. Diseases of economic plants. Plant diseases. General Diseases 25 Truck crops: asparagus, bean, carrot, celery, cucumber, eggplant, garden beet, garden pea, Irish potato, lettuce, muskmelon, okra, onion, pepper, salsify, spinach, straw- berry, tomato. Woody plants: almond, catalpa, cherry, European elm, fig. Old World grapevine, mulberry, peach, pecan, Persian walnut, weeping Fig. 6. — Root-knot (nematode) on salsify. Original. In limited areas soil disinfection (p. 460) may be em- ployed. Thorough cultivation and fertilization induces the roots of perennials to extend deeper into th
. Diseases of economic plants. Plant diseases. General Diseases 25 Truck crops: asparagus, bean, carrot, celery, cucumber, eggplant, garden beet, garden pea, Irish potato, lettuce, muskmelon, okra, onion, pepper, salsify, spinach, straw- berry, tomato. Woody plants: almond, catalpa, cherry, European elm, fig. Old World grapevine, mulberry, peach, pecan, Persian walnut, weeping Fig. 6. — Root-knot (nematode) on salsify. Original. In limited areas soil disinfection (p. 460) may be em- ployed. Thorough cultivation and fertilization induces the roots of perennials to extend deeper into the soil, thus reach- ing below the nematode zone, affording at least temporary alleviation. Three years of rotation with non-susceptible crops as corn, timothy, red-top, velvet beans, resistant cowpeas, barley, winter rye, or oats with care to keep down susceptible weeds largely reduces the amount of soil 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 Stevens, Frank Lincoln, 1871- [from old catalog]; Hall, John Galentine, 1870- [from old catalog] joint author. New York, The Macmillan company
Size: 1260px × 1982px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
