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Effects of Fallow-Wheat and Lentil-Wheat Rotation Systems on Wheat Yield and Soil Water Storage in Dry Farming Areas

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Author(s): Mehmet Ulker | Vahdettin Ciftc

Journal: Journal of Biological Sciences
ISSN 1727-3048

Volume: 7;
Issue: 8;
Start page: 1458;
Date: 2007;
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Keywords: water storage efficiency | water content | lentil | wheat | Fallow | yield

ABSTRACT
This research was carried out on dry farming areas in four locations around Van lake Basin in the eastern Turkey between 1998 and 2001. The aim of the experiment was to determine the effects of fallow and winter lentil (Lens culinaris) on wheat (Triticum aestivum) yield and the available water content in soil layers between 0 and 120 cm after fallow and lentil treatments. The experimental design was a randomized block with 4 replications. The results indicated that the highest water contents occurred in fallow plots in all locations. The highest fallow efficiency was observed in Ercis (9.4%) and the lowest was in Adilcevaz (-8.8%). Wheat yield was significantly reduced by lentil in all locations. Growing winter lentil was more profitable than fallow. Therefore, wheat-winter lentil rotation system is recommended in all locations.
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