Elementary Lessons in the Principles of Agriculture: Specially Adapted to the Requirements of the New Code of 1882 (Classic Reprint) - Tapa blanda

Excerpt from Elementary Lessons in the Principles of Agriculture: Specially Adapted to the Requirements of the New Code of 1882

But the members of the vegetable kingdom plants - can feed on mineral matter. In the first volume of this book we have seen how the portion Of the soil which dissolves in water, or in water containing a little of certain weak acids, is used by plants as food. Entering by the root, this soluble or active part of the soil acts as food to the plant, sustaining and nourishing it, building up its cells and tissues, and helping to form the root, stem, branches, leaves, flowers, and fruit. It is true that there is one division of plants - the funguses, or mushrooms - which cannot live on mineral food, but which prefer decaying animal or vegetable matter; but these form an exception. We see, then, that there is a marked difference between the food of animals and the food of plants. The food of ani mals is chiefly organic matter, but the food of plants is chiefly inorganic (or mineral) matter.

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