TILLAGE EFFECTS ON SUNFLOWER (HELIANTHUS ANNUUS, L.) EMERGENCE, YIELD, QUALITY, AND FUEL CONSUMPTION IN DOUBLE CROPPING SYSTEM

2008, 9 (4)   p. 697-709

ABDULLAH SESSIZ, TAHSIN SOGUT, AYDIN ALP, RESAT ESGICI

Abstract

The relation between crop growing and soil tillage treatment are play important role in agricultural production. Soils under conventional tillage (CT) generally have lower bulk density and associated higher total porosity within the plough layer than under no tillage (NT). No-till farming can reduce soil erosion, conserve soil moisture and minimize labor and fuel consumption. The aim of this study were to investigate the effects of conventional, reduced and notillage methods on soil physical properties, sunfl ower yield and yield components, protein and oil content and fuel consumption in Southeastern of Turkey. Six tillage methods for the second crop sunfl ower were tested and compared each other within after lentil harvesting at 2003 and 2004 years in a clay loam soil. According to results, the fi rst year, the bulk density had decreased from 1.29 to 1.09 g cm-3, the second year the δb had decreased from 1.41 to 1.23 g cm-3. Differences between years and tillage methods in terms of yield were found signifi cant (p<0.05). However, no differences were found between the NT and CT. There were also no signifi cance differences in content of protein, oil and ash among six tillage methods. The highest fuel consumption was measured in conventional method (CT) whereas the lowest value was found in direct seeding method as 33.48 L ha-1 and 6.6 L ha-1, respectively.

Keywords

tillage, fuel consumption, soil physical properties, yield

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