Effectiveness of Organic-/Bio-Fertilizer Supplemented with Chemical Fertilizers for Improving Soil Water Retention, Aggregate Stability, Growth and Nutrient Uptake of Maize<i>(Zea mays</i>L.)

Ahmad, Ridzwan Bin; Arshad, Muhammad; Khalid, Azeem; Zahir, Zahir A.

doi:10.1300/j064v31n04_05

Cited by 57 publications

(36 citation statements)

References 18 publications

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“…Furthermore, OM maintains the dynamics and productive potential of the "rhizosphere". Organic matter improves soil structure, increases water retention capacity, stimulates soil microbes, and provides nutrients (Fontaine et al, 2003;Ahmad et al, 2008a;2008b;Shahzad et al, 2008;Reid et al, 2011a;2011b). The supplementary effect of compost may also be attributed to better supply of the organic C and energy required by heterotrophs, consequently, more and efficient establishment of PGPR producing better results.…”

Section: Discussionmentioning

confidence: 99%

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Integrated use of Rhizobium leguminosarum, Plant Growth Promoting Rhizobacteria and Enriched Compost for Improving Growth, Nodulation and Yield of Lentil (Lens culinaris Medik.)

Iqbal

Khalid

Shahzad

et al. 2012

Chilean J. Agric. Res.

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Maintenance of high bacterial population in the rhizosphere improves the efficiency of these organisms. This high bacterial population can be maintained by the application of enriched compost which supports their growth and activities. Thus integrated use of Rhizobium, plant growth promoting rhizobacteria (PGPR) containing 1-aminocyclopropane-1-carboxylate deaminase (ACC-deaminase) and P-enriched compost (PEC) could be highly effective for promoting growth, nodulation, and yield of lentil (Lens culinaris Medik.). A field study was conducted to evaluate the potential of Rhizobium, PGPR containing ACC-deaminase and PEC for promoting growth of lentil. For this study, the soil type was sandy clay loam soil having pH 7.6; EC (electrical conductivity) 2.8 dS m -1 ; organic matter (OM) 0.59%; total N 0.032%; available P 7.9 mg kg -1 , and extractable K 129 mg kg -1 . Treatments were replicated thrice, using randomized complete block (RCB) design. Results showed that the integrated use of R. leguminosarum with Pseudomonas spp. containing ACC-deaminase along with PEC was highly effective and caused up to 73.5, 73.9, 74.4, 67.5, 73.3, 65.8, 40.5, and 52.5% increase in fresh biomass, grain yield, straw yield, pods plant -1 , nodule plant -1 , nodule dry weight plant -1 , 1000-grain weight, and N content in grain of lentil, respectively, as compared to respective control. It is concluded that integrated use of R. leguminosarum with Pseudomonas spp. having trait ACC-deaminase plus PEC would be an effective approach for better nodulation which consequently improved yield of lentil under natural conditions.

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Section: Discussionmentioning

confidence: 99%

“…Moreover, maintenance of high bacterial population in the rhizosphere improves the efficiency of these organisms (Cheuk et al, 2003;Ahmad et al, 2008a;2008b). This high bacterial population can be maintained by the application of enriched compost which supports their growth and activities (Cheuk et al, 2003).…”

mentioning

confidence: 99%

Integrated use of Rhizobium leguminosarum, Plant Growth Promoting Rhizobacteria and Enriched Compost for Improving Growth, Nodulation and Yield of Lentil (Lens culinaris Medik.)

Iqbal

Khalid

Shahzad

et al. 2012

Chilean J. Agric. Res.

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“…Bio-organic fertilizer is organic composts from organic wastes (farm waste, city waste, poultry litter and industrial wastes) blended with living cells of beneficial microorganisms (Kramany et al, 2007;Ahmad et al, 2008;Luo et al, 2010;Naveed et al, 2015). The microorganisms could increase the uptake of soil nutrients by plants (Ahmad et al, 2008), improve soil microbial community and activities (Ding et al, 2013); and/or inhibit soil borne pathogens (Luo et al, 2010;Ding et al, 2013), thus enhancing plant growth and yields (Naveed et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…The microorganisms could increase the uptake of soil nutrients by plants (Ahmad et al, 2008), improve soil microbial community and activities (Ding et al, 2013); and/or inhibit soil borne pathogens (Luo et al, 2010;Ding et al, 2013), thus enhancing plant growth and yields (Naveed et al, 2015). Srivastava and Govil (2007) found that biofertilizers significantly enhanced vegetative growth and improved floral characters of gladiolus cv.…”

Section: Introductionmentioning

confidence: 99%

Bio-organic Fertilizer Promotes Plant Growth and Yield and Improves Soil Microbial Community in Continuous Monoculture System of Chrysanthemum morifolium cv. Chuju

Wang¹,

Li²,

Su-zhi³

et al. 2017

IJAB

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. Bio-organic fertilizer promotes plant growth and yield and improves soil microbial community in continuous monoculture system of Chrysanthemum morifolium cv. Chuju. AbstractChuju, a cultivar of Chrysanthemum morifolium, has been growing for both drink and medicinal uses for hundreds of years in China. In recent years, however, continuous monoculture of Chuju has caused declines in growth and yields. In this study, we investigated the plant growth and yields, soil microbial community composition dynamics, and the improvements of bio-organic fertilizer on plant growth and yield in Chuju continuous cropping systems. Results showed that the yield of Chuju flowers was decreased by 11-37%, but Fusarium oxysporum and total fungus populations were respectively increased by 34-79% and 53-107% in soils continuously monocultured with Chuju for two to four years, as compared to those for one year. Bio-organic fertilizer significantly reduced F. oxysporum population and the ratio of F. oxysporum to total fungus population, but enhanced shoot biomass, flower diameter, and flower yields, in comparison with synthetic fertilizer. These results indicate that bio-organic fertilizer could be used to alleviate soil problems and to sustain crop production in continuous cropping systems of Chuju.

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“…with Rhizobium in mung bean (Vigna radiata), resulting in significantly higher nodulation and plant growth. Additionally, Rodelas et al (1999) using Azospirillum-Rhizobium andAhmad et al (2008) using the bio-consortium Rhizobium-Pseudomonas, found that such associations could induce superior growth promoting effects than the independent strains.…”

Section: Effect Of Rhizobacteria Inoculation In Vivo On Lettuce Earlymentioning

confidence: 99%

Rhizobacteria Pseudomonas fluorescens and Azospirillum sp. association enhances growth of Lactuca sativa L. under tropical conditions

Aponte

Castillo

Cabrera

et al. 2017

j. cent. eur. agric.

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The selection of microorganisms that enhance plant growth and confer biotic and abiotic tolerance to crops constitutes a biotechnology currently gaining importance on a global scale. The aim of this investigation was to evaluate the effects of inoculating rhizobacteria to lettuce (Lactuca sativa L.) on seed germination and vegetative development in order to use isolates as potential biofertilizers under tropical conditions. Five isolates of Pseudomonas fluorescens (Pf) and one of Azospirillum sp. (Az) were inoculated to seeds using a bacterial suspension of 1.5*10 8 CFU*mL -1 . In vitro, none of the isolates promoted germination. In vivo, isolates promoted growth and acted as stress alleviators by conferring tolerance to high temperatures (≥ 30 °C). The highest seedling emergence percentages were induced by the association of P.fluorescens with Azospirillum. This association also promoted the highest leaf-area in 25 d seedlings and exhibited a significantly higher dry-weight in 40 d plants compared to the control (P≤0.05) supporting the advantages of bio-consortiums over individual strains. The strains were able to produce dependent L-tryptophan indole-3-acetic acid (IAA), to solubilize phosphorous in vitro and tolerated at least 5%-salt stress. The results indicate that isolate Pf (26) and Az possess plant growth promoting rhizobacteria (PGPR) traits and should be further assessed. This study suggests that P. fluorescens and Azospirillum act synergically and are able to trigger an induced-tolerance mechanism in lettuce under abiotic stress.

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Effectiveness of Organic-/Bio-Fertilizer Supplemented with Chemical Fertilizers for Improving Soil Water Retention, Aggregate Stability, Growth and Nutrient Uptake of Maize(Zea maysL.)

Cited by 57 publications

References 18 publications

Integrated use of Rhizobium leguminosarum, Plant Growth Promoting Rhizobacteria and Enriched Compost for Improving Growth, Nodulation and Yield of Lentil (Lens culinaris Medik.)

Integrated use of Rhizobium leguminosarum, Plant Growth Promoting Rhizobacteria and Enriched Compost for Improving Growth, Nodulation and Yield of Lentil (Lens culinaris Medik.)

Bio-organic Fertilizer Promotes Plant Growth and Yield and Improves Soil Microbial Community in Continuous Monoculture System of Chrysanthemum morifolium cv. Chuju

Rhizobacteria Pseudomonas fluorescens and Azospirillum sp. association enhances growth of Lactuca sativa L. under tropical conditions

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