Influence of different nitrogen sources and levels on ion content of cabbage (<i>Brassica oleracea</i>var.<i>capitate</i>)

Turan, Metin; Sevimli, Figen

doi:10.1080/01140671.2005.9514356

Cited by 30 publications

(23 citation statements)

References 39 publications

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“…However, the differences in water uptake cannot fully explain the differences in local velocity of Cd transport (3.7-fold) and the differences in Cd distribution between these two N treatments. Comparatively, it is suggested that unlike NH 4 + which is mainly assimilated or stored in the roots, NO 3 -is translocated as a hydrated anion in the xylem where cationic charges are required for charge balance (Monsant et al 2010 (Arnozis and Findenegg 1986;Turan and Sevimli 2005). This is consistent with our results showing that concentrations of the cations Ca and K in the xylem sap increased but the anion P was inhibited in the NO 3 -treatment compared with the NH 4 + treatment (Table 1).…”

Section: Translocation From Root To Shootsupporting

confidence: 91%

Nitrate facilitates cadmium uptake, transport and accumulation in the hyperaccumulator Sedum plumbizincicola

Yin

Ishikawa

et al. 2013

Environ Sci Pollut Res

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The aims of this study are to investigate whether and how the nitrogen form (nitrate (NO 3 -) versus ammonium (NH 4 + )) influences cadmium (Cd) uptake and translocation and subsequent Cd phytoextraction by the hyperaccumulator species Sedum plumbizincicola. Plants were grown hydroponically with N supplied as either NO 3 -or NH 4 + . Short-term (36 h) Cd uptake and translocation were determined innovatively and quantitatively using a positron-emitting 107 Cd tracer and positron-emitting tracer imaging system. The results show that the rates of Cd uptake by roots and transport to the shoots in the NO 3 -treatment were more rapid than in the -promoted the major steps in the transport route followed by Cd from solution to shoots in S. plumbizincicola, namely its uptake by roots, xylem loading, root-to-shoot translocation in the xylem and uploading to the leaves. S. plumbizincicola prefers NO 3 -nutrition to NH 4 + for Cd phytoextraction.

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Section: Translocation From Root To Shootsupporting

confidence: 91%

Nitrate facilitates cadmium uptake, transport and accumulation in the hyperaccumulator Sedum plumbizincicola

Yin

Ishikawa

et al. 2013

Environ Sci Pollut Res

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“…Similarly 0.8% foliar urea application caused a significantly increased yield in AG 3324 with 37 422 in . However, in 2004and 2005 there was no significant difference between 0.8% and 1.0% applications. While 0.8 and 1.0% urea applica- Control 1 = no fertilizer, Control 2 = 275 kg N/ha; z numbers with the same letters are not statistically different according to the Duncan's Multiple Range Test (P < 0.05); n.s.…”

Section: Yieldmentioning

confidence: 76%

“…The greatest N content in heads of both cultivars was obtained from 1.0% urea application. Turan and Sevimli (2005) reported that the nitrogen amount equalling to 1.0% urea application rate could not present a health risk for human nutrition with regard to NO 3 (1650 mg/plant) content in cabbage. Different urea applications increased the P content in heads of both cultivars in all experiment years.…”

Section: Nutrient Contentmentioning

confidence: 99%

Effect of foliar urea application on quality, growth, mineral uptake and yield of broccoli (Brassica oleracea L., var. italica)

Yıldırım¹,

Güvenç²,

Turan³

et al. 2007

PLANT SOIL ENVIRON

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The objective of this study was to determine the effect of foliar urea applications on quality, growth, mineral content and yield of broccoli under field conditions in 2003, 2004 and 2005. Broccoli cultivars AG 3317 and AG 3324 were treated with foliar urea applications at different concentrations (0.0, 0.4, 0.8 and 1.0%). Foliar applications of urea, especially 0.8 and 1.0% resulted in larger heads, weightier heads and plants as well as higher plants. Conversely, the greatest head and leaf dry matter contents were obtained with no fertilizer-nitrogen application. SPAD chlorophyll readings that were measured in the third year increased with elevated urea concentrations. In regard to the nutrient content, it can be interfered that soil nitrogen fertilization and foliar urea applications increased the content of almost all nutrients in leaves and heads of both broccoli cultivars in three experiment years. Generally, the greatest values were obtained from 1.0% urea application for both cultivars. It results from the study that for optimum yields 0.61 and 0.96% concentrations of urea sprays could be successfully used to obtain better growth and yield in broccoli cultivars AG 3317 and AG 3324, respectively.

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“…As these reports showed the negative impacts of deficient irrigation over the whole cultivation period, the results of our experiment may be the first report revealing the extent this deficiency can have on cabbage growth just after transplanting. It is also known that increased nitrogen application results in higher cabbage yields (Everaarts & De Moel 1998, Freyman et al 1991, Turan & Sevimli, 2005. Freyman et al (1991) demonstrated this fact in the field using up to 500 kg·ha -1 of urea.…”

Section: Discussionmentioning

confidence: 87%

“…This nitrogen ratio is considered equivalent to the N 3 treatment in this experiment. Although we used ammonium nitrate as the nitrogen source, Turan & Sevimli (2005) showed that both ammonium nitrate and urea have positive effects on cabbage yield. Collectively, as long as the moisture is sufficient for cabbages, the TDW of the plants just after transplanting increases with the amount of nitrogen applied, at least up to the N 3 level, and this amount of nitrogen is unlikely to have a negative effect on later growth.…”

Section: Discussionmentioning

confidence: 99%

Effect of Moisture, Nitrogen and Phosphate on Initial Growth and Shoot:Root Ratio of Cabbages Following Transplantation

Takahashi

Yanai

Sasaki

2017

JARQ

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Cabbage transplants (Brassica oleracea var. capitata) nursed in cell trays are often unable to absorb sufficient soil moisture after field transplantation. To determine the optimal soil conditions necessary to enable transplants to adjust smoothly, we transplanted cabbage seedlings to pots containing soil of varying moisture and nutrient content. Plants in the moist experimental group (less than 1.7 pF-value) with fertilizer (200 mg N·L -1 ) showed an exponential increase in shoot dry weight (SDW). Observations revealed that plants in the dry group (2.8 pF-value), plants in the moist group (1.7 pFvalue) without fertilizer, and plants in the relatively dry (2.4 pF-value) group with fertilizer showed significantly (P < 0.01) lower SDW at 6, 9, and 12 days, respectively, after transplanting as compared with the highest growth achieved. The nutrient levels of 80, 200, and 500 mg N·L -1 , and 300, 1000, and 3000 mg P 2 O 5 ·L -1 were also examined. Moisture and nitrogen levels had major impacts on total dry weight (TDW). It was also revealed that deficiency in either moisture or nitrogen restricted plant growth. For the less than 1.5 pF-value experimental group, the low nitrogen content tended to increase the root portion of TDW. To promote the growth of cabbage transplants in moist soil, it is important to keep the shoot portion of TDW high with sufficient nitrogen fertilizer.

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Influence of different nitrogen sources and levels on ion content of cabbage (Brassica oleraceavar.capitate)

Cited by 30 publications

References 39 publications

Nitrate facilitates cadmium uptake, transport and accumulation in the hyperaccumulator Sedum plumbizincicola

Nitrate facilitates cadmium uptake, transport and accumulation in the hyperaccumulator Sedum plumbizincicola

Effect of foliar urea application on quality, growth, mineral uptake and yield of broccoli (Brassica oleracea L., var. italica)

Effect of Moisture, Nitrogen and Phosphate on Initial Growth and Shoot:Root Ratio of Cabbages Following Transplantation

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