New Zealand Journal of Agricultural Research abstracts
Effects of phosphorus and nitrogen applications and Rhizobium inoculation on the yield and nutrient uptake of sainfoin (Onobrychis viciifolia L.) under irrigated conditions in Turkey
S. Tufenkci1
M. Erman2*
F. Sonmez1
1Yuzuncu Yil University
Faculty of Agriculture, Department of Soil Science
65080 Van, Turkey
2Yuzuncu Yil University
Faculty of Agriculture, Department of Field Crops
65080 Van, Turkey
*Author for correspondence.
Abstract This study was carried out to determine the effects of phosphorus and nitrogen applications and Rhizobium
inoculation on the yield and nutrient uptake in sainfoin grown in Van,
Turkey, in 2002 and 2003. Nitrogen application significantly increased
plant height, and fresh forage and hay yields, in both years. The
highest values were obtained from the 40 kg ha–1 N. Applications over 40 kg ha–1 N decreased these parameters. Nitrogen at 40 kg ha–1 also resulted in the highest nitrogen, phosphorus, and potassium contents of the plants. The application of 39 kg P ha–1
significantly increased plant height, and fresh forage and hay yields.
Phosphorus also increased nitrogen, phosphorus, and potassium contents.
Rhizobium inoculation significantly increased all the parameters
investigated over the control. The highest yield and nutrient contents
were obtained from the application 40 kg ha–1 N + 39 kg P ha–1 + Rhizobium inoculation.
Keywords sainfoin; inoculation; nitrogen; phosphorus; yield; Rhizobium
A04098;Received 8 November 2004; accepted 16 November 2005; Online publication date 9 March 2006
New Zealand Journal of Agricultural Research, 2006, Vol. 49: 101–105
0028–8233/06/4901–0101 © The Royal Society of New Zealand 2006
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