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KMID : 0903519700130030261
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1970 Volume.13 No. 3 p.261 ~ p.268
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Varietal Differences of Soybean in A - Values
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Abstract
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1. A-value in the soils studied in this experiment were found to be about 40-50㎏/10a (as P₂O_5)
2. Percentage of utilized phosphorus in Soybeans was 10%.
3. The utilization and A-value of phosphorus were very different among the varieties of soybean plants, and the range was about 30%.
4. A/M-value (A means maximum value of total amount of available phosphorus and M means minimum value of absorbed phosphorus by plants from soils) indicated the critical range of available phosphorus to the crops.
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