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Joint International Conference on Long-term Experiments ...

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chernozem soil in all pots either. The increased N fertilizer doses caused significant<br />

improvement in CaCl2-total N c<strong>on</strong>centrati<strong>on</strong> measured <strong>on</strong> both types of soils. Effect of<br />

Phylaz<strong>on</strong>it slightly increased values of CaCl2-total N <strong>on</strong> chernozem soil, but<br />

significantly decreased these values <strong>on</strong> sandy soil.<br />

Table 9. Summary of ANOVA (F-test) for different source of variance for NO3 - - N<br />

measured in CaCl2 soil extracts<br />

Source of<br />

variati<strong>on</strong><br />

NO3 - - N<br />

<strong>on</strong> sandy soil <strong>on</strong> chernozem soil<br />

significance LSD5% significance LSD5%<br />

N fertilizati<strong>on</strong> *** 0.41 * 1.04<br />

Phylaz<strong>on</strong>it doses n. s. - ** 0.73<br />

n.s.:n<strong>on</strong>-significant; **:significant at P

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