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KMID : 0903519730160010041
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1973 Volume.16 No. 1 p.41 ~ p.48
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Studies on the Use of Radioisotope Tracer Technique to Investigate and Improve The Root Activities in Rice Plant [Ⅲ]
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이춘영/Lee. Chon Yong
안학수/정희돈/김규원/노준정/Ahn, Hak Soo/Chung, Hee Don/Kim, Kyu Won/Ro, Jun Chong
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Abstract
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1. Through out the entire stage of growth, the amount of nutrients, number of tillers and of spikes increased in the Simagcalin treated plot as compared with the control. The treated plot showed healthul growth at the later growing stage. On the other hand. management of irrigation water resulted in raised the grain straw ratio and retarded the culm height about 10%.
2. Application of Simagcalin greatly increased the content of phosphorus and magnesium at the harvesting time. The culm and sheath analyses are recommendable for the determination of magnesium deficiency.
3. The controled irrigation would effect root activity as the main factor, and Simagcalin might act as a secondary factor.
4. While the application of phosphorus may not affect the yield components, The basic elements in Simagcalin may enhance the uptake ov nutrients under heavy application of nitrogn.
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