Effect of Integrated Nutrient Management on Soil Enzymes, Microbial Biomass Carbon and Microbial Population under Okra Cultivation

Kumar, Vikash; Saikia, J.; Barik, Nishant; Das, T.K.

doi:10.9734/ijbcrr/2017/38868

Cited by 5 publications

(4 citation statements)

References 10 publications

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“…Inoculation of PSB and VAM significantly increased the availability of phosphorus in soil, with marginal decline in bulk density. Kumar et al, (2006) found that application of 50 % N + 10 t FYM had significantly higher nutrient uptake (122.0, 37 and 110 kg of NPK ha -1 , respectively) and availability (248, 50 and 245 kg of NPK ha -1 , respectively) in soil. An experiments conducted by Ramesh et al, (2008) to assess the effect of organic and inorganic on soil quality.…”

Section: Effect Of Integrated Sources Of Nutrients On Soil Quality Of Vegetable Cropsmentioning

confidence: 91%

“…Among all the treatments, the most increase of EC, OC, TKN, PO 4 3-, Na+, K+, Ca 2+ , Mg 2+ , Cd, Cr, Cu, Fe, Mn and Zn of the soil was recorded with 50 % RDF + vermicompost @ 5 t ha -1 . Kumar et al, (2017) assessed the effect of integrated nutrient management on soil enzymes, microbial biomass carbon and microbial population under okra cultivation. The results of the study indicated that there was the improvement in soil biological properties and soil enzymes in all plots over the initial value.…”

Section: Effect Of Integrated Sources Of Nutrients On Soil Quality Of Vegetable Cropsmentioning

confidence: 99%

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Does Integrated Sources of Nutrients Enhance Growth, Yield, Quality and Soil Fertility of Vegetable Crops?

Kumar¹,

Chaudhary²,

Naresh³

et al. 2018

Int.J.Curr.Microbiol.App.Sci

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Section: Effect Of Integrated Sources Of Nutrients On Soil Quality Of Vegetable Cropsmentioning

confidence: 91%

Section: Effect Of Integrated Sources Of Nutrients On Soil Quality Of Vegetable Cropsmentioning

confidence: 99%

Does Integrated Sources of Nutrients Enhance Growth, Yield, Quality and Soil Fertility of Vegetable Crops?

Kumar¹,

Chaudhary²,

Naresh³

et al. 2018

Int.J.Curr.Microbiol.App.Sci

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“…The addition of organic sources of nutrients, increased the carbon content of the soil for both the years of the experiment, while control plots and treatment receiving only chemical sources of nutrients did not have a higher carbon content in the soil. Various literature suggests (Vineela et al, 2008;Venkatesh et al, 2013;Francioli et al, 2016;Kumar et al, 2019) that integrated application of nutrients improves soil microbial biomass carbon. From a five-year experiment in the maize-mustard cropping system, continuous application of inorganic fertilizers along with FYM, biofertilizer and lime had the highest microbial biomass carbon (373.02 mg kg −1 ) (Saha et al, 2010).…”

Section: Organic Carbon and Microbial Biomass Carbonmentioning

confidence: 99%

Implications of minimum tillage and integrated nutrient management on yield and soil health of rice-lentil cropping system – being a resource conservation technology

Bhattacharya¹,

Naskar²,

Kumari³

et al. 2023

Front. Sustain. Food Syst.

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Conventional tillage methods and indiscriminate use of chemical fertilizers are causes of edaphic problems like soil degradation and loss of soil fertility which reduces crop yield. Puddling now-a-days, has become a major challenge for farmers due to breaking the soil structure, deficit water regimes, and depletion of soil health. Keeping in view, the absolute need to fulfill food security as well as sustainability, an experiment was conducted for 2 years on a rice-lentil cropping system during 2018–2019 and 2019–2020 in sandy clay loam soil of a new alluvial zone of eastern India to evaluate effects of minimum tillage and integrated nutrient management on yield and soil health. Conventional tillage (CT) direct seeded rice-lentil, Minimum tillage(MT) direct seeded rice-lentil, MT transplanted rice-lentil and MT direct seeded rice-lentil were kept as main plot treatments and control (without any fertilizer), 100% RDF, 75% nitrogen + FYM, 75% nitrogen + FYM + Azospirillum and 75% Nitrogen + FYM + Azospirillum sp. + Zinc Sulphate were kept as subplot treatments during the study. Though conventional tillage treatments recorded higher LAI, CGR and yield in the first year of study in the case of rice; during the second year, minimum tillage treatments showed significantly (p ≤ 0.05) better results in the aforesaid aspects with MTDSR-L having a maximum yield of 5.17 t ha−1. In the case of lentil minimum tillage treatments had better results for both years, with MTDSR-L treatment having the highest yield of 8.084 t ha−1. Among the nutrient schedules, the crops had better LAI, CGR and yield during the first year in the case of 100% RDF treatment, but in the second year, 75% Nitrogen + FYM + Azospirillum sp. + Zinc Sulphate had the highest respective values. Soil organic carbon was marginally improved by both tillage and nutrient treatments, while soil microbial biomass carbon, dehydrogenase activity and microbial count were significantly influenced. The combination of MTDSR-L and 75% Nitrogen + FYM + Azospirillum sp. + Zinc Sulphate (N5) treatment showed the maximum values for all soil biological parameters leading to improve soil health. The results of the experiment concluded that the practice of minimum tillage and integrated nutrient management may be recommended to enhance the yield and stability of rice-lentil cropping systems in sandy clay loam soil of a new alluvial zone of eastern India by acting as an alternative for the decline of soil health.

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“…Balanced NPK application in conjunction with EPC enhanced the soil microbial biomass phosphorus more than the rest of all treatments. Integrated nutrient management provides substrates needed for microbes' growth and activity, thus enhancing microbial biomass phosphorus (Verma and Mathur, 2009;Kumar et al, 2017). Lack of nutrient addition in the soil might have resulted in low microbial biomass phosphorus in control plots.…”

Section: Soil Microbial Biomass Phosphorusmentioning

confidence: 99%

Monitoring the effect of integrated nutrient management practices on soil health in maize-based cropping system

Bamboriya,

Purohit,

Naik

et al. 2023

Front. Sustain. Food Syst.

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IntroductionSoil organic matter (SOM) plays a vital role in enhancing soil characteristics and promoting sustainable crop production. The active and passive components of SOM tend to be more effective indicators of soil changes than total SOM content.MethodsThis study aimed to examine the impact of integrated nutrient management (INM) on the active and passive segments of SOM in maize during the kharif seasons of 2019 and 2020 at the Instructional Farm of Rajasthan College of Agriculture, Udaipur. A total of 11 treatments comprising of control (no application of manures/fertilizers/biofertilizers), different INM combinations, and application of inorganic fertilizers were laid in a randomized block design (RBD) with three replications tested in this study.ResultsThe use of INM through enriched phosphorus compost (EPC), biofertilizers, and chemical fertilizers significantly boosted both the active and passive constituents of the organic matter of the soil. In this study, a combination of 75% NPK fertilizers via soil test response (STR), EPC @ 5 t ha−1, an Azotobacter consortium, phosphorus solubilizing bacteria (PSB), and a foliar spray of 0.5% Zn considerably increased the active fraction of SOM than other treatments as indicated by microbial biomass carbon (251 mg kg−1), microbial biomass nitrogen (36.8 mg kg−1), microbial biomass phosphorus (6.82 mg kg−1), water-soluble organic carbon (73.9 mg kg−1), water-soluble carbohydrates (43.8 mg kg−1), presence of dehydrogenase in soil (6.82 μg TPF g−1 soil 24 h−1), and carbon mineralization (43.8 mg CO2C kg−1 soil 24 h−1). This treatment was also found to increase the passive fraction as shown by the presence of humic acid (0.332%), fulvic acid (0.210%), hymatomelanic acid (0.052%), brown humic acid (0.252%), and humin (0.604%).DiscussionFrom this study, it can be concluded that the application of 75% NPK fertilizers as per STR + EPC + Azotobacter + PSB + 0.5% foliar Zn spray can improve soil health in maize-based cropping systems.

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Effect of Integrated Nutrient Management on Soil Enzymes, Microbial Biomass Carbon and Microbial Population under Okra Cultivation

Cited by 5 publications

References 10 publications

Does Integrated Sources of Nutrients Enhance Growth, Yield, Quality and Soil Fertility of Vegetable Crops?

Does Integrated Sources of Nutrients Enhance Growth, Yield, Quality and Soil Fertility of Vegetable Crops?

Implications of minimum tillage and integrated nutrient management on yield and soil health of rice-lentil cropping system – being a resource conservation technology

Monitoring the effect of integrated nutrient management practices on soil health in maize-based cropping system

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