The Elements of Agriculture: A Book for Young Farmers, with Questions Prepared for the Use of SchoolsD. Appleton, 1854 - 288 Seiten |
Im Buch
Ergebnisse 1-5 von 62
Seite 7
... Ashes of Plants , " VIII . - Recapitulation , • SECTION SECOND . THE SOIL . CHAPTER I. - Formation and Character of the Soil , II . - Uses of Organic Matter , III . - Uses of Inorganic Matter , SECTION THIRD . MANURES . CHAPTER I ...
... Ashes of Plants , " VIII . - Recapitulation , • SECTION SECOND . THE SOIL . CHAPTER I. - Formation and Character of the Soil , II . - Uses of Organic Matter , III . - Uses of Inorganic Matter , SECTION THIRD . MANURES . CHAPTER I ...
Seite 12
... ashes . In this way we make an important division in the constituents of plants . One portion dissipates into the atmosphere , and the other remains as ashes . That part which burns away during combustion is called organic matter ; the ...
... ashes . In this way we make an important division in the constituents of plants . One portion dissipates into the atmosphere , and the other remains as ashes . That part which burns away during combustion is called organic matter ; the ...
Seite 13
... 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 protected from the air , its carbon becomes char- coal . All plants contain this substance , it forming ...
... 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 protected from the air , its carbon becomes char- coal . All plants contain this substance , it forming ...
Seite 29
... ashes left after burning vegetable substances . This we have called inorganic matter , and it is obtained from the ... ashes called ? How many kinds of matter are there in the ashes of plants ? Into what three classes may they be divided ...
... ashes left after burning vegetable substances . This we have called inorganic matter , and it is obtained from the ... ashes called ? How many kinds of matter are there in the ashes of plants ? Into what three classes may they be divided ...
Seite 30
... ashes of plants are four in number ; they are potash , 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 ...
... ashes of plants are four in number ; they are potash , 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 ...
Andere Ausgaben - Alle anzeigen
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.