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Application of arbuscular mycorrhizal inoculum in greenhouse soil with manure induced salinity for organic pepper production

100%

Kapoulas N., Ilic Z. S., Koukounaras A., Ipsilantis I.

Acta Scientiarum Polonorum. Hortorum Cultus

2019

tom 18

nr 1

In this study, the effect of arbuscular mycorrhizal fungus − AMF Rhizophagus intraradices inoculum (prior or with transplanting) to different pepper type (Capsicum annuum L.) cv. Arlequin F1 (long fruits) and Raiko F1 (bell pepper), on plant growth and physiological parameters in response to elevated soil P concentrations from organic greenhouse production with enhanced soil salinity, was investigated. To explain the physiological growth of mycorrhizal inoculated (M) and non-mycorrhizal inoculated (NM) plants, the parameters of fungal root length colonization, shoot concentration of P an N during growth, plant height, width of stem, yield, number of fruit per plant and also the quality parameters of fruits such as soluble solid content (SSC), fruit color, mineral profile, total soluble phenolics (TSP) and antioxidant activity (FRAP), were determined. This study showed that application of AMF in cv. Raiko cultivated in high P saline soil generally enhanced growth, fruit yield and number of fruits per plant when inoculated at planting time in the greenhouse. AM inoculated plants, regardless of the time of application in cv. Arlequin grown under the same conditions, did not have any significant differences in comparison with NM plants. Arbuscular mycorrhizal inoculation has great potential in enhancing the pepper growth and yield even in high soil P, however, because of the complexity and interaction of involved genotypes of pepper and AMF, the method and time of inoculation, the system of pepper production and environmental conditions, as well as assays have to be performed to verify positive effects.

Effects of repeated applications of sewage sludge and MSW compost on the bioavailability of heavy metals in greenhouse soil

100%

Topcuoglu B.

Polish Journal of Environmental Studies

2005

tom 14

nr 2

In a two-year study, manure, sewage sludge and MSW compost were applied to greenhouse soil. A tomato plant was grown. Soil samples were collected after harvest and total and DTPA-extractable Zn, Cu, Ni, Pb and Cd contents of greenhouse soil were determined. Sludge and MSW compost used in a 2-year period increased both total and DTPA-extractable concentrations of Zn, Cu, Ni and Pb in the greenhouse soil. Cd increase was detected only in “total” form in the second year, by sewage sludge and MSW compost treatments. Bioavailable Cd content of soil was found below the detection limit in all treatments. The amount of bioavailable metals in the greenhouse soil were significantly high for the sewage sludge and MSW compost treatments, almost including a 9-, 6- and 3-fold increase in Zn, Cu and Pb, respectively. Total and bioavailable metal contents of soil in sewage sludge and MSW compost applications were higher in comparison with manure application. In sewage sludge and MSW compost treatments, “total” concentrations of all metals were found below pollutant limits, but the increase in available fractions was more marked than those of total concentrations.

Ograniczanie wyników

1 Acta Scientiarum Polonorum. Hortorum Cultus

1 Polish Journal of Environmental Studies

1 Ilic Z. S.

1 Ipsilantis I.

1 Kapoulas N.

1 Koukounaras A.

1 Topcuoglu B.

1 2019

1 2005

Wyniki wyszukiwania

Application of arbuscular mycorrhizal inoculum in greenhouse soil with manure induced salinity for organic pepper production

Effects of repeated applications of sewage sludge and MSW compost on the bioavailability of heavy metals in greenhouse soil