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Journal of Biological Sciences

Year: 2005 | Volume: 5 | Issue: 6 | Page No.: 801-804
DOI: 10.3923/jbs.2005.801.804
The Effects of Sulfur and Humic Acid on Yield Components and Macronutrient Contents of Spinach (Spinacia Oleracea Var. Spinoza)
Hatice Aya and Fusun Gulser

Abstract: In this study, different doses of sulfur (0, 125, 250 and 375 g m 2) and humic acid (0, 10, 20 and 30 g m 2) were incorporated into soil to determine the effects of sulfur (S) and humic acid (HA) on yield components and nutrient contents in spinach. The applications of HA increased total yield of spinach. The relationship between increasing doses of S and HA with the total yield was found significant (p<0.05). But the relationships between doses of S and HA with yield components of spinach were not significant statistically. According to the results, increasing doses of S and HA increased N and P contents in plants. The relationships between HA doses and N content of plant were found significant (p>0.05). But, none of the application did affect K, Ca and Mg contents in plants statistically.

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How to cite this article
Hatice Aya and Fusun Gulser , 2005. The Effects of Sulfur and Humic Acid on Yield Components and Macronutrient Contents of Spinach (Spinacia Oleracea Var. Spinoza). Journal of Biological Sciences, 5: 801-804.

Keywords: yield, spinach, humic acid, Sulfur and macronutrients

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