. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. 50 SOIL AN IMPORTANT FACTOR 1. It respires. 2. It transpires—^moistm^e is given off, particularly from the leaves. 3. It takes in substances (raw materials): (a) Carbon dioxide, (h) water/ (c) salts (containing nitrogen and mineral elements). 4. It converts the raw materials into foods: (a) Protein, (6) carbohydrates, (c) fats. 5. It grows. 6. It stores foods. The Plant a Factory.—^As soon as the seedling establishes itself in the soil it shifts its dependence for food from that stored in
. Productive soils; the fundamentals of successful soil management and profitable crop production. Soils. 50 SOIL AN IMPORTANT FACTOR 1. It respires. 2. It transpires—^moistm^e is given off, particularly from the leaves. 3. It takes in substances (raw materials): (a) Carbon dioxide, (h) water/ (c) salts (containing nitrogen and mineral elements). 4. It converts the raw materials into foods: (a) Protein, (6) carbohydrates, (c) fats. 5. It grows. 6. It stores foods. The Plant a Factory.—^As soon as the seedling establishes itself in the soil it shifts its dependence for food from that stored in the seed by its parent plant to that of its own manufacture. Thus. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Weir, Wilbert Walter, 1882-. Philadelphia London, J. B. Lippincott company
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsoils, bookyear1920
