Dataset Information

Condensation irrigation greenhouse dataset.

ABSTRACT: Highly valuable data related to two types of planting media and two planting conditions, with and without plastic cover, were obtained from condensation irrigation experiments in the greenhouse. Data on the physical model include the humidifier dimensions and the cultivation bed, the pipe diameter and length, the water tank, and its adjustment devices. The measured data consisted of different water balance components in the studied condensation irrigation system, including saline water evaporated in the humidifier, water produced in the planting medium and pipes, water flowing out of the planting medium, transpiration by the plant, and the water storage changes in the planting medium. Other measured data included the height of plants, wet and dry weights of the plants, moisture content of the planting medium, the greenhouse temperature, water temperature, temperature of the humid air inflow to the buried pipes, and the planting medium temperature. These data can be used to proceed with the current research or similar research in the future.

SUBMITTER: Mirzaei F

PROVIDER: S-EPMC8209071 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Condensation irrigation greenhouse dataset.

Mirzaei Farhad F Noory Hamideh H Arabnejad Hossein H

Data in brief 20210423

Highly valuable data related to two types of planting media and two planting conditions, with and without plastic cover, were obtained from condensation irrigation experiments in the greenhouse. Data on the physical model include the humidifier dimensions and the cultivation bed, the pipe diameter and length, the water tank, and its adjustment devices. The measured data consisted of different water balance components in the studied condensation irrigation system, including saline water evaporate ...[more]

PMID: 34169123

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Project description:Reuse of wastewater effluent and biosolids in agriculture is essential to sustainable water and nutrient resource management practices. Wastewater and biosolids, however, are reportedly the recipients, reservoirs, and sources of antibiotic-resistant enteric pathogens. While decay rates of fecal bacterial indicators in soil are frequently studied, very few studies have reported on the persistence of the antibiotic-resistant sub-populations. Little is known about how multi-drug resistance phenotypes of enteric bacteria in agricultural soil change over time. In this study, germinated carrot seeds were planted in soil that received biosolids amendment and/or wastewater effluent irrigation in a greenhouse setting. We quantified total and antibiotic-resistant fecal bacterial indicators (Escherichia coli and enterococci) weekly in soil and total E. coli at harvest (day 77) on carrots. Antibiotic susceptibility of 121 E. coli and 110 enterococci collected isolates were determined. E. coli or enterococci were not recovered from the soil without biosolids amendment regardless of the irrigation water source. After biosolids amendment, soil E. coli and enterococci concentrations increased more than 3 log10 CFU/g-TS within the first week, declined slowly over time, but stayed above the detection limit (0.39 CFU/g-TS) over the entirety of the study. No statistical difference was found between effluent wastewater or water irrigation in soil total and antibiotic-resistant E. coli and enterococci concentrations or carrots E. coli levels. Soil antibiotic-resistant E. coli and enterococci decayed significantly faster than total E. coli and enterococci. Moreover, the prevalence of multi-drug resistant (resistance to three or more antibiotics) E. coli declined significantly over time, while almost all collected enterococci isolates showed multi-drug resistance phenotypes. At harvest, E. coli were present on carrots; the majority of which were resistant to ampicillin. The survival of antibiotic-resistant enteric bacteria in soil and on harvested carrots indicates there are transmission risks associated with biosolids amendment use in root crops.

Dataset Information

Condensation irrigation greenhouse dataset.

Publications

Condensation irrigation greenhouse dataset.

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