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Determination Of Sowing Dates Of Sweet Corn (Zea Mays L. Saccharata Sturt.) Under Şanlıurfa Conditions, Abdullah Öktem, A. Gülgün Öktem, Yalçin Coşkun
Determination Of Sowing Dates Of Sweet Corn (Zea Mays L. Saccharata Sturt.) Under Şanlıurfa Conditions, Abdullah Öktem, A. Gülgün Öktem, Yalçin Coşkun
Turkish Journal of Agriculture and Forestry
This study was conducted to determine optimum sowing dates for sweet corn in the Southeastern Anatolia region. The research was carried out at the Agricultural Research Station of Harran University in Şanlıurfa during 2000 and 2001. Sowing dates were April 25, May 10, May 25, June 10, June 25, July 10, July 25 and August 10. Based on the sowing dates, fresh ear yield, duration of tasseling, ear diameter, kernel numbers per ear, single fresh ear weight and husk ratio parameters were statistically significant (**P < 0.01) in both years. The highest fresh ear yields were 177.51 and 172.30 kg ha^{-1} for the 25 July sowing date in 2000 and 2001, respectively. The lowest fresh ear yields were 18.24 and 15.53 kg ha^{-1} for the April 25 sowing date in 2000 and 2001, respectively. Fresh ear yield decreased with early sowing dates (from April 25 to June 25) in both years. The results indicate that optimal sowing dates for sweet corn could be from June 25 to July 25 in Şanlıurfa and similar Southeastern Anatolia regions.
Effects Of Different Sowing Date And Intrarow Spacing On Yield And Some Agronomic Traits Of Safflower (Carthamus Tinctorius L.) Under Harran Plain's Arid Conditions*, Abdulhabi̇p Özel, Tuncay Demi̇rbi̇lek, M. Ati̇lla Gür, Osman Çopur
Effects Of Different Sowing Date And Intrarow Spacing On Yield And Some Agronomic Traits Of Safflower (Carthamus Tinctorius L.) Under Harran Plain's Arid Conditions*, Abdulhabi̇p Özel, Tuncay Demi̇rbi̇lek, M. Ati̇lla Gür, Osman Çopur
Turkish Journal of Agriculture and Forestry
This study was conducted to determine the suitable sowing date and intrarow spacing for safflower (Carthamus tinctorius L.) under Harran Plain's arid conditions during the 1998-1999 and 1999-2000 winter growing seasons. Four sowing dates (mid-October, early November, mid-November and early December) and 5 intrarow spacings (5 cm, 10 cm, 15 cm, 20 cm and 25 cm) were applied. Dinçer-118 was used as the safflower cultivar. Seed yield (1191.7-667.5 kg ha^{-1}), oil content (35.48-25.66%), oil yield (389.4-175.9 kg ha^{-1}), shell rate (50.37-39.33%) and 1000-seed weight (36.71-29.22 g) were investigated and all parameters measured were significantly affected by the treatments. The results …