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Joint International Conference on Long-term Experiments ...

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Table 4. Correlati<strong>on</strong> coefficient between extracting soluti<strong>on</strong>s sorted by texture<br />

Aspects of sort Extractant Lakanen-Erviö CaCl2-DTPA Summarized<br />

n=27<br />

KCl-EDTA<br />

CaCl2-DTPA<br />

0.82<br />

0.73<br />

0.89<br />

Sand KCl-EDTA 0.98<br />

0.91<br />

Zn<br />

n=8<br />

Loam<br />

CaCl2-DTPA<br />

KCl-EDTA<br />

0.87<br />

0.26<br />

0.38<br />

n = 11 CaCl2-DTPA 0.69<br />

Clay KCl-EDTA 0.94<br />

0.92<br />

n=8 CaCl2-DTPA 0.95<br />

Summarized KCl-EDTA 0.81<br />

0.91<br />

n=27 CaCl2-DTPA 0.87<br />

Sand KCl-EDTA 0.17<br />

0.36<br />

Cu<br />

n=8<br />

Loam<br />

CaCl2-DTPA<br />

KCl-EDTA<br />

0.91<br />

0.83<br />

0.69<br />

n = 11 CaCl2-DTPA 0.66<br />

Clay KCl-EDTA 0.79<br />

0.96<br />

n=8 CaCl2-DTPA 0.82<br />

Table 5. Correlati<strong>on</strong> coefficient between extracting soluti<strong>on</strong>s sorted by lime c<strong>on</strong>tent<br />

Aspects of sort Extractant Lakanen-Erviö CaCl2-DTPA Summarized<br />

n=27<br />

KCl-EDTA<br />

CaCl2-DTPA<br />

0.82<br />

0.73<br />

0.89<br />

Zn<br />

N<strong>on</strong>-calcareous<br />

soils n = 18<br />

KCl-EDTA<br />

CaCl2-DTPA 0.88<br />

0.93<br />

0.87<br />

Calcareous soils<br />

n=9<br />

KCl-EDTA<br />

CaCl2-DTPA 0.98<br />

0.95<br />

0.96<br />

Cu<br />

Summarized<br />

n=27<br />

N<strong>on</strong>-calcareous<br />

soils n = 18<br />

KCl-EDTA<br />

CaCl2-DTPA<br />

KCl-EDTA<br />

CaCl2-DTPA 0.81<br />

0.87<br />

0.83<br />

0.89<br />

0.91<br />

0.92<br />

Calcareous soils<br />

n=9<br />

KCl-EDTA 0.86 0.69<br />

267

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