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Abstract


21 Effect of Some Cover Systems on Total and Early Season Yields of Pepper Under The Samsun Province Conditions of Turkey
This study was conducted to determine effectiveness of some cover systems on the early season yield and total yield of pepper in the Black-Sea region of Turkey between the years 2001–2003. As experiment materials, green pepper cultivar Çetinel 150 which has being grown in the region conventionally, black, yellow and transparent polyethylene covers as well as Agryl were used. Three planting dates, black mulch and low plastic tunnel treatments were combined in different ways and experiments were designed with total 10 treatments and four replications. Growing in open field conditions which was a producer practice was tested in the experiments as a comparison treatment. As a result of the study, maximum yields regarding early, medium, late seasons (9,150-30,470-6,470 tons/ha respectively) as well as maximum total yield (46,110 Tons/ha) were obtained from April 1 planting and Agryl cover combination whereas minimum yields regarding early, medium, late seasons (4,130-19,170-3,680 tons/ha respectively) as well as minimum total yield (26,980 tons/ha) were obtained from May 1 planting which was conventional farmer treatment or comparison treatment. April 1 planting and Agryl cover combination increased the total, early, medium and late season yields 1.70, 2.21, 1.58 and 1.75 fold more comparing to May 1 planting, respectively.

Keywords
Pepper, Cover systems, Total yield, Early season yield


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