Some aspects of relation between nitrogen metabolism inPisum sativum and mineral nutrition

Klein, H.; Jäger, Hans‐Jürgen

doi:10.1007/bf02107154

Cited by 6 publications

(2 citation statements)

References 32 publications

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“…The toxic effects of a high ammonium supply are often evident from the much lower yield and protein content and the increase in amino acid and ammonium concentration of the plants grown with ammonium as sole N source (Klein and Jager, 1978). High illumination levels and good aeration of the roots are known to be necessary to allow ammonium-grown barley plants to perform as well as those cultivated on nitrate, and also to avoid toxic effects (Givan, 1979).…”

Section: Introductionmentioning

confidence: 99%

Nitrate and ammonium accumulation in bermudagrass in relation to nitrogen fertilization and season

Bergareche

Simón

1989

Plant Soil

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Seasonal changes in nitrate and ammonium concentrations were studied in Cynodon dactylon (L.) Pers.plants grown for one year in the field in a Mediterranean area. Plants cultivated in a sandy loam soil were fertilized with nitrate-N or ammonium-N at two application rates (250 and 1000 kg N ha-~ year ~) and compared to controls with no added N. Plots were harvested every three weeks from May to November. Shoots were separated into leaves and stems and analyses carried out in both fractions.Nitrogen applications generally led to elevated nitrate concentrations both in leaves and stems at all sampling dates but had little influence on the ammonium concentrations of the tissues.Higher nitrate and ammonium concentrations were found in stems than in leaves, although no levels higher than 0.22% NO~-N and 0.10% NH~--N were detected in either fraction. Nitrate tended to accumulate mostly in autumn and spring whereas low accumulations were found in summer. Ammonium showed both in leaves and stems a progressive but limited accumulation throughout the period with a peak in October, followed by a strong decrease in November.

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Section: Introductionmentioning

confidence: 99%

Nitrate and ammonium accumulation in bermudagrass in relation to nitrogen fertilization and season

Bergareche

Simón

1989

Plant Soil

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“…compared with 15 meq NO3-, by Klein and Jager (1978) for peas treated with 6 meq NHo* , and by Pill et al (1978) on NHo+-N-treated plants. The toxicity symptoms reported for white beans in this study were similar to those described for pole beans (Barker et al l966a,b) and snapbeans (Maynard and Barker 1969).…”

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confidence: 93%

Responses of White Bean to Ammonium or Nitrate Nutrition at Three Temperatures

Macleod¹,

Ormrod²

1985

Can. J. Plant Sci.

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sand to ammonium (NH.*) or nitrate (NOr-) N source was investigated in controlled environments at27"lll", l9olll" and. lgol'loC day/night temperatures. Ammoniumtreated plants developed leaf chlorosis and necrosis. The pH of leachate from the rooting medium dropped from an initial level of 6.0 to values of 3.5-3.9 for NHo*-treated plants, while the pH increased to about 6.5 for NOr--treated plants. The NOr--treated plants had much greater growth overall than NHo*-treated plants. Temperature had little or no effect on plant responses to N source. The NOr--treated plants contained higher NO.-and Ca but lower total N, NHn* and P than NHo*-treated plants.Key words: Temperature, ammonium, nitrate, white bean, navy bean, phytotoxicity [R6action du haricot blanc i I'ammonium ou au nitrate i trois temp6ratures.]

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Influence of ammonium: nitrate ratio and solution pH on mycorrhizal infection, growth and nutrient composition ofChrysanthemum morifolium var. Circus

1984

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Some aspects of relation between nitrogen metabolism inPisum sativum and mineral nutrition

Cited by 6 publications

References 32 publications

Nitrate and ammonium accumulation in bermudagrass in relation to nitrogen fertilization and season

Nitrate and ammonium accumulation in bermudagrass in relation to nitrogen fertilization and season

Responses of White Bean to Ammonium or Nitrate Nutrition at Three Temperatures

Influence of ammonium: nitrate ratio and solution pH on mycorrhizal infection, growth and nutrient composition ofChrysanthemum morifolium var. Circus

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