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SVERIGES LANTBRUKSUNIVERSITET - Epsilon Open Archive - SLU

SVERIGES LANTBRUKSUNIVERSITET - Epsilon Open Archive - SLU

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Tabell l. Beregnete av11ngsutslag, aktuell fordamp1ng, vann1ngsmengder<br />

og avrenning ved u11ke vanningsstrategier. Ta11ene er midde1-<br />

verdier for 1963-1987 ved Kise forskingsstasjon. Beregningene<br />

er gjort for en jordart med 90 mm ti1gjenge1ig vann.<br />

Strate'li1 KORN POTET GULROT Lm<<br />

I 100.0 100.0 100.0 100.0<br />

II 99.8 99.3 99.0 99.8<br />

Relativ III 97.1 98.4 96.6 95.1<br />

avl1ng% IV 96.8 96.6 94.0 94.7<br />

V 90.9 94.0 90.9 89.9<br />

Uvannet 84.2 77.8 78.0 85.0<br />

I 288 291 275 296<br />

Aktuell II 287 290 273 294<br />

fordamping III 285 289 272 291<br />

(mm, mai-sept.) IV 281 287 270 288<br />

V 278 284 267 284<br />

Uvannet 260 264 256 265<br />

I 89 105 84 110<br />

II 77 91 69 88<br />

Vannings- III 67 7l 62 76<br />

mengder (mm) IV 49 56 51 53<br />

V 38 50 36 47<br />

I 120 131 129 130<br />

II 110 121 118 112<br />

Avrenning III 101 101 113 104<br />

(mm, mai-sept.) IV 89 91 105 86<br />

Tabell 1. forts.<br />

1 ) Underskudd far vanning (mm)<br />

80<br />

V 82 87 91 83<br />

Uvannet 68 7l 81 69<br />

Strategi Farste vekststad1um Annet vekststadium<br />

I 22,5 22,5<br />

II 22,5 45<br />

III 45 45<br />

IV 45 67,5<br />

V 67,5 67,5

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