1979
DOI: 10.1080/00288233.1979.10430754
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Ionic balance and composition of perennial ryegrass (Lolium perenneL.) as influenced by nitrogen and sulphur fertilisation

Abstract: Perennial ryegrass (Lotium perenne L. cv. 'Grasslands Ruanui') plants were grown in a sulphur-responsive soil in a glasshouse with five rates of fertiliser nitrogen (N) Ca (N0 3 ) 2.4H 2 0) and three rates of sulphur (S) (CaS04.2H 2 0). Compared with control, N fertilisation significantly increased sodium (Na) concentration in both tops and roots, but decreased potassium (K) concentration. However, S fertilisation increased K but decreased Na content of tops only at low N levels. The effect on roots was not co… Show more

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Cited by 4 publications
(2 citation statements)
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“…In all the plant organs analysed, the highest values of both cations and anions were obtained in leaves, followed by the stubble and the roots of the plants. The contents of the ions are in the same range as found in other experiments with the same species (Van Tuil 1965, Goh et al 1979. As for the cations, the gain of NH4 per unit biomass was very small throughout.…”
Section: Resultssupporting
confidence: 81%
“…In all the plant organs analysed, the highest values of both cations and anions were obtained in leaves, followed by the stubble and the roots of the plants. The contents of the ions are in the same range as found in other experiments with the same species (Van Tuil 1965, Goh et al 1979. As for the cations, the gain of NH4 per unit biomass was very small throughout.…”
Section: Resultssupporting
confidence: 81%
“…In New Zealand pastoral systems the most common species are perennial ryegrass and white clover. Apart from the value reported by Goh et al (1979), the EC content of ryegrass, receiving between 0 and 200 kg N/ha as either NH4 + or urea, varied between (Table 3). Since urea is the most common form of N fertiliser used and rates greater than 200 kg N/ha are uncommon in New Zealand, the EC content of ryegrass was assumed to be 0.44 mol c /kg DM.…”
Section: )mentioning
confidence: 83%