Crop Production: An Agricultural Text for Schools

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D.C. Heath & Company, 1914 - Agriculture - 246 pages
 

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Page 204 - ... preferably, use a rubber band. Number this roll No. 1. Proceed similarly with roll No. 2 and those following. As many rolls may be used as are necessary to contain the samples which one has to test. From 20 to 50 ears' can be tested in each roll, depending upon the length of the cloth. Place the filled rolls in a bucket of water where they may remain for from 2 to 18 hours, at the convenience of the operator. Pour off the water at the end of this time and turn the bucket, or a common, dry-goods...
Page 204 - ... the ravelings sometimes disarrange the kernels. Mark each cloth with a heavy pencil lengthwise in the middle and then crosswise, as shown in the accompanying illustration, making subdivisions about 3 by 4 to 5 inches. Number the squares as indicated. Moisten a cloth with warm water — not hot — and lay it out on a board of convenient size in front of the ears which are to be tested. Remove six kernels from ear No. 1, one from near the butt, one from the middle and one from near the tip, and...
Page 204 - ... ears which are to be tested. Remove six kernels from ear No. 1, one from near the butt, one from the middle and one from near the tip, and similar numbers from similar locations on the opposite side, and place them in square No. 1 in the upper left hand corner of the cloth. Take in similar fashion six kernels from ear No. 2 and place in square No. 2 in the upper right hand corner; and so on. When the cloth has been filled, begin at the upper end (Nos. 1 and 2), and roll it up. If the cloth is...
Page 204 - If a small irregular shaped piece of wood or some other substance is used as a core in rolling, a more uniform germination may be secured. When the rolling of the cloth has been finished, tie a string rather loosely about the middle of the roll ; or better still, use a rubber band, and number this roll No.
Page 205 - ... small pieces of wood under the rolls and lift one edge of the pail from onehalf to one inch in order to afford sufficient ventilation. The kernels should be ready to examine in five days. Select, first, either roll No. 1 or the last roll filled, depending upon the arrangement of the ears. Unroll it in front of the ears which are represented. Examine all kernels carefully. Discard any ear in which all six kernels are not strong in germination. For the Rag Doll it may be said : 1. That it is the...
Page 204 - ... in similar fashion six kernels from ear No. 2 and place in square No. 2 in the upper right hand corner; and so on. When the cloth has been filled, begin at the upper end (Nos. 1 and 2), and roll it up. If the cloth is properly moistened the kernels should not push out of place. If a small, irregular piece of wood or some other substance is used as a core in rolling, a more uniform germination may be secured. Tie a string rather loosely about the middle of the roll, or, preferably, use a rubber...
Page 204 - ... agricultural seed. Secure sheeting of a good quality and tear it into strips from eight to ten inches wide and three to five feet long. If they are to be used much, the edges may be hemmed for the reason that when unrolled the ravelings sometimes disarrange the kernels. Mark each cloth with a heavy pencil lengthwise in the middle and then crosswise, as shown in the accompanying illustration, making subdivisions about 3 by 4 to 5 inches. Number the squares as indicated. Moisten a cloth with warm...
Page 204 - No. 3 in the next square on the left hand side, and ear No. 4 in a corresponding position on the right side. When the cloth has been filled begin at the upper end with ears Nos. 1 and 2, etc.. and roll the cloth up. Since the cloth is moistened the kernels will not push out of place. If a small irregular shaped piece of wood or some other substance is used as a core in rolling, a more uniform germination may be secured. When the rolling of the cloth has been finished, tie...

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