Influence of Green Algae Chlorella vulgaris on Infested with Xiphinema index Grape Seedlings

“…In Bulgaria and Macedonia, there are examples of novel methods being investigated concerning the effect of the organic fertilizers (Lumbricompost, Humustim, Humusil, Chlorella vulgaris, etc. ) used to improve growth and productivity of different crops and to manage soil health (Panayotov et al, 2004;Bileva and Babrikov, 2007;Bileva et al, , 2009Bileva, 2013;Petkova and Poryazov, 2007;Haytova, 2009Haytova, , 2013Dincheva et al, 2009;Stojanova et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Organic matter fractions and N mineralization in vegetable‐cropped sandy soils

Jegajeevagan

Sleutel

Ameloot

et al. 2013

Soil Use and Management

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Soil organic nitrogen mineralization rates and possible predictors thereof were investigated for vegetable‐growing soils in Belgium. Soil organic matter (SOM) was fractionated into sand (> 53 μm) and silt+clay (< 53 μm) fractions. The latter fraction was further separated into 6%NaOCl‐oxidation labile (6%NaOCl‐ox) and resistant N and C and subsequently into 10%HF‐extractable (mineral bound) and resistant (recalcitrant) N and C. The N mineralization turnover rate (% of soil N/year) correlated with several of the investigated N or C fractions and stepwise linear regression confirmed that the 6%NaOCl‐ox N was the best predictor. However, the small R² (0.42) of the regression model suggests that soil parameters other than the soil fractions isolated here would be required to explain the significant residual variation in N mineralization rate. A next step could be to look for alternative SOM fractionations capable of isolating bioavailable N. However, it would appear that the observed relationships between N fractions and N mineralization may not be causal but indirect. The number of vegetable crops per rotation did not influence N mineralization, but it did influence 6%NaOCl‐ox N, probably as an effect of differences in crop residues returned and organic manure supply. However, the nature of this relation between management, SOM quality and N mineralization is not clear. Explanation of correlations between N mineralization and presumed bioavailable N fractions, like the 6%NaOCl‐ox N, requires further mechanistic elucidation of the N mineralization process.

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“…Idem et al [24] showed that combined NPK and poultry manure increased number of leaves per plant, vine length, branches, and pod yield of fluted pumpkin. Beliva [33] reported that inoculation of Chlorella vulgaris on grape seedling spositively affected its height, root length, fresh weight of leaves and root another study, seeds inoculated with free living nitrogen fixing bacteria, phosphate solubilizing bacteria and organic fertilizer resulted in maximum seed yield, oil yield and fruit yield [14].…”

Section: Discussionmentioning

confidence: 99%

Growth Promotion of <i>Telfairia occidentalis</i> by Application of <i>Chlorella vulgaris</i> (Bioinoculant) Colonized Seeds and Soil under Tropical Field Conditions

Agwa¹,

Ogugbue²,

Williams³

2018

AJPS

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The application of fertilizer is an essential factor for improving plant growth.This study was carried out to investigate the effect of Chlorella vulgaris (bio-fertilizer), NPK and poultry manure on the microbiological, biometric and biochemical properties of Telfairia occidentalis and its rhizosphere soil after forty days of planting. There were significant changes in the microbiological and physicochemical characteristics of soil in the various treatments administered. Maximum bacterial and fungal counts of 2.6 × 10 10 and 3.8 × 10 5 cfu/g were obtained in soil treated with poultry manure and Chlorella vulgaris respectively whereas; maximum nitrogen (0.85%) and potassium (13.6 mg/ml) contents were obtained in NPK treated soil. Soil amended with Chlorella vulgaris showed maximum organic matter (9.48%) and phosphorus (8.55 mg/ml) concentrations. The amendment of soil with Chlorella vulgaris also speeded up germination of the Telfairia occidentalis to 5 days while, maximum plant length, number of leaves and fresh weight of the fluted pumpkin were obtained in Chlorella vulgaris amended soil and seed treatment pot. Total chlorophyll, carbohydrates, proteins and lipids were also increased on application of Chlorella vulgaris to soil or seed. Generally, application of Chlorella vulgaris to either seed or soil before planting resulted in increase in plant growth characteristics. Results of this study thus suggest that Chlorella vulgaris (bio-fertilizer) is a veritable biotechnological agent for improved cultivation of Telfairia occidentalis.

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Influence of Green Algae Chlorella vulgaris on Infested with Xiphinema index Grape Seedlings

Cited by 20 publications

References 3 publications

Effect of Biostimulator Chlorella fusca on Improving Growth and Qualities of Chinese Chives and Spinach in Organic Farm

Effect of Biostimulator Chlorella fusca on Improving Growth and Qualities of Chinese Chives and Spinach in Organic Farm

Organic matter fractions and N mineralization in vegetable‐cropped sandy soils

Growth Promotion of <i>Telfairia occidentalis</i> by Application of <i>Chlorella vulgaris</i> (Bioinoculant) Colonized Seeds and Soil under Tropical Field Conditions

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Influence of Green Algae Chlorella vulgaris on Infested with Xiphinema index Grape Seedlings

Cited by 20 publications

References 3 publications

Effect of Biostimulator Chlorella fusca on Improving Growth and Qualities of Chinese Chives and Spinach in Organic Farm

Effect of Biostimulator Chlorella fusca on Improving Growth and Qualities of Chinese Chives and Spinach in Organic Farm

Organic matter fractions and N mineralization in vegetable‐cropped sandy soils

Growth Promotion of &lt;i&gt;Telfairia occidentalis&lt;/i&gt; by Application of &lt;i&gt;Chlorella vulgaris&lt;/i&gt; (Bioinoculant) Colonized Seeds and Soil under Tropical Field Conditions

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Growth Promotion of <i>Telfairia occidentalis</i> by Application of <i>Chlorella vulgaris</i> (Bioinoculant) Colonized Seeds and Soil under Tropical Field Conditions