The Elements of Agriculture: A Book for Young Farmers, with Questions Prepared for the Use of SchoolsD. Appleton, 1854 - 288 Seiten |
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Seite 7
... Hydrogen , Oxygen , and Nitrogen , IV . - Inorganic Matter , 68 V. - Growth , VI . - Proximate division of Plants , " VII . - Location of the Proximates , and variations in the Ashes of Plants , " VIII . - Recapitulation , • SECTION ...
... Hydrogen , Oxygen , and Nitrogen , IV . - Inorganic Matter , 68 V. - Growth , VI . - Proximate division of Plants , " VII . - Location of the Proximates , and variations in the Ashes of Plants , " VIII . - Recapitulation , • SECTION ...
Seite 13
... hydrogen and nitrogen . These four kinds of matter constitute nearly the whole of most plants , the ashes forming often less than one part in one hundred of their dry weight . When wood is burned in a close vessel , or other- wise ...
... hydrogen and nitrogen . These four kinds of matter constitute nearly the whole of most plants , the ashes forming often less than one part in one hundred of their dry weight . When wood is burned in a close vessel , or other- wise ...
Seite 14
... hydrogen and forms water . All of the water , ice , steam , etc. , are composed of these two gases . We know this because we can ar- tificially decompose , or separate , all water , and obtain as a result simply oxygen and hydrogen , or ...
... hydrogen and forms water . All of the water , ice , steam , etc. , are composed of these two gases . We know this because we can ar- tificially decompose , or separate , all water , and obtain as a result simply oxygen and hydrogen , or ...
Seite 23
... HYDROGEN , OXYGEN AND NITROGEN . HYDROGEN AND OXYGEN . LET us now consider the three gases , hydrogen , oxygen and nitrogen , which constitute the remainder of the organic part of plants . Hydrogen and oxygen compose water , which , if ...
... HYDROGEN , OXYGEN AND NITROGEN . HYDROGEN AND OXYGEN . LET us now consider the three gases , hydrogen , oxygen and nitrogen , which constitute the remainder of the organic part of plants . Hydrogen and oxygen compose water , which , if ...
Seite 24
... hydrogen and oxygen unite and form water , which is parted with usually in the form of an invisible vapor . The atmosphere of course contains greater or less quantities of watery vapor arising from this cause and from the evaporation of ...
... hydrogen and oxygen unite and form water , which is parted with usually in the form of an invisible vapor . The atmosphere of course contains greater or less quantities of watery vapor arising from this cause and from the evaporation of ...
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Häufige Begriffe und Wortgruppen
absorbent agricultural alkali ammonia amount analysis animal manures applied ashes become bones burning bushels carbonic acid causes CHAPTER character charcoal chemical chloride of lime chlorine clay compost compound condition consists constituents cultivation decay decomposed decomposition deficient deposited depth drains dung earth effect escape evaporation excrements farmer farming fertilizing gases fertilizing matter grain growth guano heap heat hydrogen important improved inches ingredients inorganic kinds land large quantities leaching lime and salt liquid manure magnesia Mapes mechanical mechanical character mineral manures mineral matter moisture mulching necessary night soil nitric acid nitrogen nure obtain organic manures organic matter oxygen particles phosphate of lime phosphoric acid plaster potash prepared muck prevent produce pulverized rains removed render roots of plants salt mixture sand silica slaked slaked lime soda soils contain soluble straw sub-soil plow substances sufficient sulphuric acid super-phosphate of lime supply surface soil tain tion under-draining valuable weeds
Beliebte Passagen
Seite 148 - It is not necessary that*-4his and the foregoing table should be learned by the scholar, but they will be found valuable for reference by the farmer. MANURES. Example 1. — Required, the number of loads necessary to manure an acre of ground, dividing each load into six heaps, and placing them at a distance of 44 yards from each other ? The answer by the table is 39f . Example 2.
Seite 235 - ... the sub-soil plow, by passing through it, opens a passage for water, and often affords a sufficient drainage. If plants will grow better on a soil six inches deep than on one of three inches, there is no reason why they should not be benefited in proportion, by disturbing the soil to the whole depth to which roots will travel—even to a depth of two feet.