Soil microbial and nutrient dynamics influenced by irrigation-induced salinity and sewage sludge incorporation in sandy – loam textured soil

Ankush, Ankush; Prakash, Ram; Kumar, Rakesh; Singh, Vikram; Harender, Harender; Singh, Vijay Kant

doi:10.31545/intagr/128775

Cited by 5 publications

(5 citation statements)

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“…The soil fertility status in terms of OC and available nutrients (N and P) were found low under high SAR saline conditions compared to situation where good quality irrigation water was used. This may be due to increase in the soil salinity, which reduced the carbon inputs by plants (Ankush et al, 2020). Lesser rainfall and high evaporation are significant in dry and hot climatic zones, causing salts to accumulate in the surface soil layers, which might be due to + enrolment of salts, especially Na and Cl-ions thathindered the microbial activities and nutrient transformations in the soil (Ankush et al, 2020).…”

Section: − −mentioning

confidence: 99%

“…This may be due to increase in the soil salinity, which reduced the carbon inputs by plants (Ankush et al, 2020). Lesser rainfall and high evaporation are significant in dry and hot climatic zones, causing salts to accumulate in the surface soil layers, which might be due to + enrolment of salts, especially Na and Cl-ions thathindered the microbial activities and nutrient transformations in the soil (Ankush et al, 2020). The available potassium was, however, found highest under saline condition due to addition of potassium + through saline irrigation water.…”

Section: − −mentioning

confidence: 99%

“…(Gagandeep et al, 2016). Irrigating agricultural crops with low-quality water indiscriminately reduces crop production (Priyanka et al, 2020, Harisha et al, 2022 and deteriorates soil fertility (Ankush et al, 2020) due to osmotic and ion-specific effect (Ankush et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

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Characterization and spatial mapping of irrigation water quality and their effects on soil properties in Hathin Block of Palwal district, Haryana

Prakash,

Kumari,

Gagandeep

et al. 2023

JEB

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Aim: Characterization and spatial mapping of irrigation water quality of Hathin block, District Palwal, Haryana. Methodology: In order to assess the ground water quality for irrigation suitability and their effect on soil chemical properties, 68 ground water samples were collected, and analyzed for pH, EC, anions (CO32-, HCO3-, Cl-, SO42- and NO3-) and cations (Ca2+, Mg2+, Na+ and K+). Water quality indices [(Sodium adsorption ratio (SAR) and residual sodium carbonate (RSC)] were also computed. Results: The pH and EC of water samples ranged from 6.69-8.35 and 0.77 -11.99 dSm-1 with mean value of 7.48 and 4.21 dSm-1, respectively. The cations and anions followed the order: Na+> Mg2+> Ca2+> K+, and Cl- > SO42-> HCO3−> CO32−>NO3−. RSC and SAR ranged from Nil - 5.40 me l-1 and 5.64 - 19.98 (mmol l-1)1/2, respectively. According to All India Coordinated Research Project (AICRP) classification, out of total water samples, 17.6 % were found as good, 22.1 % as marginal saline, 4.4 % as saline, 48.5 % as high SAR saline, and 7.4 % as higher alkali. Interpretation: The soluble ions were found higher under higher saline conditions as compared to the locations had good quality irrigation water, which altered soil nutrient status. In order to mitigate the negative impacts of such water, it is advised that brackish or saline groundwater be used to irrigate field crops by diluting it with canal (good quality) water. Key words: Residual sodium carbonate, Soluble ions, Sodium absorption ratio, Water quality indices

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Section: − −mentioning

confidence: 99%

Section: − −mentioning

confidence: 99%

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Characterization and spatial mapping of irrigation water quality and their effects on soil properties in Hathin Block of Palwal district, Haryana

Prakash,

Kumari,

Gagandeep

et al. 2023

JEB

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“…Field application of sewage sludge would be the best alternative, as the economic and environmental costs for landfilling, spreading, and incineration are very high. It also offers the chance to recover high organic carbon and essential plant nutrients in the soil (Ankush et al 2020). The use of sewage sludge as an organic fertilizer has therefore proven beneficial for various field crops (Roy et al 2013, Biswas et al 2017.…”

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An assessment of domestic sewage sludge in pearl millet-wheat system under saline irrigation

Ankush¹,

Prakash²,

Louhar³

2022

Indian J Agri Sci

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The present two-year experiment (2017-19) evaluated the impact of domestic sewage sludge (SS) on yield parameters and soil nutrient status under the pearl millet-wheat system using saline irrigation. The field study consisted of three irrigation treatments [canal water (0.35 dS/m); saline water (8 and 10 dS/m)], and five fertilizer treatments [control, SS (5 t/ha), SS (5 t/ha)+50% recommended dose of fertilizers (RDF), SS (5 t/ha)+75% RDF and 100% RDF]. The results revealed a significant reduction in the biological yield and yield attributes, and protein content of both crops with increasing salinity levels of irrigation water during both the years. However, all these parameters recorded significantly highest values under 100% RDF which was statistically at par with SS (5 t/ha) + 75% RDF treatment. The soil available sulphur (S) was significantly increased with 8 and 10 dS/m EC of saline water over canal water (0.35 dS/m) irrigation. But, SS (5 t/ha) + 75% RDF obtained 36.7 and 22.3% higher available S over control and 100% RDF, respectively. No significant effects were made in DTPA-extractable micronutrients (Fe, Mn, and Cu) with saline irrigation except Zn, which was reduced under saline environment. SS added treatments obtained higher micronutrient concentration over control. Hence, SS incorporation has proven useful in sustainable crop production and improved micronutrient availability in the soil.

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“…About 62% area of Haryana state is restrained with poor quality water (Anonymous 2019), due to which problems of soil salinity, crashing soil health (Ankush et al 2020a), and reducing crop productivity have arisen. To overcome water scarcity, many countries have adopted the use of marginal water for irrigation.…”

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Salt ratios respond to saline irrigation and sewage sludge application in pearl millet-wheat rotation

et al. 2021

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Salinity is a limiting factor for crop production in irrigated areas. A field experiment was conducted for two consecutive years (2017-19) using three irrigation treatments, viz. canal water (0.35 dS/m) and saline water (8 and 10 dS/m); and five fertilizer treatments, viz. control, sewage sludge (SS)-5 t/ha, SS (5 t/ha)+50% recommended dose of fertilizers (RDF), SS (5 t/ha)+75% RDF and 100% RDF, to evaluate the effect of saline water irrigation, organic and inorganic fertilization on salt ratios in pearl millet and wheat crops. However, SS was applied in the Rabi only. As the salinity of irrigation water increased, the salt ratios (Na+/K+ and Cl-/SO4 2) in pearl millet and wheat crops were increased markedly during both years. However, SS (5 t/ha) + 75% RDF recorded the lowest Na+/K+ ratio in pearl millet crop over control, but it was statistically at par with 100% RDF, while in wheat crop, the ratio was decreased considerably under 100% RDF treatment followed by sewage sludge amended treatments. Also, the ratio (Cl-/SO4 2-) in both crops was significantly decreased with sewage sludge incorporation, and the lowest was recorded with SS (5 t/ha) + 75% RDF. From the present study, it is concluded that the SS and inorganic fertilizer application helps in gaining potential of cereals against salt stress by reducing Na+ and Cl- besides increasing potassium and sulphate contents in plants.

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Soil microbial and nutrient dynamics influenced by irrigation-induced salinity and sewage sludge incorporation in sandy – loam textured soil

Cited by 5 publications

References 43 publications

Characterization and spatial mapping of irrigation water quality and their effects on soil properties in Hathin Block of Palwal district, Haryana

Characterization and spatial mapping of irrigation water quality and their effects on soil properties in Hathin Block of Palwal district, Haryana

An assessment of domestic sewage sludge in pearl millet-wheat system under saline irrigation

Salt ratios respond to saline irrigation and sewage sludge application in pearl millet-wheat rotation

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