The influence of nitrogen fertilizers on nitrate accumulation in leaves of orange Washington Navel

Lominadze, Shota; Nakashidze, Nunu

doi:10.1016/j.aasci.2016.07.008

Cited by 10 publications

(5 citation statements)

References 1 publication

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“…The content of nitrogen in plants largely depends on the species [75,76]. According to Kabata-Pendias [31], the average nitrogen content in plants is 0.5–4%.…”

Section: Discussionmentioning

confidence: 99%

How does the content of nutrients in soil affect the health status of trees in city parks?

Kleiber¹,

Krzyżaniak²,

Świerk³

et al. 2019

PLoS ONE

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Trees have multi-aspect influence on the microclimate in urbanised areas. Therefore, it is important to investigate the biotic and abiotic factors affecting their health. The aim of the conducted study was to assess the chemical composition of soils and the nutritional status of lime and horse chestnut trees in selected sites and the influence of these factors on the condition and health of these tree species in urbanised areas. The research was conducted on selected trees (n = 643) growing in different parts of the city. The soils and plants were analysed for the content of macro- and microelements, sodium and heavy metals. A canonical variation analysis (CVA)–the canonical variant of Fisher's linear discriminant analysis (LDA) was used to construct the model. The CVA enabled the creation of 4 CCA models. The research showed that in general, the soil in all the sites of lime and horse chestnut trees was alkalised–at the same time it was characterised by low salinity. Despite the alkaline soil the statistical analysis showed a positive correlation between the content of manganese in the lime leaves and the deterioration of their health. In spite of that due to the satisfactory health status and condition of trees in most locations temporary guide values of nutrients were proposed for trees growing in urbanised areas. The following temporary guide values of nutrients were proposed for the horse chestnut trees (% d. m.): N 2.38%-4.71%, P 0.24%-0.46%, K 1.13%-2.31%, Ca 1.05%-2.12%, Mg 0.16%-0.42%, S 0.12%-0.23%; Fe 89.8–198.8, Zn 17.6–33.1, Cu 7.36–19.61 (mg kg-1 d. m.). The following temporary guide values were proposed for the small-leaved lime-trees (% d. m.): N 2.45%-3.22%, P 0.27%-0.42%, K 1.52%-2.86%, Ca 1.43%-2.02%, Mg 0.19%-0.35%, S 0.19%-0.25%; Fe 137.6–174.3, Zn 20.2–23.8, Cu 8.36–9.79 (mg kg-1 d. m.).

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“…The content of nitrogen in plants largely depends on the species [75,76]. According to Kabata-Pendias [31], the average nitrogen content in plants is 0.5–4%.…”

Section: Discussionmentioning

confidence: 99%

How does the content of nutrients in soil affect the health status of trees in city parks?

Kleiber¹,

Krzyżaniak²,

Świerk³

et al. 2019

PLoS ONE

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show abstract

“…As the weight of plant roots and leaves and the content of chlorophylls depend considerably on the doses of N (Marschner, 2005), and also the chlorophylls content depends significantly on the N application rates and nitrogen content in the plant (Hallik et al, 2009;Gholizadeh et al, 2017), it is evident that the presented dependences (Table 8) affirm the impact of N nutrition on the vegetable quality, which is usually negative. Along with an increase of the N in content in soil, the formation of phytomass and the quantity of nitrates is increased in it, akin to the quantity of vitamin C decreases (Chessin and Hicks, 1987;Lominadze and Nakashidze, 2016).…”

Section: Interdependences Between the Measured Parametersmentioning

confidence: 99%

Parameters of radish phytomass (Raphanus sativus L.) determined by vermicompost and earthworms (Eisenia fetida)

Kováčik

Olšovská

Smoleń

et al. 2021

Folia Horticulturae

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In 2-year outdoor pots experiment, which was realised in the vegetation cage situated in the campus of Slovak University of Agriculture in Nitra, both the impact of different doses of vermicompost (Vc) (0%, 10%, 20%, 25% and 50%) and the number of earthworms (EW) (0, 10 and 20 individuals/pot) in the soil substrate were studied on the quantitative and qualitative parameters of radish yield. The achieved results show that along with the increasing quantity of Vc, the total chlorophyll content also increased proportionally. The content of vitamin C declined and the content of nitrates increased in both the aboveground and underground biomass. The weight of the roots and leaves of radish increased until the content of Vc in the substrate did not exceed 20%. Vermicompost abundance >20% led to the decline of root and leaf biomass formation. The root yield and leaf biomass were higher in the presence of 50% Vc content in the substrate, compared with the control. The EW had mostly a negative impact on radish phytomass formation, particularly both weight and root diameter. The highest percentage of roots weight decline cultivated in the treatment with EW were obtained with the least dose of Vc (10%), thereby the least quantity of fodder for the EW. The impact of EW on the total chlorophyll, vitamin C and nitrates contents in roots and leaves was non-significant. The number of EW did not influence the root diameter and content of vitamin C; however, it affected the root weight.

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“…Higher nitrogen content in leaves was noted in LYO orchards ranging from 1.51 to 1.96 per cent, with average N content of 1.73 per cent, as compared to 1.4 per cent in HYO (Table 5). This may be attributed to N application rate and its higher availability in soils that might have resulted in higher accumulation in succulent leaves at flowering stage (Lominadze et al, 2016, Kolekar et al, 2018. Significantly higher P mean concentration of 0.21 per cent was recorded in HYO with a range of 0.14-0.29 % as compared to LYO (0.15 %) (Table 5).…”

Section: Pomegranate Major Leaf Nutrient Concentration (N P and K) In Low And High Yielding Orchardsmentioning

confidence: 99%

“…Amongst the primary nutrients, soil N, P and K are positively correlated with plant N, P and K (r= 0.31, 0.2 and 0.34 respectively) (Table 5). Higher availability of nutrients in soil might have resulted in its higher accumulation in the succulent leaves at flowering (Lominadze et al, 2016, Kolekar et al, 2018.…”

Section: Correlations Among Soil and Leaf Nutrient Contents With Pomegranate Yieldmentioning

confidence: 99%

A Survey Study to Assess Soil and Leaf Major Nutrient Status in Relation to Pomegranate Yield

Anusree¹,

Suma²,

Nagaraja³

et al. 2018

Int.J.Curr.Microbiol.App.Sci

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The influence of nitrogen fertilizers on nitrate accumulation in leaves of orange Washington Navel

Cited by 10 publications

References 1 publication

How does the content of nutrients in soil affect the health status of trees in city parks?

How does the content of nutrients in soil affect the health status of trees in city parks?

Parameters of radish phytomass (Raphanus sativus L.) determined by vermicompost and earthworms (Eisenia fetida)

A Survey Study to Assess Soil and Leaf Major Nutrient Status in Relation to Pomegranate Yield

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