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Drainage outflow in different pipe-drainage variants on gleyc podzoluvisol in the Sava River valley (CROSBI ID 111613)

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Petošić, Dragutin ; Tadić, Lidija ; Romić, Davor ; Tomić, Frane Drainage outflow in different pipe-drainage variants on gleyc podzoluvisol in the Sava River valley // Irrigation and drainage, 53 (2004), 1; 17-27. doi: 10.1002/ird.111

Podaci o odgovornosti

Petošić, Dragutin ; Tadić, Lidija ; Romić, Davor ; Tomić, Frane

engleski

Drainage outflow in different pipe-drainage variants on gleyc podzoluvisol in the Sava River valley

Five-year investigation (1995-99) were carried out on the experimental drainage field "Jelenscak", Kutina, in Croatia. The field is situated in the Sava River valley, on gleyic podzoluvisol. The trial involved eight pipe drainage variants, differing in drainpipe spacing and backfilling. Drainpipe spacing of 15, 20, 25 and 30 m with gravel backfill and spacing of 10, 15, 20 and 25 m without gravel backfill were tested. . The shortest duration of drainage outflow was recorded in the variant with a drainpipe spacing of 15 m with gravel backfill and in the variant with a drainpipe spacing of 10 m without gravel backfill. These values are significantly different (P<0.01) compared to the values obtained in the other variants. Average monthly drainage outflows in the said two drainage variants are also significantly higher compared to the test variant (P<0.01). The outflow peak in the studied variants ranged from 12.3 mm/day up to 64.9 mm/day. Drainage outflows during the four-year period (1996-99) calculated using the numerical model SWAP-93, were confirmed by direct measurements on the tral field with 95, 8 % precision.

drainage; drainage rate; groundwater; excess water; drainage

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Podaci o izdanju

53 (1)

2004.

17-27

objavljeno

1531-0361

10.1002/ird.111

Povezanost rada

Građevinarstvo, Poljoprivreda (agronomija)

Poveznice