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 30
... soda , lime and magnesia . POTASH . When we pour water over wood ashes it dissolves the potash which they contain , and carries it through Is the character of a compound the same as that of its con- st uents ? Give an instance of this ...
... soda , lime and magnesia . POTASH . When we pour water over wood ashes it dissolves the potash which they contain , and carries it through Is the character of a compound the same as that of its con- st uents ? Give an instance of this ...
Seite 32
... SODA . Soda , one of the alkalies contained in . the ashes of plants , is very much the same as potash in its agricultural character . Its uses are the same as those of potash - before enumerated . Soda exists very largely in nature ...
... SODA . Soda , one of the alkalies contained in . the ashes of plants , is very much the same as potash in its agricultural character . Its uses are the same as those of potash - before enumerated . Soda exists very largely in nature ...
Seite 36
... soda , etc. , which are soluble in water , and therefore What is sulphuric acid composed of ? What is plaster ? What is silica ? Why is it necessary to the growth of plants ? What compounds does it form with alkalies ? available to ...
... soda , etc. , which are soluble in water , and therefore What is sulphuric acid composed of ? What is plaster ? What is silica ? Why is it necessary to the growth of plants ? What compounds does it form with alkalies ? available to ...
Seite 38
... soda , and common salt is usually the best source from which to obtain both soda and chlorine . Chlorine unites with lime and forms chloride of lime , which is much used to absorb the unpleasant odors of decaying matters , and in this ...
... soda , and common salt is usually the best source from which to obtain both soda and chlorine . Chlorine unites with lime and forms chloride of lime , which is much used to absorb the unpleasant odors of decaying matters , and in this ...
Seite 39
... Soda . Sulphuric acid . Phosphoric 66 Silica . Chlorine . Lime . Oxide of Iron . Magnesia . 66 Manganese * There is reason to suppose that alumina is an essential constituent of many plants . What can you say of the oxide of manganese ...
... Soda . Sulphuric acid . Phosphoric 66 Silica . Chlorine . Lime . Oxide of Iron . Magnesia . 66 Manganese * There is reason to suppose that alumina is an essential constituent of many plants . What can you say of the oxide of manganese ...
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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.