The effects of tillage and nitrogen doses on water use efficiency, soil moisture and seed characters of safflower (Carthamus tinctorius L.) in wheat-safflower rotation system.

Book Title: NA
Year Published: 2005
Month Published: NA
Author: Kolsarc, Ö. ; Allusoglu, S. ; Kaya, M. D.
Book Group Author: NA

This research investigated the effects of the tillage and nitrogen doses on water use efficiency, soil moisture, seed yield and seed oil content in wheat-safflower rotation under Ankara conditions during 1996-1997. The experiment was established as split plots in randomized blocks with three replications. Tillage methods (zero tillage and conventional tillage) and nitrogen doses (0, 4, 8 and 12 kg N/da) were placed in main plots and sub-main plots, respectively. Safflower was planted directly to stubble after wheat harvest using zero tillage method. For tillage soil was cultivated with plough, cultivator and harrow, respectively. Yenice 5-38 and ammonium sulphate (21% N) were used as material and nitrogen source. The safflower sown in autumn was grown in dry conditions. According to the research results; the water use efficiency varied, for the conventional and zero tillage, between 0.24-0.26 kg/da/mm and 0.19-0.27 kg/da/mm during first year, and between 0.27-0.36 kg/da/mm and 0.18-0.25 kg/da/mm during second year. Soil moisture content increased with soil cultivation under each fertilizing. Seed yield in zero tillage reduced by 22.33-38.91%. Both tillage methods and nitrogen doses did not affect seed oil content.

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application rates, crop yield, cultivation, nitrogenfertilizers, no-tillage, plant water relations, rotations, safflower,seeds, soil water, tillage, water use efficiency, wheat, yieldcomponents, Carthamus tinctorius, Triticum, Triticum aestivum,Carthamus, Asteraceae, Asterales, dicotyledons, angiosperms,Spermatophyta, plants, eukaryotes, Triticum, Poaceae, Cyperales,monocotyledons, crop rotation, no-tillage systems, rotational cropping,soil cultivation, soil moisture, zero tillage, Horticultural Crops(FF003) (New March 2000), Plant Physiology and Biochemistry (FF060),Plant Nutrition (FF061), Plant Water Relations (FF062), Plant Production(FF100), Plant Cropping Systems (FF150), Soil Physics (JJ300),Fertilizers and other Amendments (JJ700), Soil Management (JJ900)

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