The Elements of Agriculture
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Оглавление
George Edwin Waring. The Elements of Agriculture
ELEMENTS. OF. AGRICULTURE
TO THE STUDENT
SECTION FIRST. THE PLANT
CHAPTER I
CHAPTER II
CHAPTER III
CHAPTER IV
CHAPTER V
CHAPTER VI
CHAPTER VII
CHAPTER VIII
SECTION SECOND. THE SOIL
CHAPTER I
CHAPTER II
CHAPTER III
SECTION THIRD. MANURES
CHAPTER I
CHAPTER II
CHAPTER III
CHAPTER IV
CHAPTER V
CHAPTER VI
CHAPTER VII
CHAPTER VIII
CHAPTER IX
CHAPTER X
CHAPTER XI
SECTION FOURTH. MECHANICAL CULTIVATION
CHAPTER I
CHAPTER II
CHAPTER III
CHAPTER IV
CHAPTER V
CHAPTER VI
SECTION FIFTH. ANALYSIS
CHAPTER I
CHAPTER II
THE PRACTICAL FARMER
EXPLANATION OF TERMS
Отрывок из книги
This book is presented to you, not as a work of science, nor as a dry, chemical treatise, but as a plain statement of the more simple operations by which nature 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 prosecution of the study, you will find, perhaps, nothing to relieve its tediousness; but, when the foundation of agricultural knowledge is laid in your mind so thoroughly that you know the character and use of every stone, then may your thoughts build on it fabrics of such varied construction, and so varied in their uses, that there will be opened to you a new world, even more wonderful and more beautiful than the outward world, which exhibits itself to the senses. Thus may you live two lives, each assisting in the enjoyment of the other.
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The leaves are absorbing carbonic acid from the atmosphere, and the roots are drinking in water from the soil.
Under the influence of daylight, the carbonic acid is decomposed; its oxygen returned to the atmosphere, and its carbon retained in the plant.
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