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Article

Comparison of the Effects of Different Crop Production Systems on Soil Physico-Chemical Properties and Microbial Activity under Winter Wheat

1
Department of Agricultural Microbiology, Institute of Soil Science and Plant Cultivation State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
2
Department of Soil Science, Environmental Chemistry and Hydrology, The Faculty of Biology and Agriculture, University of Rzeszow, Zelwerowicza 8b, 35-601 Rzeszow, Poland
3
Department of Soil Science and Land Protection, Institute of Soil Science and Plant Cultivation State Research Institute, Czartoryskich 8, 24-100 Puławy, Poland
*
Author to whom correspondence should be addressed.
Agronomy 2020, 10(8), 1130; https://doi.org/10.3390/agronomy10081130
Received: 25 June 2020 / Revised: 27 July 2020 / Accepted: 30 July 2020 / Published: 3 August 2020
(This article belongs to the Special Issue Effects of Agricultural Management on Soil Properties and Health)
In many areas, organic crop production systems have been shown to contribute to maintaining good soil condition. The organic production system has been recommended as an alternative to conventional agriculture. However, in order to recommend this practice in new regions, it is necessary to obtain information about its effects and consequences in local environmental conditions. The research was completed during 2016–2018 in Osiny (Lublin region, Poland) on a field experiment established 26 years previously in a Haplic Luvisol soil. The research was aimed at comparing the effects of long-term use of tilled soil with organic (ORG) and conventional (CON) crop production systems with those in non-tilled soil under permanent grass (PRG) as a control. This comparison was done on the basis of changes in the values of soil properties as follows: Total porosity (TP), total organic matter (OM), particulate organic matter (POM), humic substances (HS), water-extractable carbon (WEC), microbial biomass carbon pool (MBC) and dehydrogenase activity (DH). Soil samples were collected from experimental fields (each treatment 1 ha) under winter wheat and permanent grass each year from 0–5, 5–10, 15–20 and 30–35 cm depths. Over the three year study period, it was found that permanent grass and the organic crop production system contributed to increased soil OM, POM, HS, WEC and MBC contents and DH activity compared to the CON system, especially in the top soil layer, 0–5 cm. To obtain a clearer picture of soil quality change our study examined for the first time the metabolic potential index (MPI) as a ratio of dehydrogenase activity to the soluble organic carbon content. The MPI values confirmed the increase of metabolism in ORG soil as a consequence of management practices compared with CON soil. The obtained correlations showed strong mutual relationships within properties of the heterogeneous soil complex. The results show the positive effects of the ORG management system causing soil condition improvement which is based on organic fertilization, enriching the soil with a large amount of plant residues in creating positive changes in the soil quality in contrast to the CON system. View Full-Text
Keywords: organic and conventional crop production systems; permanent grass; total porosity; organic matter; humic substances; extractable carbon; particulate organic matter; microbial biomass; dehydrogenase activity organic and conventional crop production systems; permanent grass; total porosity; organic matter; humic substances; extractable carbon; particulate organic matter; microbial biomass; dehydrogenase activity
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MDPI and ACS Style

Gajda, A.M.; Czyż, E.A.; Ukalska-Jaruga, A. Comparison of the Effects of Different Crop Production Systems on Soil Physico-Chemical Properties and Microbial Activity under Winter Wheat. Agronomy 2020, 10, 1130. https://doi.org/10.3390/agronomy10081130

AMA Style

Gajda AM, Czyż EA, Ukalska-Jaruga A. Comparison of the Effects of Different Crop Production Systems on Soil Physico-Chemical Properties and Microbial Activity under Winter Wheat. Agronomy. 2020; 10(8):1130. https://doi.org/10.3390/agronomy10081130

Chicago/Turabian Style

Gajda, Anna M., Ewa A. Czyż, and Aleksandra Ukalska-Jaruga. 2020. "Comparison of the Effects of Different Crop Production Systems on Soil Physico-Chemical Properties and Microbial Activity under Winter Wheat" Agronomy 10, no. 8: 1130. https://doi.org/10.3390/agronomy10081130

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