LIGHT ATTENUATION COEFFICIENT AND PRODUCTIVITY IN ’VERNAL’ ALFALFA | Zendy

L. A. Hunt | Zendy; J. E. Winch | Zendy; C.E. Moore | Zendy

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LIGHT ATTENUATION COEFFICIENT AND PRODUCTIVITY IN ’VERNAL’ ALFALFA

Author(s) -

L. A. Hunt,

J. E. Winch,

C.E. Moore

Publication year - 1970

Publication title -

canadian journal of plant science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.338

H-Index - 59

eISSN - 1918-1833

pISSN - 0008-4220

DOI - 10.4141/cjps70-085

Subject(s) - dry matter , medicago sativa , productivity , attenuation coefficient , agronomy , attenuation , growing season , environmental science , growth rate , biology , mathematics , optics , physics , geometry , economics , macroeconomics

A field stand of ’Vernal’ alfalfa (Medicago sativa L.), cut three times during the growing season, was studied over two years. The attenuation coefficient for radiation of wavelength 300 nm to 400 nm, and the rate of dry matter accumulation, was greater in first growth than in both second and third growth. Percentage dry matter increment below ground was least during first growth.

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