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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... amount of good by writing it . * I have found in every chapter important truths , which I , as a would - be - farmer , needed to know , yet which I did not know , or had but a confused and glimmering consciousness of , before I read ...
... amount of good by writing it . * I have found in every chapter important truths , which I , as a would - be - farmer , needed to know , yet which I did not know , or had but a confused and glimmering consciousness of , before I read ...
Seite 13
... amount of knowledge may be easily acquir- ed , and should be possessed by every person , old or young , whether actually engaged in the cultivation of the soil or not . All are dependent on vegetable productions , not only for food ...
... amount of knowledge may be easily acquir- ed , and should be possessed by every person , old or young , whether actually engaged in the cultivation of the soil or not . All are dependent on vegetable productions , not only for food ...
Seite 17
... amount of this gas enters into the circulation of the plant , and is carried to those parts where it is required for decomposition . Plants , un- der favorable circumstances , may thus obtain about one - third of their carbon . Carbonic ...
... amount of this gas enters into the circulation of the plant , and is carried to those parts where it is required for decomposition . Plants , un- der favorable circumstances , may thus obtain about one - third of their carbon . Carbonic ...
Seite 20
... amount of circulating medium , and each dollar sent out permanently decreases it until re- turned , so the carbonic acid sent into the atmosphere by burning , decay , or respiration , becomes a permanent stock of constantly changeable ...
... amount of circulating medium , and each dollar sent out permanently decreases it until re- turned , so the carbonic acid sent into the atmosphere by burning , decay , or respiration , becomes a permanent stock of constantly changeable ...
Seite 21
... amount of vegetation . Thus we see that , in the provisions of nature , carbon , the grand basis , on which all organized matter is founded , is never permanent in any of its forms . Oxygen is the carrier which enables it to change its ...
... amount of vegetation . Thus we see that , in the provisions of nature , carbon , the grand basis , on which all organized matter is founded , is never permanent in any of its forms . Oxygen is the carrier which enables it to change its ...
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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.