse - power days per hectare , or , if you prefer it , the equivalent of 40,000 human days ' work . Here the agricultural problem ...
... vis viva derived from light , from the solar radiations , which plants con- sume ? At least 8,000 horse - power days per hectare , or , if you prefer it , the equivalent of 40,000 human days ' work . Here the agricultural problem ...
Stranica 20
... vis viva equal to 8,000 horse - power days . But a horse - power is equal to five men . Consequently the vis viva which a hectare of land requires to yield its crop is equiva- 20 FIRST LECTURE.
... vis viva equal to 8,000 horse - power days . But a horse - power is equal to five men . Consequently the vis viva which a hectare of land requires to yield its crop is equiva- 20 FIRST LECTURE.
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The Perplexed Farmer: How Is He to Meet Alien Competition? Three Lectures ... Georges Ville Pregled nije dostupan - 2017 |
The Perplexed Farmer: How Is He to Meet Alien Competition? Three Lectures ... Georges Ville,William Crookes Pregled nije dostupan - 2017 |
The Perplexed Farmer: How Is He to Meet Alien Competition? Three Lectures ... Georges Ville Pregled nije dostupan - 2017 |
Uobičajeni izrazi i fraze
100 hectares agricultural Ammonium sulphate ANDREW LANG autumn wheat beets Cabinet Edition calcined sand calcium phosphate carbon cattle cereals chemical manures clover Colza Complete manure contains cost crop Crown 8vo cultivation dominant dose dung E. A. Freeman ESSAYS expenses experimental field experiments farm farmer fourteen elements francs per hectare francs per hectolitre give Grain grammes Gypsum hect hectolitres hectols HISTORY homologous manures Illustrations increase kilos labour land lecture leguminous plants lime LONGMANS maize manure without nitrogen Maps Mathieu de Dombasle meadow means merely mineral elements Mineral manure nitrate nitrogenous matter obtained outlay phosphate Phosphoric acid plots plough potash Potash-saltpetre potassa Potassium chloride Potassium chloride 80 potatoes practical produce profit quantity quintal Rider Haggard Roville seed sideral rotation soil sown square-head straw sugar-cane Superphosphate tion Total triennial rotation variety vegetation Vincennes Violet clover vis viva viva vols weeds wheat whilst Woodcuts yearly
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