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| | BLT Research -- Clay-Mineral Crystallization Study |
 | | And, in one of the two Canadian cases, the farmer had mowed quite a bit of the field surrounding the formation prior to the BLT field-team's sampling, thus making it impossible to obtain both plant and soil samples at all the required locations. |
 | | The fourth case, a seven-circle formation (overall length 191 ft.) in barley at Edmonton, Alberta, Canada in September, 1999 was the only case of the four which could be examined within our budget and which also met all of our basic criteria and, so, it was chosen for the in-depth XRD study. |
 | | Control studies carried out by BLT over the last several years have shown that significant node-length increase and expulsion cavities do not occur in crop flattened by boards or planks, human feet or cement rollers, or to crop which has been 100% over-fertilized. |
| www.bltresearch.com /xrd.html (3556 words) |
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