The Botany of Crop Plants; a Text And Reference book
The book The Botany of Crop Plants; a Text And Reference book was written by author Robbins, Wilfred William, 1884-1952 Here you can read free online of The Botany of Crop Plants; a Text And Reference book book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Botany of Crop Plants; a Text And Reference book a good or bad book?
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intermediate; C. tankard; D. globe. {After Fercival.) Types. — As to shape, there are four well-recognized types of mangels (Fig. 128): 1. Globe.- — In these varieties, the roots are globular, and project above ground for more than half their length (Yellow Globe, Orange Globe). 2. Tankard.- — Varieties of this type have roots which are 314 BOTANY OF CROP PLANTS almost cylindrical, and narrow abruptly at both ends. The roots are comparatively small (Golden Tankard). 3. Oval or ^^Intermediate.'"...- — The roots in these are oval, and intermediate in shape between globe and long varieties. They vary in color (Giant Intermediate). 4. Long. — Roots of this type are several times longer than broad and project above the soil for a considerable propor- tion of their length. They are heavy yielders. Both red and yellow-skinned varieties (Long Red, Long Yellow) occur. The ox-horn varieties have long twisted and horn-hke roots. Composition and Uses.^ — I'he mangels vary in sugar con- tent from 3 to 8 per cent., the Golden Tankard and Globes having the highest percentage.
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