Soil Physicochemical Properties

Raju, Maddela Naga; Narasimha, G.; Rangaswamy, V.

doi:10.1007/978-3-319-42655-6_2

Cited by 11 publications

(7 citation statements)

References 8 publications

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“…It is very important to monitor the physicochemical characteristics of soil because soil is a complex material that consists of various components, such as minerals, moisture, and organic matter [46]. These components greatly influence soil structure, texture, and porosity.…”

Section: Physicochemical Properties Of Soilmentioning

confidence: 99%

Effects of Organic Fertilizer Mixed with Food Waste Dry Powder on the Growth of Chinese Cabbage Seedlings

et al. 2021

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Food waste is a common global threat to the environment, agriculture, and society. In the present study, we used 30% food waste, mixed with 70% bio-fertilizers, and evaluated their ability to affect the growth of Chinese cabbage. The experiment was conducted using different concentrations of food waste to investigate their effect on Chinese cabbage growth, chlorophyll content, and mineral content. Leaf length, root length, and fresh and dry weight were significantly increased in plants treated with control fertilizer (CF) and fertilizer mixed with food waste (MF). However, high concentrations of food waste decreased the growth and biomass of Chinese cabbage due to salt content. Furthermore, higher chlorophyll content, transpiration efficiency, and photosynthetic rate were observed in CF- and MF-treated plants, while higher chlorophyll fluorescence was observed in the MF × 2 and MF × 6 treatments. Inductively coupled plasm mass spectrometry (ICP-MS) results showed an increase in potassium (K), calcium (Ca), phosphorous (P), and magnesium (Mg) contents in the MF and MF × 2 treatments, while higher sodium (Na) content was observed in the MF × 4 and MF × 6 treatments due to the high salt content found in food waste. The analysis of abscisic acid (ABA) showed that increasing amounts of food waste increase the endogenous ABA content, compromising the survival of plants. In conclusion, optimal amounts of food waste—up to MF and MF × 2—increase plant growth and provide an ecofriendly approach to be employed in the agriculture production system.

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Section: Physicochemical Properties Of Soilmentioning

confidence: 99%

Effects of Organic Fertilizer Mixed with Food Waste Dry Powder on the Growth of Chinese Cabbage Seedlings

et al. 2021

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“…Thus, the soil used in the study is classified as a sandy soil. (Naga Raju et al, 2017). The soil electrical conductivity of the saturated extract was 120 µs/cm, indicating a low ion exchange capacity.…”

Section: Resultsmentioning

confidence: 96%

“…The soil organic matter was less than 1%, showing a poor soil of living and dead organic basedproducts. (Naga Raju et al, 2017). The effect of oxidation process on the water dispersibility of CB was evaluated from the photo images of Figure 2.…”

Section: Resultsmentioning

confidence: 99%

Efficient Removal of the Toxic Lead Ions from ContaminatedSandy Soils using Newly Engineered Carbon Black Nanoadsorbent

Hafez

2019

Alexandria Journal of Agricultural Sciences

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Soils contaminated with heavy metals can embarrass a fatal risk to the environment and human life via the direct uptake of the heavy metal-contaminated agricultural crops. Hence, the treatment of metal-contaminated soils is attracting a lot of research activities to reduce the negative impact on the environment. In the current study, I have activated the surface of the carbon black (CB) adsorbent by introducing functional groups capable to efficiently capture the lead (Pb) metal ions from a Pb-contaminated sandy soil. The soil properties (e.g. electrical conductivity, acidity, carbon and nitrogen content, and organic matter) were studied before and after the treatment with the CB adsorbent. I also showed a comprehensive adsorption study in soil-batch extraction experiments, evaluating a series of factors such as the effects of soil pH (pH 3.0 to pH 7.0), Pb concentration into the soil (5-100 mg/L), and the soil temperature (15-50 °C).Furthermore, the recyclability of the adsorbent was highlighted to evaluate adsorption efficiency upon use. The results of the study were remarkable where a 100 % removal efficiency of Pb ions was obtained using only a 40 ppm of the oxidized CB compared to a 60% removal efficiency when using a pristine CB at the same concentration. The adsorption capacity of Pb ions was as high as 100 mg/g at 30 mg/L of oxidized CB adsorbent. The life cycle of oxidized CB adsorbent was also remarkable compared to that of pristine adsorbent. The recyclability data of the functionalized CB has showed an easy regeneration process with an efficient reusefor 5 cycles with 30 %a performance decline of 30 % only from the initial adsorption efficiency.

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“…Rhizosphere soil was stored in liquid nitrogen and was sent to Shanghai Maso Bio-Pharmaceutical Techno-logy Co., Ltd. for high-throughput sequencing. Samples of surrounding soil were air-dried and were then used to assess soil physicochemical properties [ 58 , 59 ]. Soil samples from the top, middle, and bottom slope positions were respectively denoted with the SW, ZW, and XW designations, while samples collected at depths of 0–20 cm, 20–40 cm, and 40–60 cm were respectively designated with the numbers 1, 2, and 3.…”

Section: Methodsmentioning

confidence: 99%

“…Soil properties were assessed as described in prior studies [ 59 , 64 ]. Analyzed soil physicochemical properties included gravimetric soil water content (assessed via by oven drying at 105 °C) [ 65 , 66 ], organic matter content (assessed using the KCr 2 O 7 method) [ 66 ], total nitrogen (assessed using the HClO 4 -H 2 SO 4 digestion method) [ 67 , 68 ], total phosphorus (assessed using a Mo-Sb colorimetric method) [ 68 , 69 ], total potassium (as measured via atomic absorption spectrometry) [ 69 , 70 ], nitrate nitrogen, ammonium nitrogen (as assessed via a 0.01 M calcium chloride extraction method using a BRAN+LUEBBE flow analyzer) [ 67 , 68 ], available phosphorus (using NaH-CO 3 extracts and analyzed via the Mo-Sb colorimetric method) [ 68 , 70 ], available potassium (measured using NH 4 OAc extracts and analyzed via atomic absorption spectrometry), pH (as measured with a Mettler Tolido FiveEasy Plus pH meter) [ 70 ], and total dissolvable salts (as assessed via atomic absorption spectrometry and titration) [ 59 , 70 ].…”

Section: Methodsmentioning

confidence: 99%

High-throughput sequencing analysis of the rhizosphere arbuscular mycorrhizal fungi (AMF) community composition associated with Ferula sinkiangensis

Luo

Wang

et al. 2020

BMC Microbiol

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Background Ferula sinkiangensis is an increasingly endangered medicinal plant. Arbuscular mycorrhiza fungi (AMF) are symbiotic microorganisms that live in the soil wherein they enhance nutrient uptake, stress resistance, and pathogen defense in host plants. While such AMF have the potential to contribute to the cultivation of Ferula sinkiangensis, the composition of AMF communities associated with Ferula sinkiangensis and the relationship between these fungi and other pertinent abiotic factors still remains to be clarified. Results Herein, we collected rhizosphere and surrounding soil samples at a range of depths (0–20, 20–40, and 40–60 cm) and a range of slope positions (bottom, middle, top). These samples were then subjected to analyses of soil physicochemical properties and high-throughput sequencing (Illumina MiSeq). We determined that Glomus and Diversispora species were highly enriched in all samples. We further found that AMF diversity and richness varied significantly as a function of slope position, with this variation primarily being tied to differences in relative Glomus and Diversispora abundance. In contrast, no significant relationship was observed between soil depth and overall AMF composition, although some AMF species were found to be sensitive to soil depth. Many factors significantly affected AMF community composition, including organic matter content, total nitrogen, total potassium, ammonium nitrogen, nitrate nitrogen, available potassium, total dissolvable salt levels, pH, soil water content, and slope position. We further determined that Shannon diversity index values in these communities were positively correlated with total phosphorus, nitrate-nitrogen levels, and pH values (P < 0.05), whereas total phosphorus, total dissolvable salt levels, and pH were positively correlated with Chao1 values (P < 0.05). Conclusion In summary, our data revealed that Glomus and Diversispora are key AMF genera found within Ferula sinkiangensis rhizosphere soil. These fungi are closely associated with specific environmental and soil physicochemical properties, and these soil sample properties also differed significantly as a function of slope position (P < 0.05). Together, our results provide new insights regarding the relationship between AMF species and Ferula sinkiangensis, offering a theoretical basis for further studies of their development.

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Soil Physicochemical Properties

Cited by 11 publications

References 8 publications

Effects of Organic Fertilizer Mixed with Food Waste Dry Powder on the Growth of Chinese Cabbage Seedlings

Effects of Organic Fertilizer Mixed with Food Waste Dry Powder on the Growth of Chinese Cabbage Seedlings

Efficient Removal of the Toxic Lead Ions from ContaminatedSandy Soils using Newly Engineered Carbon Black Nanoadsorbent

High-throughput sequencing analysis of the rhizosphere arbuscular mycorrhizal fungi (AMF) community composition associated with Ferula sinkiangensis

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