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 5
... produces many results , so common to our observation , that we are thoughtless of their origin . On these results depend the existence of man and the lower animals . No man should be ignorant of their production . In the early ...
... produces many results , so common to our observation , that we are thoughtless of their origin . On these results depend the existence of man and the lower animals . No man should be ignorant of their production . In the early ...
Seite 6
... produced by a combina- tion of particles equally small . They are not mysteriously combined , nor irregularly , but ... produce pleasure to the thoughtful , and profit to the practical . CONTENTS . SECTION FIRST . THE PLANT . PAGE 11 6 ...
... produced by a combina- tion of particles equally small . They are not mysteriously combined , nor irregularly , but ... produce pleasure to the thoughtful , and profit to the practical . CONTENTS . SECTION FIRST . THE PLANT . PAGE 11 6 ...
Seite 12
... is burned ? What do we call the two divisions produced by burning ? Where does organic matter originate ? Inorganic ? How much of chemistry should farmers know ? know enough of chemistry to understand the nature of the 12 THE PLANT .
... is burned ? What do we call the two divisions produced by burning ? Where does organic matter originate ? Inorganic ? How much of chemistry should farmers know ? know enough of chemistry to understand the nature of the 12 THE PLANT .
Seite 19
... produces the same results . The respiration ( or breathing ) of animals is simply the union of the carbon of the ... producing a new supply , and the blue smoke issuing from the cottage - chimney , as described by so many poets ...
... produces the same results . The respiration ( or breathing ) of animals is simply the union of the carbon of the ... producing a new supply , and the blue smoke issuing from the cottage - chimney , as described by so many poets ...
Seite 26
... produced by watering with spring water , unless it be previously mixed with ammonia , in which case the result will be the same . Although ammonia is a gas and pervades the atmosphere , few , if any , plants can take it up , as * By ...
... produced by watering with spring water , unless it be previously mixed with ammonia , in which case the result will be the same . Although ammonia is a gas and pervades the atmosphere , few , if any , plants can take it up , as * By ...
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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.