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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Hayriye Yildiz Dasgan1, Nazmi Cemaloglu1, Yelderem Akhoundnejad1, Gunce Akkuzu Dogan2 and Mahmut Bayram3
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DOI:10.17265/2161-6264/2016.03.003
Affiliation(s)
1. Department of Horticulture, Agricultural Faculty, Cukurova University, Adana 01330, Turkey
2. Balkan Sulfur, Fertilizer Limited Company, Istanbul 34956, Turkey
3. GAP Agricultural Research Institute, Sanliurfa 63040, Turkey
ABSTRACT
In this study, the
influence of four different sulfur products applied to the soil on the organically grown
greenhouse tomato was
investigated. The sulfur treatments were:
(1) micronized-sulfur
with bentonite (MSB) alone (90% sulfur + 10% bentonite); (2) MSB + Fe (87% sulfur + 10% bentonite + 3% Fe); (3) MSB + Zn (87% sulfur + 10% bentonite + 3% Zn); (4) MSB + Fe + Zn (86% sulfur + 10% bentonite + 2% Fe + 2% Zn) and (5) control without sulfur treatment.
The effects of sulfur products on plant growth, total crop yield, some fruit
quality parameters, Fe and Zn content of the leaves and soil, pH and electrical
conductivity (EC) of soil,
were investigated. Results
showed that the effects of
treatments on plant growth parameters and fruit quality properties were not
significant. However, total fruit yield increased by about 14%, 21%, 15% and
27% in MSB, MSB + Fe, MSB + Zn and MSB + Fe + Zn, respectively, as
compared with control. Leaves Fe and Zn content were increased in some sampling
times in related treatments. Soil Fe content was not changed by the treatments, however Zn content
was significantly increased by the MSB + Zn and MSB + Fe + Zn applications. Soil pH was decreased by the all
sulfur treatments in comparison to control; however the most important pH
decrease was recorded as 0.28 units in MSB
+ Fe + Zn treatment. Soil EC values of the all sulfur
treatments were higher than the control.
KEYWORDS
Organic greenhouse, micronized-sulfur with bentonite, Solanum lycopersicum, soil pH, Fe, Zn.
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