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 8
... MECHANICAL CULTIVATION . CHAPTER I. - Mechanical Character of the Soil , . 209 " II . - Under - draining , 211 66 III .-- Advantages of Under - draining , € 217 IV . Sub - soil Plowing , 232 V. — Plowing and other modes of Pulverizing ...
... MECHANICAL CULTIVATION . CHAPTER I. - Mechanical Character of the Soil , . 209 " II . - Under - draining , 211 66 III .-- Advantages of Under - draining , € 217 IV . Sub - soil Plowing , 232 V. — Plowing and other modes of Pulverizing ...
Seite 70
... mechanical character of the soil , but have little reference to its fertility . By mechanical character , we mean those quali- ties which affect the ease of cultivation - excess or deficiency of water , ability to withstand drought ...
... mechanical character of the soil , but have little reference to its fertility . By mechanical character , we mean those quali- ties which affect the ease of cultivation - excess or deficiency of water , ability to withstand drought ...
Seite 73
... mechanical character ; but , if we look down the column , we notice that there are small quantities of lime , magnesia , and the other con- stituents of the ashes of plants ( except qx . of manganese ) . It is not necessary that they ...
... mechanical character ; but , if we look down the column , we notice that there are small quantities of lime , magnesia , and the other con- stituents of the ashes of plants ( except qx . of manganese ) . It is not necessary that they ...
Seite 94
... mechanical or chemical , or a combination of both . For instance : some kinds of manure improve the mechanical character of the soil , such as those which loosen stiff clay soils , or others which render light sandy soils compact- these ...
... mechanical or chemical , or a combination of both . For instance : some kinds of manure improve the mechanical character of the soil , such as those which loosen stiff clay soils , or others which render light sandy soils compact- these ...
Seite 150
... character , or inorganic manures . These manures have four kinds of action when applied to the soil . 1st . They ... mechanical condition of the soil . 4th . They absorb ammonia . Some of the mineral manures produce in the soil only one ...
... character , or inorganic manures . These manures have four kinds of action when applied to the soil . 1st . They ... mechanical condition of the soil . 4th . They absorb ammonia . Some of the mineral manures produce in the soil only one ...
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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.