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Vodni deficit i njegov utjecaj na prinos kukuruza u Istočnoj Hrvatskoj


Jurišić, Mladen; Bukvić, Željko; Šumanovac, Luka; Milaković, Zlata; Kajfeš, Zoran; Perković, Anica
Vodni deficit i njegov utjecaj na prinos kukuruza u Istočnoj Hrvatskoj // XXVIIth Annual Meeting of ESNA/jointly organised with UIR, Ghent/Belgium, August 29 - September 2, 1997, Working Group 3, Soil - Plant - Relationships / Gerzabek, Martin H. (ur.).
Ghent: Osterreichisches Forschungszentrum Seibersdorf Ges.m.b.H, 1997. str. 114-120 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Vodni deficit i njegov utjecaj na prinos kukuruza u Istočnoj Hrvatskoj
(Wather defficit and its influence on corn yield in east Croatia)

Autori
Jurišić, Mladen ; Bukvić, Željko ; Šumanovac, Luka ; Milaković, Zlata ; Kajfeš, Zoran ; Perković, Anica

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
XXVIIth Annual Meeting of ESNA/jointly organised with UIR, Ghent/Belgium, August 29 - September 2, 1997, Working Group 3, Soil - Plant - Relationships / Gerzabek, Martin H. - Ghent : Osterreichisches Forschungszentrum Seibersdorf Ges.m.b.H, 1997, 114-120

Skup
XXVIIth Annual Meeting of ESNA/jointly organised with UIR

Mjesto i datum
Ghent, Belgija, 29.08.-02.09.1997

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Vlaga tla; vodni limiti; evapotranspiracija; deficit vlage tla; prinos kukuruza
(Soil moisture regime; hydrologycal limits; evapotranspiration; soil water deficit; corn yield)

Sažetak
Regime of water and moisture of loessive, semigley and hydromeliorated soil during two years on the Vinkovci area (eastern Croatia)was investigated. Instantaneous soil moisture content was measured per decades during vegetation in the layer of 0-30 and 30-60 cm in a demolished sample condition and via metal cylinders after Kopecky. When we compared them (calibrating) satisfied coincidence was achieved in a field and subfield layer expressed by high correlation coefficients (R=0.947**, R=0.862** in the first and R=0.933**, R=0.986** in the second researching year) which confirms justification of soil sampling in demolished soil sample condition by means of earth auger. Instantaneous soil moisture content was compared in relation to corn yield. The highest deficiencies were recorded in July and August when the corn is in the pretasseling/tasseling phase as well as in maize grain formation phase. These water deficiencies had the highest reflection on grain yield reduction which was in drier year at water deficiency during vegetation of 143 mm (June and July 131.5 mm) on the average of 5.591 t/ha. In the socond researching year total water deficits during vegetation were considerably lower and amounted to 94 mm which is significantely less than deficiencies monitoring for many years' period for this region with significantly higher average corn yield og 7.320 t/ha.

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)



POVEZANOST RADA


Projekt / tema
079309

Ustanove
Fakultet agrobiotehničkih znanosti Osijek