Climate, nitrogen and grass. 3. Some effects of light intensity on nitrogen metabolism.

Authors

  • B. Deinum

DOI:

https://doi.org/10.18174/njas.v19i3.17313

Abstract

Between 18 May and 29 June 1966, a 2-year-old sward of perennial ryegrass was grown at normal (390), low (88) or high (711 cal/cm2 day) light intensity and given 20-160, 40-320 and 80-360 kg N/ha at the 3 light intensities, respectively. At low rates of N, high light intensity exhausted the nitrate reserves of perennial ryegrass, diminished the CP content, but greatly increased the percentage of water-soluble carbohydrates. With high N, high light intensity decreased nitrate content but increased both CP and water-soluble-carbohhdrate content. (Abstract retrieved from CAB Abstracts by CABI’s permission)

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Published

1971-08-01

Issue

Vol. 19 No. 3 (1971)

Section

Papers

License

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