Presenter Information

F Plhak, OSEVA

Publication Date

1989

Description

Beside crude fibre and protein, the photosynthetic products - nonstructural carbohydrates - are further important substances of digestible dry matter in lucerne fodder. They par­ticipate in dry matter by 15 %. In contrast to crude fibre and protein, the content of photosynthates changes expressively during the day (Plhak, 1984). The changes reach in leaves by 20 %, in stems 5 % of dry matter. The changes depend on the length and intensity ofsolar irradiance (Plhak, 1981) and cause specific weight alteration of leaves (Chatterton et al., 1972). Such variations in photosynthates content can cause some changes in dry matter digestibility of lucerne during the day.

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Differences in Nutritive Value of Lecerne Cut in Morning and Afternoon Hours

Beside crude fibre and protein, the photosynthetic products - nonstructural carbohydrates - are further important substances of digestible dry matter in lucerne fodder. They par­ticipate in dry matter by 15 %. In contrast to crude fibre and protein, the content of photosynthates changes expressively during the day (Plhak, 1984). The changes reach in leaves by 20 %, in stems 5 % of dry matter. The changes depend on the length and intensity ofsolar irradiance (Plhak, 1981) and cause specific weight alteration of leaves (Chatterton et al., 1972). Such variations in photosynthates content can cause some changes in dry matter digestibility of lucerne during the day.