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- Title
Effect of fertigation on soil pollution during greenhouse plant cultivation / Wpływ fertygacji na zanieczyszczenie gleb podczas uprawy roślin w obiektach szklarniowych.
- Authors
Breś, Włodzimierz; Trelka, Tomasz
- Abstract
The aim of study was to investigate the effect of nutrient solution leakage during plant cultivation in greenhouse on soil pollution. Investigations were conducted in horticultural farms in the Wielkopolskie province (Greater Poland), specializing in soilless plant cultivation in greenhouse. In the first farm located on sandy soil tomato has been grown since its establishment (Object A). Prior to the beginning of crop culture soil samples were collected for analyses at every 0.2 m layer, to the depth of one meter. Successive samples were taken also in autumn after the completion of 1, 2, 3 and 7 culture cycles. For comparison, research was also conducted in a greenhouse located on loamy sand/sandy loam soil used for 8 years for tomato culture (Object B). In all these facilities plants in rockwool were grown and the fertigation in an open system was provided. Chemical analyzes showed the dynamics of soil properties changes and vertical distribution of cations and anions within the soil profile. Increased content of almost all nutrients and particularly of S-SO4, P, K, Zn, N-NH4, N-NO3 in the soil profile in object A and S-SO4, K, P, N-NO3 in the soli profile in object B were recorded. The results showed that the degradation rate of the soil environment as a result of open fertigation system application depends primarily on the duration of greenhouse operation. However, explicit changes in the chemical properties of soils were observed already after the first growth cycle. Smaller doses of fertilizers and water, and in consequence reduction of nutrients losses may be achieved by closed fertigation systems.
- Subjects
FERTIGATION; SOIL pollution research; TILLAGE research; HORTICULTURE research; GREENHOUSES
- Publication
Archives of Environmental Protection, 2015, Vol 41, Issue 2, p75
- ISSN
2083-4772
- Publication type
Article
- DOI
10.1515/aep-2015-0021