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The effects of sewage sludge and nitrogen applications on grain sorghum grown [Sorghum vulgare L.] in Van-Turkey

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Akdeniz H., Yilmaz I., Bozkurt M. A., Keskin B.

Polish Journal of Environmental Studies

2006

tom 15

nr 1

The research was conducted in Van, located in the eastern Anatolia region of Turkey. The purpose of this research was to assess environmental hazards to crops and soils from sludge-borne heavy metal; and the potential of using sludge as an alternative to commercial fertilizer, yield, N content and uptake of grain sorghum (Sorghum vulgare L. A-298). Sorghum plants were grown on sandy clay soils under irrigated conditions. Three levels of biosolids were topically applied at rates of 7, 14 and 21 Mg ha⁻¹; and two level of nitrogen were also applied at rates of 40 and 80 kg ha⁻¹. The experimental design was a randomized complete block with four replications. Biosolids increased yields of dry matter and grain, plant length, N content of leaves, total N uptake and harvest index (HI). Grain yield was significantly correlated with plant length, N content of leaf and wholeplant, and total nitrogen uptake. Nitrogen harvest index (NHI) did not show significant correlation with any considered parameter other than harvest index. In contrast, nitrogen use efficiency (NUE) had a negative relationship with dry matter (DM) yield, N content of whole-plant, N content of grain and total N uptake. Diethylenetriamine pentaacetic acid (DTPA) extractable Cd, Pb and especially soil Zn concentrations increased with sewage sludge rates. In general, none of the heavy metals studied in both leaves and seed of crop reached either phytotoxic or toxic levels for humans or livestock [1]. The results showed that sewage sludge could be used as N fertilizer in grain sorghum production.

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Phytochemical profiles of wild grown blackberry and mulberry in Turkey

88%

Akin M., Eyduran S. P., Ercisli S., Yilmaz I., Cakir O.

Acta Scientiarum Polonorum. Hortorum Cultus

2016

tom 15

nr 1

Blackberry and mulberry are main berry crops grown in Black Sea region mostly in humid shade forest areas and its important for local people’s diet and also important for the maintenance of their health and prevention of disease. Present study aimed to determine the content of vitamin C, organic acids (citric acid, tartaric acid, oxalic acid, malic acid, succinic acid, fumaric acid), sugars (glucose and fructose) and phenolic compounds (catechin, rutin, quercetin, chlorogenic acid, ferulic acid, o-coumaric acid, p-coumaric acid, caffeic acid, syringic acid, vanillic acid, and gallic acid), as well as antioxidant capacity (Trolox Equivalent Antioxi-dant Capacity, TEAC assay) in the wild grown blackberry and mulberry fruit. Among phenolic acids, chlorogenic acid was the predominant for all wild grown blackberries, white and black mulberries. The presence of oxalic acid was only detected in the wild blackberry genotype. As a result, the phytochemical recognition of the wild grown blackberry, black and white mulberries might contribute to forthcoming investigations for developing the efficiency of food industry.

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Hortorum Cultus

1 Polish Journal of Environmental Studies

2 Yilmaz I.

1 Akdeniz H.

1 Akin M.

1 Bozkurt M. A.

1 Cakir O.

1 Ercisli S.

1 Eyduran S. P.

1 Keskin B.

1 2016

1 2006

Wyniki wyszukiwania

The effects of sewage sludge and nitrogen applications on grain sorghum grown [Sorghum vulgare L.] in Van-Turkey

Phytochemical profiles of wild grown blackberry and mulberry in Turkey