. Cyclopedia of farm crops, a popular survey of crops and crop-making methods in the United States and Canada;. Farm produce; Agriculture. 546 ROOT CROPS ROOT CROPS six, eight or ten inches as required, or by running the weeder across the rows. Singling to one plant may be done later. Two plants should not be left close together. The distance asunder varies with the different varieties, globes and tankards requir- ing more space than the long varieties. Shallow cultivation should begin as soon as the rows are discernible and be maintained every seven or ten days until the tops meet in the rows
. Cyclopedia of farm crops, a popular survey of crops and crop-making methods in the United States and Canada;. Farm produce; Agriculture. 546 ROOT CROPS ROOT CROPS six, eight or ten inches as required, or by running the weeder across the rows. Singling to one plant may be done later. Two plants should not be left close together. The distance asunder varies with the different varieties, globes and tankards requir- ing more space than the long varieties. Shallow cultivation should begin as soon as the rows are discernible and be maintained every seven or ten days until the tops meet in the rows. As soon as the plants are thinned they should re- ceive an application Of fifty pounds of nitrate of soda, which may be mixed with 200 pounds of salt or with some acid phosphate to give it bulk. This should be applied near the plants, but not on the leaves, since it may burn them, and should be culti- vated in. A second application may be given two weeks later. Mangels do well after clover, or after an inter- tilled crop which has been well manured, as cab- bages or corn, or after a grain crop. Sod land should be plowed one year before growing mangels on it. Harvesting and storing.—Mangels are usually pulled by hand, the tops twisted off and the roots stored in root cellars or in piles in the field. They should be harvested when dry and should not be roughly handled. Sugar-beets are generally plowed out, or a beet digger is used. When pitted in the field the piles are covered with straw and soil to a sufficient extent to prevent injury from rain or frost. It is important to keep beets cool in storage and see that they are well ventilated. Freshly harvested mangels tend to produce "scour- ing" in stock, hence it is not advisable to feed them until they have been stored for a few weeks. Feeding mangels. Mangels are grown for stock-feeding. The valu- able ingredient they contain is dry matter, which is almost entirely digestible and is comparatively easy to digest. T
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