. Cyclopedia of farm crops, a popular survey of crops and crop-making methods in the United States and Canada;. Farm produce; Agriculture. Fig. 389. Home garden coldframes and seed-boses. (Garden of Luther Burbank.) nearly as possible this should be the same as would be required for the best germination in the open ground. The best temperature for radishes, turnips, cabbage, lettuce, beets, celery, parsnips, grasses, and the like, is 40° to 50° at night and 50° Fig. 390. Method of forcing rhubarb by means of half-barrels. a little fine hay or rowen to keep the surface of the ground moist; but
. Cyclopedia of farm crops, a popular survey of crops and crop-making methods in the United States and Canada;. Farm produce; Agriculture. Fig. 389. Home garden coldframes and seed-boses. (Garden of Luther Burbank.) nearly as possible this should be the same as would be required for the best germination in the open ground. The best temperature for radishes, turnips, cabbage, lettuce, beets, celery, parsnips, grasses, and the like, is 40° to 50° at night and 50° Fig. 390. Method of forcing rhubarb by means of half-barrels. a little fine hay or rowen to keep the surface of the ground moist; but if too much is put on it will cause them to decay. Cultivation and protection.—No crop, either of fruit or vegetables, will grow without some culti- vation and care and protection from insects and fungous pests. As suggested in Pig. 379, all crops should be arranged in rows wide enough so that the work of stirring the soil may be done with the horse. With a fine-tooth cultivator this may be done even with plants that grow from very fine seeds, like celery, onions and carrots. To preserve regular distances between the centers of rows, and to occupy the land closely, onions, carrots or other small-topped plants may be sown in double rows ; that is, there may be two rows one foot apart, with two and one-half or three feet clear space for cul- tivation to the next two rows one foot apart. Harvesting the vegetable crop.—^Early vegetables are of little value if left in the ground long after they have reached the size for table use. Radishes, turnips, beets, kohlrabi and similar root crops become fibrous and woody, while lettuce, spinach, cabbage, cauliflower and the like run to seed. Therefore, if there is any surplus of summer vege- tables not needed by the family, it should be gath- ered and disposed of so that plant-food may not be taken from the ground. All winter vegetables should be tender and succulent when gathered and should be stored in a cool, slightly moist place,
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