Abstract
ABSTRACTThis study was carried out randomized complete blocks design with three replications during the growing seasons of 2010 and 2011 to compare the effects of conventional and organic production systems on yield, quality, and plant characteristics of Nantindo determinate carrot cultivar. In our study cow manure, sheep manure, poultry manure, seaweed, and conventional applications were made. As for average yield, the five-ton poultry manure application was the highest (5.91 t/ha−1) whereas control application was the lowest (3.37 t/ha−1). The widest root diameter, longest root length, the highest root weight, total soluble solids content, total sugar content, antioxidant activity were determined in different doses of poultry manure applications. A correlation between the examined quality and plant characteristics was determined. The other the most dry matter (11.80%), phenolic matter (188.98 mg.10−2g−1 GAE) and β carotene (205.95 µg.g−1) contents was determined in conventional application. The different doses poultry manure application on growth and yield of carrot were determined a positive effect.
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