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001-es BibID:	BIBFORM036078
Első szerző:	Karancsi Lajos Gábor (agrármérnök)
Cím:	Study of the effect of fertilization of maize (Zea mays L.) in crop years with different water-supply / Karancsi Lajos Gábor, Pepó Péter
Dátum:	2012
Megjegyzések:	We examined nutrient reaction of maize hybrid SY Flovita on chernozem soil in 2010, 2011 in a long-term experiment. We studied the crop yield on six different nutrient levels (control, N30+PK, N60+PK, N90+PK, N120+PK, N150+PK). We determined that in 2010 the average yield values were between 9053 kg ha-1?11642 kg ha-1, while in 2011 they were between 10746 kg ha-1?15296 kg ha-1. In 2010, which was a year with beneficial water supply and less heat units we experienced maximum yield on N90+PK nutrient level, while in 2011, a year with average water supply and more heat units, on the N120+PK nutrient level. The study of extra yield per 1kg NPK fertilizer showed that largest yield increases were realized on N30+PK nutrient level the control treatment in both years (21.3 kg in 2010 and 45.4 kg in 2011). The yield increases decreased with the increase of nutrient levels (on N60+PK nutrient level, 7.4kg in 2010, 4.8 kg in 2011). From the examination of the hybrid's water utilization it can be concluded that in the different fertilizer treatments the water utilization in 2010 was worse than in 2011. The smallest crop yields per 1mm rainfall were experienced in the control treatment (15.3 kg mm-1 in 2010, 34.2 kg mm-1 in 2011), while the maximum yield (19.7 kg mm-1) was obtained on N90+PK level in 2010 and on N120+PK level in 2011 (48.7 kg mm-1). In both years water utilization of maize was better in Nopt.+PK treatment compared to the control treatment.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok konferenciacikk yield maize crop year fertilization
Megjelenés:	Növénytermelés. - 61 : Suppl. (2012), p. 89-92. -
További szerzők:	Pepó Péter (1955-) (agrármérnök)
Pályázati támogatás:	TÁMOP-4.2.2/B-10/1-2010-0024 TÁMOP
Internet cím:	Intézményi repozitóriumban (DEA) tárolt változat DOI
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