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001-es BibID:	BIBFORM014252
Első szerző:	Nagy János (agrármérnök, mérnök-tanár)
Cím:	Impact of Fertilization and Irrigation on the Correlation between the Soil Plant Analysis Development Value and Yield of Maize / Nagy János
Dátum:	2010
ISSN:	0010-3624
Megjegyzések:	The degree of N supply in maize under non-irrigated and irrigated conditions was measured using a SPAD-502 portable chlorophyll meter in four years. The lowest readings were obtained from a plot that has not been fertilised for 23 years. The highest SPAD value in the non-irrigated treatments was obtained in 2004, whereas the lowest was measured in the drought year of 2007. In the irrigated treatments, there was a closer correlation between fertilisation and SPAD values during the four examined years. As the result of fertilisation, the average increase of SPAD values in the irrigated plots was higher than in the non-irrigated plots. The result of irrigation on SPAD values was significant every year (P<0.001) with the largest increase in the drought year of 2003. In the non-irrigated treatments, fertilisation and grain yield had a weak correlation, whereas in the irrigated treatments the correlation between the two variables was strong.
Tárgyszavak:	Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény külföldi lapban fertilization irrigation maize SPAD values Zea mays L yield
Megjelenés:	Communications in Soil Science And Plant Analysis. - 41 : 11 (2010), p. 1293-1305. -
Pályázati támogatás:	NKTH 00210/2008 Egyéb
Internet cím:	DOI Intézményi repozitóriumban (DEA) tárolt változat
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